mirror of
https://github.com/nlohmann/json.git
synced 2026-09-28 02:30:32 +00:00
Compare commits
| Author | SHA1 | Date | |
|---|---|---|---|
 Niels Lohmann
|
93fe62fc0b |
@@ -83,4 +83,9 @@ build_script:
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||||
- cmake --build . --config "%configuration%" --parallel 2
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test_script:
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- ctest -C "%configuration%" --parallel 2 --output-on-failure
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- if "%configuration%"=="Release" ctest -C "%configuration%" --parallel 2 --output-on-failure
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# On Debug builds, skip test-unicode_all
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# as it is extremely slow to run and cause
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# occasional timeouts on AppVeyor.
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# More info: https://github.com/nlohmann/json/pull/1570
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- if "%configuration%"=="Debug" ctest --exclude-regex "test-unicode" -C "%configuration%" --parallel 2 --output-on-failure
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@@ -174,7 +174,7 @@ jobs:
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- name: Build
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run: cmake --build build --parallel 10
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- name: Test
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run: cd build ; ctest -j 10 -C Debug --output-on-failure
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run: cd build ; ctest -j 10 -C Debug --exclude-regex "test-unicode" --output-on-failure
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clang-cl-12:
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runs-on: windows-2022
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@@ -191,7 +191,7 @@ jobs:
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- name: Build
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run: cmake --build build --config Debug --parallel 10
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- name: Test
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run: cd build ; ctest -j 10 -C Debug --output-on-failure
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run: cd build ; ctest -j 10 -C Debug --exclude-regex "test-unicode" --output-on-failure
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ci_module_cpp20:
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runs-on: windows-2022
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+6
-7
@@ -413,14 +413,13 @@ add_custom_target(ci_test_single_header
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# Valgrind.
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###############################################################################
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# The Unicode test (~17M assertions) is too slow under Valgrind.
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add_custom_target(ci_test_valgrind
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COMMAND CXX=${GCC_TOOL} ${CMAKE_COMMAND}
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-DCMAKE_BUILD_TYPE=Debug -GNinja
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-DJSON_BuildTests=ON -DJSON_Valgrind=ON
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-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_valgrind
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_valgrind
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COMMAND cd ${PROJECT_BINARY_DIR}/build_valgrind && ${CMAKE_CTEST_COMMAND} -L valgrind --exclude-regex "test-unicode" --parallel ${N} --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_valgrind && ${CMAKE_CTEST_COMMAND} -L valgrind --parallel ${N} --output-on-failure
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COMMENT "Compile and test with Valgrind"
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)
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@@ -718,7 +717,7 @@ foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6 g++-7 g++-8 g++-9 g++-10 g++-11 cla
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-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
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${ADDITIONAL_FLAGS}
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
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COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" --output-on-failure
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COMMENT "Compile and test with ${COMPILER}"
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)
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endif()
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@@ -732,7 +731,7 @@ add_custom_target(ci_test_compiler_default
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-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_default
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${ADDITIONAL_FLAGS}
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_default --parallel ${N}
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COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_default && ${CMAKE_CTEST_COMMAND} --parallel ${N} -LE git_required --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_default && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" -LE git_required --output-on-failure
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COMMENT "Compile and test with default C++ compiler"
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)
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@@ -770,7 +769,7 @@ add_custom_target(ci_icpc
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-DJSON_BuildTests=ON -DJSON_FastTests=ON
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-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_icpc
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_icpc
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COMMAND cd ${PROJECT_BINARY_DIR}/build_icpc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_icpc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" --output-on-failure
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COMMENT "Compile and test with ICPC"
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)
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@@ -781,7 +780,7 @@ add_custom_target(ci_icpx
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-DJSON_BuildTests=ON -DJSON_FastTests=ON
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-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_icpx
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_icpx
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COMMAND cd ${PROJECT_BINARY_DIR}/build_icpx && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_icpx && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" --output-on-failure
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COMMENT "Compile and test with ICPX (Intel oneAPI DPC++/C++)"
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)
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@@ -817,7 +816,7 @@ add_custom_target(ci_nvhpc
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COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_nvhpc
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# the pipes are escaped so the surrounding shell passes them to ctest verbatim
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# instead of treating them as shell pipe operators
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COMMAND cd ${PROJECT_BINARY_DIR}/build_nvhpc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-comparison_cpp20\\|test-comparison_legacy_cpp20\\|test-constructor1_cpp11\\|test-deserialization_cpp20" --output-on-failure
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COMMAND cd ${PROJECT_BINARY_DIR}/build_nvhpc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode\\|test-comparison_cpp20\\|test-comparison_legacy_cpp20\\|test-constructor1_cpp11\\|test-deserialization_cpp20" --output-on-failure
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COMMENT "Compile and test with NVIDIA HPC SDK (nvc++)"
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)
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@@ -86,6 +86,9 @@ Strong exception safety: if an exception occurs, the original value stays intact
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- Throws [`out_of_range.410`](../../home/exceptions.md#jsonexceptionout_of_range410) if an array index in the passed
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JSON pointer `ptr` exceeds the range of `size_type` (e.g., on 32-bit platforms).
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For the **const** version, an object key or array index in `ptr` that does not exist is not reported by an
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exception, but is undefined behavior (see the notes below). Use [`at`](at.md) for checked access.
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## Complexity
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1. Constant if `idx` is in the range of the array. Otherwise, linear in `idx - size()`.
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@@ -100,9 +103,12 @@ Strong exception safety: if an exception occurs, the original value stays intact
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The following cases apply to the **const** overloads; the non-const overloads instead insert the missing element
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(see the notes below).
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1. If the element at index `idx` does not exist, the behavior is undefined.
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1. If the element at index `idx` does not exist, the behavior is undefined and is **guarded by a
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[runtime assertion](../../features/assertions.md)**!
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2. If the element with key `key` does not exist, the behavior is undefined and is **guarded by a
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[runtime assertion](../../features/assertions.md)**!
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3. If the JSON pointer `ptr` refers to an object key or an array index that does not exist, the behavior is
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undefined and is **guarded by a [runtime assertion](../../features/assertions.md)**!
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1. The non-const version may add values: If `idx` is beyond the range of the array (i.e., `idx >= size()`), then the
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array is silently filled up with `#!json null` values to make `idx` a valid reference to the last stored element. In
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@@ -257,9 +263,11 @@ Strong exception safety: if an exception occurs, the original value stays intact
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## Version history
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1. Added in version 1.0.0.
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1. Added in version 1.0.0. A missing index in the const version is guarded by a runtime assertion since version
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3.13.0.
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2. Added in version 1.0.0. Added overloads for `T* key` in version 1.1.0. Removed overloads for `T* key` (replaced by 3)
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in version 3.11.0.
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3. Added in version 3.11.0. Fixed in version 3.13.0 to consistently accept `std::string_view`-convertible keys, as
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already supported by [`at`](at.md), [`value`](value.md), [`find`](find.md), and other lookup functions.
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4. Added in version 2.0.0.
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4. Added in version 2.0.0. A missing array index in the const version is guarded by a runtime assertion since
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version 3.13.0.
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@@ -16,14 +16,15 @@ before including the `json.hpp` header.
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## Function with runtime assertions
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### Unchecked object access to a const value
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### Unchecked access to a const value
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Function [`operator[]`](../api/basic_json/operator%5B%5D.md) implements unchecked access for objects. Whereas a missing
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key is added in the case of non-const objects, accessing a const object with a missing key is undefined behavior (think
|
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of a dereferenced null pointer) and yields a runtime assertion.
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||||
Function [`operator[]`](../api/basic_json/operator%5B%5D.md) implements unchecked access for arrays and objects. Whereas
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a missing element is added in the case of non-const values, accessing a const value with a missing object key or an
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invalid array index is undefined behavior (think of a dereferenced null pointer) and yields a runtime assertion. This
|
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also applies to a [JSON pointer](json_pointer.md) that refers to a missing key or an invalid index.
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If you are not sure whether an element in an object exists, use checked access with the
|
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[`at` function](../api/basic_json/at.md) or call the [`contains` function](../api/basic_json/contains.md) before.
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If you are not sure whether an element exists, use checked access with the [`at` function](../api/basic_json/at.md)
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or call the [`contains` function](../api/basic_json/contains.md) before.
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See also the documentation on [element access](element_access/index.md).
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@@ -46,7 +47,30 @@ See also the documentation on [element access](element_access/index.md).
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Output:
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```
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Assertion failed: (m_value.object->find(key) != m_value.object->end()), function operator[], file json.hpp, line 2144.
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Assertion failed: (it != m_data.m_value.object->end()), function operator[], file json.hpp, line 28795.
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```
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??? example "Example 2: Invalid array index in a JSON pointer"
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The following code will trigger an assertion at runtime:
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```cpp
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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using namespace nlohmann::literals;
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int main()
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{
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const json j = {{"array", {1, 2, 3}}};
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auto v = j["/array/5"_json_pointer];
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}
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```
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Output:
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```
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Assertion failed: (idx < m_data.m_value.array->size()), function operator[], file json.hpp, line 28758.
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```
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### Constructing from an uninitialized iterator range
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@@ -535,6 +535,10 @@ class json_pointer
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@return const reference to the JSON value pointed to by the JSON
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pointer
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@pre Every object key and array index the pointer refers to exists.
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Like the const operator[] for keys and indices, a missing one is
|
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undefined behavior, guarded by a runtime assertion.
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@throw parse_error.106 if an array index begins with '0'
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@throw parse_error.109 if an array index was not a number
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@throw out_of_range.402 if the array index '-' is used
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@@ -549,7 +553,8 @@ class json_pointer
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{
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case detail::value_t::object:
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{
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// use unchecked object access
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// use unchecked object access; the const operator[]
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// asserts that the key exists
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ptr = &ptr->operator[](reference_token);
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break;
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}
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@@ -562,7 +567,8 @@ class json_pointer
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JSON_THROW(detail::out_of_range::create(402, detail::concat("array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr));
|
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}
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||||
|
||||
// use unchecked array access
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||||
// use unchecked array access; the const operator[]
|
||||
// asserts that the index exists
|
||||
ptr = &ptr->operator[](array_index<BasicJsonType>(reference_token));
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||||
break;
|
||||
}
|
||||
|
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@@ -2866,6 +2866,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
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// const operator[] only works for arrays
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if (JSON_HEDLEY_LIKELY(is_array()))
|
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{
|
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JSON_ASSERT(idx < m_data.m_value.array->size());
|
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return m_data.m_value.array->operator[](idx);
|
||||
}
|
||||
|
||||
|
||||
@@ -19179,6 +19179,10 @@ class json_pointer
|
||||
@return const reference to the JSON value pointed to by the JSON
|
||||
pointer
|
||||
|
||||
@pre Every object key and array index the pointer refers to exists.
|
||||
Like the const operator[] for keys and indices, a missing one is
|
||||
undefined behavior, guarded by a runtime assertion.
|
||||
|
||||
@throw parse_error.106 if an array index begins with '0'
|
||||
@throw parse_error.109 if an array index was not a number
|
||||
@throw out_of_range.402 if the array index '-' is used
|
||||
@@ -19193,7 +19197,8 @@ class json_pointer
|
||||
{
|
||||
case detail::value_t::object:
|
||||
{
|
||||
// use unchecked object access
|
||||
// use unchecked object access; the const operator[]
|
||||
// asserts that the key exists
|
||||
ptr = &ptr->operator[](reference_token);
|
||||
break;
|
||||
}
|
||||
@@ -19206,7 +19211,8 @@ class json_pointer
|
||||
JSON_THROW(detail::out_of_range::create(402, detail::concat("array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr));
|
||||
}
|
||||
|
||||
// use unchecked array access
|
||||
// use unchecked array access; the const operator[]
|
||||
// asserts that the index exists
|
||||
ptr = &ptr->operator[](array_index<BasicJsonType>(reference_token));
|
||||
break;
|
||||
}
|
||||
@@ -28749,6 +28755,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
|
||||
// const operator[] only works for arrays
|
||||
if (JSON_HEDLEY_LIKELY(is_array()))
|
||||
{
|
||||
JSON_ASSERT(idx < m_data.m_value.array->size());
|
||||
return m_data.m_value.array->operator[](idx);
|
||||
}
|
||||
|
||||
|
||||
@@ -129,6 +129,9 @@ json_test_set_test_options(test-disabled_exceptions
|
||||
#$<$<CXX_COMPILER_ID:MSVC>:/EH>
|
||||
)
|
||||
|
||||
# raise timeout of expensive Unicode test
|
||||
json_test_set_test_options(test-unicode4 TEST_PROPERTIES TIMEOUT 3000)
|
||||
|
||||
#############################################################################
|
||||
# add unit tests
|
||||
#############################################################################
|
||||
|
||||
@@ -8,7 +8,6 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array> // array
|
||||
#include <cstdint> // uint8_t
|
||||
#include <cstddef> // size_t
|
||||
#include <fstream> // ifstream, istreambuf_iterator, ios
|
||||
@@ -43,33 +42,6 @@ T next_integer_sample(T i, T last, T stride)
|
||||
return n < last ? n : last;
|
||||
}
|
||||
|
||||
// UTF-8 continuation bytes in [lo, hi] that stand in for all of them in the
|
||||
// ill-formed UTF-8 tests. Both the lexer's range checks and the serializer's
|
||||
// decoder (detail::decode) only distinguish the classes 0x80..0x8F, 0x90..0x9F,
|
||||
// and 0xA0..0xBF, so the first and last byte of each class within [lo, hi]
|
||||
// exercise every behavior while a test sweeps another byte position through
|
||||
// all 256 values (#5418). Define JSON_TEST_UTF8_EXHAUSTIVE to get every byte.
|
||||
inline std::vector<int> utf8_continuation_bytes(int lo, int hi)
|
||||
{
|
||||
std::vector<int> result;
|
||||
#ifdef JSON_TEST_UTF8_EXHAUSTIVE
|
||||
for (int byte = lo; byte <= hi; ++byte)
|
||||
{
|
||||
result.push_back(byte);
|
||||
}
|
||||
#else
|
||||
static const std::array<int, 6> class_ends = {{0x80, 0x8F, 0x90, 0x9F, 0xA0, 0xBF}};
|
||||
for (const int byte : class_ends)
|
||||
{
|
||||
if (lo <= byte && byte <= hi)
|
||||
{
|
||||
result.push_back(byte);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return result;
|
||||
}
|
||||
|
||||
inline std::vector<std::uint8_t> read_binary_file(const std::string& filename)
|
||||
{
|
||||
std::ifstream file(filename, std::ios::binary);
|
||||
|
||||
@@ -14,7 +14,7 @@ using nlohmann::json;
|
||||
#include <fstream>
|
||||
#include "make_test_data_available.hpp"
|
||||
|
||||
TEST_CASE("Binary Formats")
|
||||
TEST_CASE("Binary Formats" * doctest::skip())
|
||||
{
|
||||
SECTION("canada.json")
|
||||
{
|
||||
@@ -142,6 +142,48 @@ TEST_CASE("Binary Formats")
|
||||
CHECK((100.0 * double(ubjson_3_size) / double(json_size)) == Approx(84.963));
|
||||
}
|
||||
|
||||
SECTION("jeopardy.json")
|
||||
{
|
||||
const auto* filename = TEST_DATA_DIRECTORY "/jeopardy/jeopardy.json";
|
||||
json j = json::parse(std::ifstream(filename));
|
||||
|
||||
const auto json_size = j.dump().size();
|
||||
const auto bjdata_1_size = json::to_bjdata(j).size();
|
||||
const auto bjdata_2_size = json::to_bjdata(j, true).size();
|
||||
const auto bjdata_3_size = json::to_bjdata(j, true, true).size();
|
||||
const auto bon8_size = json::to_bon8(j).size();
|
||||
const auto bson_size = json::to_bson({{"", j}}).size(); // wrap array in object for BSON
|
||||
const auto cbor_size = json::to_cbor(j).size();
|
||||
const auto msgpack_size = json::to_msgpack(j).size();
|
||||
const auto ubjson_1_size = json::to_ubjson(j).size();
|
||||
const auto ubjson_2_size = json::to_ubjson(j, true).size();
|
||||
const auto ubjson_3_size = json::to_ubjson(j, true, true).size();
|
||||
|
||||
CHECK(json_size == 52508728);
|
||||
CHECK(bjdata_1_size == 50710965);
|
||||
CHECK(bjdata_2_size == 51144830);
|
||||
CHECK(bjdata_3_size == 51144830);
|
||||
CHECK(bon8_size == 45942080);
|
||||
CHECK(bson_size == 56008520);
|
||||
CHECK(cbor_size == 46187320);
|
||||
CHECK(msgpack_size == 46158575);
|
||||
CHECK(ubjson_1_size == 50710965);
|
||||
CHECK(ubjson_2_size == 51144830);
|
||||
CHECK(ubjson_3_size == 49861422);
|
||||
|
||||
CHECK((100.0 * double(json_size) / double(json_size)) == Approx(100.0));
|
||||
CHECK((100.0 * double(bjdata_1_size) / double(json_size)) == Approx(96.576));
|
||||
CHECK((100.0 * double(bjdata_2_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(bjdata_3_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(bon8_size) / double(json_size)) == Approx(87.494));
|
||||
CHECK((100.0 * double(bson_size) / double(json_size)) == Approx(106.665));
|
||||
CHECK((100.0 * double(cbor_size) / double(json_size)) == Approx(87.961));
|
||||
CHECK((100.0 * double(msgpack_size) / double(json_size)) == Approx(87.906));
|
||||
CHECK((100.0 * double(ubjson_1_size) / double(json_size)) == Approx(96.576));
|
||||
CHECK((100.0 * double(ubjson_2_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(ubjson_3_size) / double(json_size)) == Approx(94.958));
|
||||
}
|
||||
|
||||
SECTION("sample.json")
|
||||
{
|
||||
const auto* filename = TEST_DATA_DIRECTORY "/json_testsuite/sample.json";
|
||||
@@ -182,47 +224,3 @@ TEST_CASE("Binary Formats")
|
||||
CHECK((100.0 * double(ubjson_3_size) / double(json_size)) == Approx(89.450));
|
||||
}
|
||||
}
|
||||
|
||||
// jeopardy.json is 52 MB and produces ~500 MB of serialization output, so it
|
||||
// is kept apart from the cheap corpus files above (#5418)
|
||||
TEST_CASE("Binary Formats (jeopardy.json)" * doctest::skip())
|
||||
{
|
||||
const auto* filename = TEST_DATA_DIRECTORY "/jeopardy/jeopardy.json";
|
||||
json j = json::parse(std::ifstream(filename));
|
||||
|
||||
const auto json_size = j.dump().size();
|
||||
const auto bjdata_1_size = json::to_bjdata(j).size();
|
||||
const auto bjdata_2_size = json::to_bjdata(j, true).size();
|
||||
const auto bjdata_3_size = json::to_bjdata(j, true, true).size();
|
||||
const auto bon8_size = json::to_bon8(j).size();
|
||||
const auto bson_size = json::to_bson({{"", j}}).size(); // wrap array in object for BSON
|
||||
const auto cbor_size = json::to_cbor(j).size();
|
||||
const auto msgpack_size = json::to_msgpack(j).size();
|
||||
const auto ubjson_1_size = json::to_ubjson(j).size();
|
||||
const auto ubjson_2_size = json::to_ubjson(j, true).size();
|
||||
const auto ubjson_3_size = json::to_ubjson(j, true, true).size();
|
||||
|
||||
CHECK(json_size == 52508728);
|
||||
CHECK(bjdata_1_size == 50710965);
|
||||
CHECK(bjdata_2_size == 51144830);
|
||||
CHECK(bjdata_3_size == 51144830);
|
||||
CHECK(bon8_size == 45942080);
|
||||
CHECK(bson_size == 56008520);
|
||||
CHECK(cbor_size == 46187320);
|
||||
CHECK(msgpack_size == 46158575);
|
||||
CHECK(ubjson_1_size == 50710965);
|
||||
CHECK(ubjson_2_size == 51144830);
|
||||
CHECK(ubjson_3_size == 49861422);
|
||||
|
||||
CHECK((100.0 * double(json_size) / double(json_size)) == Approx(100.0));
|
||||
CHECK((100.0 * double(bjdata_1_size) / double(json_size)) == Approx(96.576));
|
||||
CHECK((100.0 * double(bjdata_2_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(bjdata_3_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(bon8_size) / double(json_size)) == Approx(87.494));
|
||||
CHECK((100.0 * double(bson_size) / double(json_size)) == Approx(106.665));
|
||||
CHECK((100.0 * double(cbor_size) / double(json_size)) == Approx(87.961));
|
||||
CHECK((100.0 * double(msgpack_size) / double(json_size)) == Approx(87.906));
|
||||
CHECK((100.0 * double(ubjson_1_size) / double(json_size)) == Approx(96.576));
|
||||
CHECK((100.0 * double(ubjson_2_size) / double(json_size)) == Approx(97.402));
|
||||
CHECK((100.0 * double(ubjson_3_size) / double(json_size)) == Approx(94.958));
|
||||
}
|
||||
|
||||
@@ -1,99 +0,0 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
// This file contains the C++17-only part of unit-msgpack.cpp (std::byte
|
||||
// input). It is kept in a separate translation unit so the (much larger)
|
||||
// unit-msgpack.cpp does not need to be compiled and run a second time just
|
||||
// for this one test case (#5418).
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#ifdef JSON_HAS_CPP_17
|
||||
#include <cstddef>
|
||||
#include <vector>
|
||||
|
||||
// Test suite for verifying MessagePack handling with std::byte input
|
||||
TEST_CASE("MessagePack with std::byte")
|
||||
{
|
||||
|
||||
SECTION("std::byte compatibility")
|
||||
{
|
||||
SECTION("vector roundtrip")
|
||||
{
|
||||
json original =
|
||||
{
|
||||
{"name", "test"},
|
||||
{"value", 42},
|
||||
{"array", {1, 2, 3}}
|
||||
};
|
||||
|
||||
std::vector<uint8_t> temp = json::to_msgpack(original);
|
||||
// Convert the uint8_t vector to std::byte vector
|
||||
std::vector<std::byte> msgpack_data(temp.size());
|
||||
for (size_t i = 0; i < temp.size(); ++i)
|
||||
{
|
||||
msgpack_data[i] = std::byte(temp[i]);
|
||||
}
|
||||
// Deserialize from std::byte vector back to JSON
|
||||
json from_bytes;
|
||||
CHECK_NOTHROW(from_bytes = json::from_msgpack(msgpack_data));
|
||||
|
||||
CHECK(from_bytes == original);
|
||||
}
|
||||
|
||||
SECTION("empty vector")
|
||||
{
|
||||
const std::vector<std::byte> empty_data;
|
||||
CHECK_THROWS_WITH_AS([&]()
|
||||
{
|
||||
[[maybe_unused]] auto result = json::from_msgpack(empty_data);
|
||||
return true;
|
||||
}
|
||||
(),
|
||||
"[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing MessagePack value: unexpected end of input",
|
||||
json::parse_error&);
|
||||
}
|
||||
|
||||
SECTION("comparison with workaround")
|
||||
{
|
||||
json original =
|
||||
{
|
||||
{"string", "hello"},
|
||||
{"integer", 42},
|
||||
{"float", 3.14},
|
||||
{"boolean", true},
|
||||
{"null", nullptr},
|
||||
{"array", {1, 2, 3}},
|
||||
{"object", {{"key", "value"}}}
|
||||
};
|
||||
|
||||
std::vector<uint8_t> temp = json::to_msgpack(original);
|
||||
|
||||
std::vector<std::byte> msgpack_data(temp.size());
|
||||
for (size_t i = 0; i < temp.size(); ++i)
|
||||
{
|
||||
msgpack_data[i] = std::byte(temp[i]);
|
||||
}
|
||||
// Attempt direct deserialization using std::byte input
|
||||
const json direct_result = json::from_msgpack(msgpack_data);
|
||||
|
||||
// Test the workaround approach: reinterpret as unsigned char* and use iterator range
|
||||
const auto* const char_start = reinterpret_cast<unsigned char const*>(msgpack_data.data());
|
||||
const auto* const char_end = char_start + msgpack_data.size();
|
||||
json workaround_result = json::from_msgpack(char_start, char_end);
|
||||
|
||||
// Verify that the final deserialized JSON matches the original JSON
|
||||
CHECK(direct_result == workaround_result);
|
||||
CHECK(direct_result == original);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@@ -2085,6 +2085,85 @@ TEST_CASE("MessagePack roundtrips" * doctest::skip())
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef JSON_HAS_CPP_17
|
||||
// Test suite for verifying MessagePack handling with std::byte input
|
||||
TEST_CASE("MessagePack with std::byte")
|
||||
{
|
||||
|
||||
SECTION("std::byte compatibility")
|
||||
{
|
||||
SECTION("vector roundtrip")
|
||||
{
|
||||
json original =
|
||||
{
|
||||
{"name", "test"},
|
||||
{"value", 42},
|
||||
{"array", {1, 2, 3}}
|
||||
};
|
||||
|
||||
std::vector<uint8_t> temp = json::to_msgpack(original);
|
||||
// Convert the uint8_t vector to std::byte vector
|
||||
std::vector<std::byte> msgpack_data(temp.size());
|
||||
for (size_t i = 0; i < temp.size(); ++i)
|
||||
{
|
||||
msgpack_data[i] = std::byte(temp[i]);
|
||||
}
|
||||
// Deserialize from std::byte vector back to JSON
|
||||
json from_bytes;
|
||||
CHECK_NOTHROW(from_bytes = json::from_msgpack(msgpack_data));
|
||||
|
||||
CHECK(from_bytes == original);
|
||||
}
|
||||
|
||||
SECTION("empty vector")
|
||||
{
|
||||
const std::vector<std::byte> empty_data;
|
||||
CHECK_THROWS_WITH_AS([&]()
|
||||
{
|
||||
[[maybe_unused]] auto result = json::from_msgpack(empty_data);
|
||||
return true;
|
||||
}
|
||||
(),
|
||||
"[json.exception.parse_error.110] parse error at byte 1: syntax error while parsing MessagePack value: unexpected end of input",
|
||||
json::parse_error&);
|
||||
}
|
||||
|
||||
SECTION("comparison with workaround")
|
||||
{
|
||||
json original =
|
||||
{
|
||||
{"string", "hello"},
|
||||
{"integer", 42},
|
||||
{"float", 3.14},
|
||||
{"boolean", true},
|
||||
{"null", nullptr},
|
||||
{"array", {1, 2, 3}},
|
||||
{"object", {{"key", "value"}}}
|
||||
};
|
||||
|
||||
std::vector<uint8_t> temp = json::to_msgpack(original);
|
||||
|
||||
std::vector<std::byte> msgpack_data(temp.size());
|
||||
for (size_t i = 0; i < temp.size(); ++i)
|
||||
{
|
||||
msgpack_data[i] = std::byte(temp[i]);
|
||||
}
|
||||
// Attempt direct deserialization using std::byte input
|
||||
const json direct_result = json::from_msgpack(msgpack_data);
|
||||
|
||||
// Test the workaround approach: reinterpret as unsigned char* and use iterator range
|
||||
const auto* const char_start = reinterpret_cast<unsigned char const*>(msgpack_data.data());
|
||||
const auto* const char_end = char_start + msgpack_data.size();
|
||||
json workaround_result = json::from_msgpack(char_start, char_end);
|
||||
|
||||
// Verify that the final deserialized JSON matches the original JSON
|
||||
CHECK(direct_result == workaround_result);
|
||||
CHECK(direct_result == original);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// the fake sizes below do not fit into a 32-bit std::size_t
|
||||
// with clang and libstdc++ 10, the std::filesystem::path conversion that
|
||||
// C++17 builds consider for every string type is ambiguous for a class
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,623 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
// for some reason including this after the json header leads to linker errors with VS 2017...
|
||||
#include <locale>
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <iomanip>
|
||||
#include "make_test_data_available.hpp"
|
||||
#include "test_utils.hpp"
|
||||
|
||||
TEST_CASE("Unicode (1/5)" * doctest::skip())
|
||||
{
|
||||
SECTION("\\uxxxx sequences")
|
||||
{
|
||||
// create an escaped string from a code point
|
||||
const auto codepoint_to_unicode = [](std::size_t cp)
|
||||
{
|
||||
// code points are represented as a six-character sequence: a
|
||||
// reverse solidus, followed by the lowercase letter u, followed
|
||||
// by four hexadecimal digits that encode the character's code
|
||||
// point
|
||||
std::stringstream ss;
|
||||
ss << "\\u" << std::setw(4) << std::setfill('0') << std::hex << cp;
|
||||
return ss.str();
|
||||
};
|
||||
|
||||
SECTION("correct sequences")
|
||||
{
|
||||
// generate all UTF-8 code points; in total, 1112064 code points are
|
||||
// generated: 0x1FFFFF code points - 2048 invalid values between
|
||||
// 0xD800 and 0xDFFF.
|
||||
for (std::size_t cp = 0; cp <= 0x10FFFFu; ++cp)
|
||||
{
|
||||
// string to store the code point as in \uxxxx format
|
||||
std::string json_text = "\"";
|
||||
|
||||
// decide whether to use one or two \uxxxx sequences
|
||||
if (cp < 0x10000u)
|
||||
{
|
||||
// The Unicode standard permanently reserves these code point
|
||||
// values for UTF-16 encoding of the high and low surrogates, and
|
||||
// they will never be assigned a character, so there should be no
|
||||
// reason to encode them. The official Unicode standard says that
|
||||
// no UTF forms, including UTF-16, can encode these code points.
|
||||
if (cp >= 0xD800u && cp <= 0xDFFFu)
|
||||
{
|
||||
// if we would not skip these code points, we would get a
|
||||
// "missing low surrogate" exception
|
||||
continue;
|
||||
}
|
||||
|
||||
// code points in the Basic Multilingual Plane can be
|
||||
// represented with one \uxxxx sequence
|
||||
json_text += codepoint_to_unicode(cp);
|
||||
}
|
||||
else
|
||||
{
|
||||
// To escape an extended character that is not in the Basic
|
||||
// Multilingual Plane, the character is represented as a
|
||||
// 12-character sequence, encoding the UTF-16 surrogate pair
|
||||
const auto codepoint1 = 0xd800u + (((cp - 0x10000u) >> 10) & 0x3ffu);
|
||||
const auto codepoint2 = 0xdc00u + ((cp - 0x10000u) & 0x3ffu);
|
||||
json_text += codepoint_to_unicode(codepoint1) + codepoint_to_unicode(codepoint2);
|
||||
}
|
||||
|
||||
json_text += "\"";
|
||||
CAPTURE(json_text)
|
||||
json _;
|
||||
CHECK_NOTHROW(_ = json::parse(json_text));
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("incorrect sequences")
|
||||
{
|
||||
SECTION("incorrect surrogate values")
|
||||
{
|
||||
json _;
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uDC00\\uDC00\""), "[json.exception.parse_error.101] parse error at line 1, column 7: syntax error while parsing value - invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF; last read: '\"\\uDC00'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD7FF\\uDC00\""), "[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF; last read: '\"\\uD7FF\\uDC00'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD800]\""), "[json.exception.parse_error.101] parse error at line 1, column 8: syntax error while parsing value - invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD800]'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD800\\v\""), "[json.exception.parse_error.101] parse error at line 1, column 9: syntax error while parsing value - invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD800\\v'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD800\\u123\""), "[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\uD800\\u123\"'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD800\\uDBFF\""), "[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD800\\uDBFF'", json::parse_error&);
|
||||
|
||||
CHECK_THROWS_WITH_AS(_ = json::parse("\"\\uD800\\uE000\""), "[json.exception.parse_error.101] parse error at line 1, column 13: syntax error while parsing value - invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD800\\uE000'", json::parse_error&);
|
||||
}
|
||||
}
|
||||
|
||||
#if 0 // NOLINT(readability-avoid-unconditional-preprocessor-if)
|
||||
SECTION("incorrect sequences")
|
||||
{
|
||||
SECTION("high surrogate without low surrogate")
|
||||
{
|
||||
// D800..DBFF are high surrogates and must be followed by low
|
||||
// surrogates DC00..DFFF; here, nothing follows
|
||||
for (std::size_t cp = 0xD800u; cp <= 0xDBFFu; ++cp)
|
||||
{
|
||||
std::string json_text = "\"" + codepoint_to_unicode(cp) + "\"";
|
||||
CAPTURE(json_text)
|
||||
CHECK_THROWS_AS(json::parse(json_text), json::parse_error&);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("high surrogate with wrong low surrogate")
|
||||
{
|
||||
// D800..DBFF are high surrogates and must be followed by low
|
||||
// surrogates DC00..DFFF; here a different sequence follows
|
||||
for (std::size_t cp1 = 0xD800u; cp1 <= 0xDBFFu; ++cp1)
|
||||
{
|
||||
for (std::size_t cp2 = 0x0000u; cp2 <= 0xFFFFu; ++cp2)
|
||||
{
|
||||
if (0xDC00u <= cp2 && cp2 <= 0xDFFFu)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
std::string json_text = "\"" + codepoint_to_unicode(cp1) + codepoint_to_unicode(cp2) + "\"";
|
||||
CAPTURE(json_text)
|
||||
CHECK_THROWS_AS(json::parse(json_text), json::parse_error&);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("low surrogate without high surrogate")
|
||||
{
|
||||
// low surrogates DC00..DFFF must follow high surrogates; here,
|
||||
// they occur alone
|
||||
for (std::size_t cp = 0xDC00u; cp <= 0xDFFFu; ++cp)
|
||||
{
|
||||
std::string json_text = "\"" + codepoint_to_unicode(cp) + "\"";
|
||||
CAPTURE(json_text)
|
||||
CHECK_THROWS_AS(json::parse(json_text), json::parse_error&);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
SECTION("read all unicode characters")
|
||||
{
|
||||
// read a file with all Unicode characters stored as single-character
|
||||
// strings in a JSON array
|
||||
std::ifstream f(TEST_DATA_DIRECTORY "/json_nlohmann_tests/all_unicode.json");
|
||||
json j;
|
||||
CHECK_NOTHROW(f >> j);
|
||||
|
||||
// the array has 1112064 + 1 elements (a terminating "null" value)
|
||||
// Note: 1112064 = 0x1FFFFF code points - 2048 invalid values between
|
||||
// 0xD800 and 0xDFFF.
|
||||
CHECK(j.size() == 1112065);
|
||||
|
||||
SECTION("check JSON Pointers")
|
||||
{
|
||||
for (const auto& s : j)
|
||||
{
|
||||
// skip non-string JSON values
|
||||
if (!s.is_string())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
auto ptr = s.get<std::string>();
|
||||
|
||||
// tilde must be followed by 0 or 1
|
||||
if (ptr == "~")
|
||||
{
|
||||
ptr += "0";
|
||||
}
|
||||
|
||||
// JSON Pointers must begin with "/"
|
||||
ptr.insert(0, "/");
|
||||
|
||||
CHECK_NOTHROW(json::json_pointer("/" + ptr));
|
||||
|
||||
// check escape/unescape roundtrip
|
||||
auto escaped = nlohmann::detail::escape(ptr);
|
||||
nlohmann::detail::unescape(escaped);
|
||||
CHECK(escaped == ptr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ignore byte-order-mark")
|
||||
{
|
||||
SECTION("in a stream")
|
||||
{
|
||||
// read a file with a UTF-8 BOM
|
||||
std::ifstream f(TEST_DATA_DIRECTORY "/json_nlohmann_tests/bom.json");
|
||||
json j;
|
||||
CHECK_NOTHROW(f >> j);
|
||||
}
|
||||
|
||||
SECTION("with an iterator")
|
||||
{
|
||||
std::string i = "\xef\xbb\xbf{\n \"foo\": true\n}";
|
||||
json _;
|
||||
CHECK_NOTHROW(_ = json::parse(i.begin(), i.end()));
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("error for incomplete/wrong BOM")
|
||||
{
|
||||
json _;
|
||||
CHECK_THROWS_AS(_ = json::parse("\xef\xbb"), json::parse_error&);
|
||||
CHECK_THROWS_AS(_ = json::parse("\xef\xbb\xbb"), json::parse_error&);
|
||||
}
|
||||
}
|
||||
|
||||
namespace
|
||||
{
|
||||
void roundtrip(bool success_expected, const std::string& s);
|
||||
|
||||
void roundtrip(bool success_expected, const std::string& s)
|
||||
{
|
||||
CAPTURE(s)
|
||||
json _;
|
||||
|
||||
// create JSON string value
|
||||
const json j = s;
|
||||
// create JSON text
|
||||
const std::string ps = std::string("\"") + s + "\"";
|
||||
|
||||
if (success_expected)
|
||||
{
|
||||
// serialization succeeds
|
||||
// dump() is nodiscard; this only checks that dumping does not throw
|
||||
CHECK_NOTHROW(utils::ignore_return_value(j.dump()));
|
||||
|
||||
// exclude parse test for U+0000
|
||||
if (s[0] != '\0')
|
||||
{
|
||||
// parsing JSON text succeeds
|
||||
CHECK_NOTHROW(_ = json::parse(ps));
|
||||
}
|
||||
|
||||
// roundtrip succeeds
|
||||
CHECK_NOTHROW(_ = json::parse(j.dump()));
|
||||
|
||||
// after roundtrip, the same string is stored
|
||||
const json jr = json::parse(j.dump());
|
||||
CHECK(jr.get<std::string>() == s);
|
||||
}
|
||||
else
|
||||
{
|
||||
// serialization fails
|
||||
// dump() is nodiscard; the exception is thrown by dump() itself before it would return
|
||||
CHECK_THROWS_AS(utils::ignore_return_value(j.dump()), json::type_error&);
|
||||
|
||||
// parsing JSON text fails
|
||||
CHECK_THROWS_AS(_ = json::parse(ps), json::parse_error&);
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
TEST_CASE("Markus Kuhn's UTF-8 decoder capability and stress test")
|
||||
{
|
||||
// Markus Kuhn <http://www.cl.cam.ac.uk/~mgk25/> - 2015-08-28 - CC BY 4.0
|
||||
// http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
|
||||
|
||||
SECTION("1 Some correct UTF-8 text")
|
||||
{
|
||||
roundtrip(true, "κόσμε");
|
||||
}
|
||||
|
||||
SECTION("2 Boundary condition test cases")
|
||||
{
|
||||
SECTION("2.1 First possible sequence of a certain length")
|
||||
{
|
||||
// 2.1.1 1 byte (U-00000000)
|
||||
roundtrip(true, std::string("\0", 1));
|
||||
// 2.1.2 2 bytes (U-00000080)
|
||||
roundtrip(true, "\xc2\x80");
|
||||
// 2.1.3 3 bytes (U-00000800)
|
||||
roundtrip(true, "\xe0\xa0\x80");
|
||||
// 2.1.4 4 bytes (U-00010000)
|
||||
roundtrip(true, "\xf0\x90\x80\x80");
|
||||
|
||||
// 2.1.5 5 bytes (U-00200000)
|
||||
roundtrip(false, "\xF8\x88\x80\x80\x80");
|
||||
// 2.1.6 6 bytes (U-04000000)
|
||||
roundtrip(false, "\xFC\x84\x80\x80\x80\x80");
|
||||
}
|
||||
|
||||
SECTION("2.2 Last possible sequence of a certain length")
|
||||
{
|
||||
// 2.2.1 1 byte (U-0000007F)
|
||||
roundtrip(true, "\x7f");
|
||||
// 2.2.2 2 bytes (U-000007FF)
|
||||
roundtrip(true, "\xdf\xbf");
|
||||
// 2.2.3 3 bytes (U-0000FFFF)
|
||||
roundtrip(true, "\xef\xbf\xbf");
|
||||
|
||||
// 2.2.4 4 bytes (U-001FFFFF)
|
||||
roundtrip(false, "\xF7\xBF\xBF\xBF");
|
||||
// 2.2.5 5 bytes (U-03FFFFFF)
|
||||
roundtrip(false, "\xFB\xBF\xBF\xBF\xBF");
|
||||
// 2.2.6 6 bytes (U-7FFFFFFF)
|
||||
roundtrip(false, "\xFD\xBF\xBF\xBF\xBF\xBF");
|
||||
}
|
||||
|
||||
SECTION("2.3 Other boundary conditions")
|
||||
{
|
||||
// 2.3.1 U-0000D7FF = ed 9f bf
|
||||
roundtrip(true, "\xed\x9f\xbf");
|
||||
// 2.3.2 U-0000E000 = ee 80 80
|
||||
roundtrip(true, "\xee\x80\x80");
|
||||
// 2.3.3 U-0000FFFD = ef bf bd
|
||||
roundtrip(true, "\xef\xbf\xbd");
|
||||
// 2.3.4 U-0010FFFF = f4 8f bf bf
|
||||
roundtrip(true, "\xf4\x8f\xbf\xbf");
|
||||
|
||||
// 2.3.5 U-00110000 = f4 90 80 80
|
||||
roundtrip(false, "\xf4\x90\x80\x80");
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("3 Malformed sequences")
|
||||
{
|
||||
SECTION("3.1 Unexpected continuation bytes")
|
||||
{
|
||||
// Each unexpected continuation byte should be separately signalled as a
|
||||
// malformed sequence of its own.
|
||||
|
||||
// 3.1.1 First continuation byte 0x80
|
||||
roundtrip(false, "\x80");
|
||||
// 3.1.2 Last continuation byte 0xbf
|
||||
roundtrip(false, "\xbf");
|
||||
|
||||
// 3.1.3 2 continuation bytes
|
||||
roundtrip(false, "\x80\xbf");
|
||||
// 3.1.4 3 continuation bytes
|
||||
roundtrip(false, "\x80\xbf\x80");
|
||||
// 3.1.5 4 continuation bytes
|
||||
roundtrip(false, "\x80\xbf\x80\xbf");
|
||||
// 3.1.6 5 continuation bytes
|
||||
roundtrip(false, "\x80\xbf\x80\xbf\x80");
|
||||
// 3.1.7 6 continuation bytes
|
||||
roundtrip(false, "\x80\xbf\x80\xbf\x80\xbf");
|
||||
// 3.1.8 7 continuation bytes
|
||||
roundtrip(false, "\x80\xbf\x80\xbf\x80\xbf\x80");
|
||||
|
||||
// 3.1.9 Sequence of all 64 possible continuation bytes (0x80-0xbf)
|
||||
roundtrip(false, "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf");
|
||||
}
|
||||
|
||||
SECTION("3.2 Lonely start characters")
|
||||
{
|
||||
// 3.2.1 All 32 first bytes of 2-byte sequences (0xc0-0xdf)
|
||||
roundtrip(false, "\xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf");
|
||||
// 3.2.2 All 16 first bytes of 3-byte sequences (0xe0-0xef)
|
||||
roundtrip(false, "\xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef");
|
||||
// 3.2.3 All 8 first bytes of 4-byte sequences (0xf0-0xf7)
|
||||
roundtrip(false, "\xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7");
|
||||
// 3.2.4 All 4 first bytes of 5-byte sequences (0xf8-0xfb)
|
||||
roundtrip(false, "\xf8 \xf9 \xfa \xfb");
|
||||
// 3.2.5 All 2 first bytes of 6-byte sequences (0xfc-0xfd)
|
||||
roundtrip(false, "\xfc \xfd");
|
||||
}
|
||||
|
||||
SECTION("3.3 Sequences with last continuation byte missing")
|
||||
{
|
||||
// All bytes of an incomplete sequence should be signalled as a single
|
||||
// malformed sequence, i.e., you should see only a single replacement
|
||||
// character in each of the next 10 tests. (Characters as in section 2)
|
||||
|
||||
// 3.3.1 2-byte sequence with last byte missing (U+0000)
|
||||
roundtrip(false, "\xc0");
|
||||
// 3.3.2 3-byte sequence with last byte missing (U+0000)
|
||||
roundtrip(false, "\xe0\x80");
|
||||
// 3.3.3 4-byte sequence with last byte missing (U+0000)
|
||||
roundtrip(false, "\xf0\x80\x80");
|
||||
// 3.3.4 5-byte sequence with last byte missing (U+0000)
|
||||
roundtrip(false, "\xf8\x80\x80\x80");
|
||||
// 3.3.5 6-byte sequence with last byte missing (U+0000)
|
||||
roundtrip(false, "\xfc\x80\x80\x80\x80");
|
||||
// 3.3.6 2-byte sequence with last byte missing (U-000007FF)
|
||||
roundtrip(false, "\xdf");
|
||||
// 3.3.7 3-byte sequence with last byte missing (U-0000FFFF)
|
||||
roundtrip(false, "\xef\xbf");
|
||||
// 3.3.8 4-byte sequence with last byte missing (U-001FFFFF)
|
||||
roundtrip(false, "\xf7\xbf\xbf");
|
||||
// 3.3.9 5-byte sequence with last byte missing (U-03FFFFFF)
|
||||
roundtrip(false, "\xfb\xbf\xbf\xbf");
|
||||
// 3.3.10 6-byte sequence with last byte missing (U-7FFFFFFF)
|
||||
roundtrip(false, "\xfd\xbf\xbf\xbf\xbf");
|
||||
}
|
||||
|
||||
SECTION("3.4 Concatenation of incomplete sequences")
|
||||
{
|
||||
// All the 10 sequences of 3.3 concatenated, you should see 10 malformed
|
||||
// sequences being signalled:
|
||||
roundtrip(false, "\xc0\xe0\x80\xf0\x80\x80\xf8\x80\x80\x80\xfc\x80\x80\x80\x80\xdf\xef\xbf\xf7\xbf\xbf\xfb\xbf\xbf\xbf\xfd\xbf\xbf\xbf\xbf");
|
||||
}
|
||||
|
||||
SECTION("3.5 Impossible bytes")
|
||||
{
|
||||
// The following two bytes cannot appear in a correct UTF-8 string
|
||||
|
||||
// 3.5.1 fe
|
||||
roundtrip(false, "\xfe");
|
||||
// 3.5.2 ff
|
||||
roundtrip(false, "\xff");
|
||||
// 3.5.3 fe fe ff ff
|
||||
roundtrip(false, "\xfe\xfe\xff\xff");
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("4 Overlong sequences")
|
||||
{
|
||||
// The following sequences are not malformed according to the letter of
|
||||
// the Unicode 2.0 standard. However, they are longer then necessary and
|
||||
// a correct UTF-8 encoder is not allowed to produce them. A "safe UTF-8
|
||||
// decoder" should reject them just like malformed sequences for two
|
||||
// reasons: (1) It helps to debug applications if overlong sequences are
|
||||
// not treated as valid representations of characters, because this helps
|
||||
// to spot problems more quickly. (2) Overlong sequences provide
|
||||
// alternative representations of characters, that could maliciously be
|
||||
// used to bypass filters that check only for ASCII characters. For
|
||||
// instance, a 2-byte encoded line feed (LF) would not be caught by a
|
||||
// line counter that counts only 0x0a bytes, but it would still be
|
||||
// processed as a line feed by an unsafe UTF-8 decoder later in the
|
||||
// pipeline. From a security point of view, ASCII compatibility of UTF-8
|
||||
// sequences means also, that ASCII characters are *only* allowed to be
|
||||
// represented by ASCII bytes in the range 0x00-0x7f. To ensure this
|
||||
// aspect of ASCII compatibility, use only "safe UTF-8 decoders" that
|
||||
// reject overlong UTF-8 sequences for which a shorter encoding exists.
|
||||
|
||||
SECTION("4.1 Examples of an overlong ASCII character")
|
||||
{
|
||||
// With a safe UTF-8 decoder, all the following five overlong
|
||||
// representations of the ASCII character slash ("/") should be rejected
|
||||
// like a malformed UTF-8 sequence, for instance by substituting it with
|
||||
// a replacement character. If you see a slash below, you do not have a
|
||||
// safe UTF-8 decoder!
|
||||
|
||||
// 4.1.1 U+002F = c0 af
|
||||
roundtrip(false, "\xc0\xaf");
|
||||
// 4.1.2 U+002F = e0 80 af
|
||||
roundtrip(false, "\xe0\x80\xaf");
|
||||
// 4.1.3 U+002F = f0 80 80 af
|
||||
roundtrip(false, "\xf0\x80\x80\xaf");
|
||||
// 4.1.4 U+002F = f8 80 80 80 af
|
||||
roundtrip(false, "\xf8\x80\x80\x80\xaf");
|
||||
// 4.1.5 U+002F = fc 80 80 80 80 af
|
||||
roundtrip(false, "\xfc\x80\x80\x80\x80\xaf");
|
||||
}
|
||||
|
||||
SECTION("4.2 Maximum overlong sequences")
|
||||
{
|
||||
// Below you see the highest Unicode value that is still resulting in an
|
||||
// overlong sequence if represented with the given number of bytes. This
|
||||
// is a boundary test for safe UTF-8 decoders. All five characters should
|
||||
// be rejected like malformed UTF-8 sequences.
|
||||
|
||||
// 4.2.1 U-0000007F = c1 bf
|
||||
roundtrip(false, "\xc1\xbf");
|
||||
// 4.2.2 U-000007FF = e0 9f bf
|
||||
roundtrip(false, "\xe0\x9f\xbf");
|
||||
// 4.2.3 U-0000FFFF = f0 8f bf bf
|
||||
roundtrip(false, "\xf0\x8f\xbf\xbf");
|
||||
// 4.2.4 U-001FFFFF = f8 87 bf bf bf
|
||||
roundtrip(false, "\xf8\x87\xbf\xbf\xbf");
|
||||
// 4.2.5 U-03FFFFFF = fc 83 bf bf bf bf
|
||||
roundtrip(false, "\xfc\x83\xbf\xbf\xbf\xbf");
|
||||
}
|
||||
|
||||
SECTION("4.3 Overlong representation of the NUL character")
|
||||
{
|
||||
// The following five sequences should also be rejected like malformed
|
||||
// UTF-8 sequences and should not be treated like the ASCII NUL
|
||||
// character.
|
||||
|
||||
// 4.3.1 U+0000 = c0 80
|
||||
roundtrip(false, "\xc0\x80");
|
||||
// 4.3.2 U+0000 = e0 80 80
|
||||
roundtrip(false, "\xe0\x80\x80");
|
||||
// 4.3.3 U+0000 = f0 80 80 80
|
||||
roundtrip(false, "\xf0\x80\x80\x80");
|
||||
// 4.3.4 U+0000 = f8 80 80 80 80
|
||||
roundtrip(false, "\xf8\x80\x80\x80\x80");
|
||||
// 4.3.5 U+0000 = fc 80 80 80 80 80
|
||||
roundtrip(false, "\xfc\x80\x80\x80\x80\x80");
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("5 Illegal code positions")
|
||||
{
|
||||
// The following UTF-8 sequences should be rejected like malformed
|
||||
// sequences, because they never represent valid ISO 10646 characters and
|
||||
// a UTF-8 decoder that accepts them might introduce security problems
|
||||
// comparable to overlong UTF-8 sequences.
|
||||
|
||||
SECTION("5.1 Single UTF-16 surrogates")
|
||||
{
|
||||
// 5.1.1 U+D800 = ed a0 80
|
||||
roundtrip(false, "\xed\xa0\x80");
|
||||
// 5.1.2 U+DB7F = ed ad bf
|
||||
roundtrip(false, "\xed\xad\xbf");
|
||||
// 5.1.3 U+DB80 = ed ae 80
|
||||
roundtrip(false, "\xed\xae\x80");
|
||||
// 5.1.4 U+DBFF = ed af bf
|
||||
roundtrip(false, "\xed\xaf\xbf");
|
||||
// 5.1.5 U+DC00 = ed b0 80
|
||||
roundtrip(false, "\xed\xb0\x80");
|
||||
// 5.1.6 U+DF80 = ed be 80
|
||||
roundtrip(false, "\xed\xbe\x80");
|
||||
// 5.1.7 U+DFFF = ed bf bf
|
||||
roundtrip(false, "\xed\xbf\xbf");
|
||||
}
|
||||
|
||||
SECTION("5.2 Paired UTF-16 surrogates")
|
||||
{
|
||||
// 5.2.1 U+D800 U+DC00 = ed a0 80 ed b0 80
|
||||
roundtrip(false, "\xed\xa0\x80\xed\xb0\x80");
|
||||
// 5.2.2 U+D800 U+DFFF = ed a0 80 ed bf bf
|
||||
roundtrip(false, "\xed\xa0\x80\xed\xbf\xbf");
|
||||
// 5.2.3 U+DB7F U+DC00 = ed ad bf ed b0 80
|
||||
roundtrip(false, "\xed\xad\xbf\xed\xb0\x80");
|
||||
// 5.2.4 U+DB7F U+DFFF = ed ad bf ed bf bf
|
||||
roundtrip(false, "\xed\xad\xbf\xed\xbf\xbf");
|
||||
// 5.2.5 U+DB80 U+DC00 = ed ae 80 ed b0 80
|
||||
roundtrip(false, "\xed\xae\x80\xed\xb0\x80");
|
||||
// 5.2.6 U+DB80 U+DFFF = ed ae 80 ed bf bf
|
||||
roundtrip(false, "\xed\xae\x80\xed\xbf\xbf");
|
||||
// 5.2.7 U+DBFF U+DC00 = ed af bf ed b0 80
|
||||
roundtrip(false, "\xed\xaf\xbf\xed\xb0\x80");
|
||||
// 5.2.8 U+DBFF U+DFFF = ed af bf ed bf bf
|
||||
roundtrip(false, "\xed\xaf\xbf\xed\xbf\xbf");
|
||||
}
|
||||
|
||||
SECTION("5.3 Noncharacter code positions")
|
||||
{
|
||||
// The following "noncharacters" are "reserved for internal use" by
|
||||
// applications, and according to older versions of the Unicode Standard
|
||||
// "should never be interchanged". Unicode Corrigendum #9 dropped the
|
||||
// latter restriction. Nevertheless, their presence in incoming UTF-8 data
|
||||
// can remain a potential security risk, depending on what use is made of
|
||||
// these codes subsequently. Examples of such internal use:
|
||||
//
|
||||
// - Some file APIs with 16-bit characters may use the integer value -1
|
||||
// = U+FFFF to signal an end-of-file (EOF) or error condition.
|
||||
//
|
||||
// - In some UTF-16 receivers, code point U+FFFE might trigger a
|
||||
// byte-swap operation (to convert between UTF-16LE and UTF-16BE).
|
||||
//
|
||||
// With such internal use of noncharacters, it may be desirable and safer
|
||||
// to block those code points in UTF-8 decoders, as they should never
|
||||
// occur legitimately in incoming UTF-8 data, and could trigger unsafe
|
||||
// behaviour in subsequent processing.
|
||||
|
||||
// Particularly problematic noncharacters in 16-bit applications:
|
||||
|
||||
// 5.3.1 U+FFFE = ef bf be
|
||||
roundtrip(true, "\xef\xbf\xbe");
|
||||
// 5.3.2 U+FFFF = ef bf bf
|
||||
roundtrip(true, "\xef\xbf\xbf");
|
||||
|
||||
// 5.3.3 U+FDD0 .. U+FDEF
|
||||
roundtrip(true, "\xEF\xB7\x90");
|
||||
roundtrip(true, "\xEF\xB7\x91");
|
||||
roundtrip(true, "\xEF\xB7\x92");
|
||||
roundtrip(true, "\xEF\xB7\x93");
|
||||
roundtrip(true, "\xEF\xB7\x94");
|
||||
roundtrip(true, "\xEF\xB7\x95");
|
||||
roundtrip(true, "\xEF\xB7\x96");
|
||||
roundtrip(true, "\xEF\xB7\x97");
|
||||
roundtrip(true, "\xEF\xB7\x98");
|
||||
roundtrip(true, "\xEF\xB7\x99");
|
||||
roundtrip(true, "\xEF\xB7\x9A");
|
||||
roundtrip(true, "\xEF\xB7\x9B");
|
||||
roundtrip(true, "\xEF\xB7\x9C");
|
||||
roundtrip(true, "\xEF\xB7\x9D");
|
||||
roundtrip(true, "\xEF\xB7\x9E");
|
||||
roundtrip(true, "\xEF\xB7\x9F");
|
||||
roundtrip(true, "\xEF\xB7\xA0");
|
||||
roundtrip(true, "\xEF\xB7\xA1");
|
||||
roundtrip(true, "\xEF\xB7\xA2");
|
||||
roundtrip(true, "\xEF\xB7\xA3");
|
||||
roundtrip(true, "\xEF\xB7\xA4");
|
||||
roundtrip(true, "\xEF\xB7\xA5");
|
||||
roundtrip(true, "\xEF\xB7\xA6");
|
||||
roundtrip(true, "\xEF\xB7\xA7");
|
||||
roundtrip(true, "\xEF\xB7\xA8");
|
||||
roundtrip(true, "\xEF\xB7\xA9");
|
||||
roundtrip(true, "\xEF\xB7\xAA");
|
||||
roundtrip(true, "\xEF\xB7\xAB");
|
||||
roundtrip(true, "\xEF\xB7\xAC");
|
||||
roundtrip(true, "\xEF\xB7\xAD");
|
||||
roundtrip(true, "\xEF\xB7\xAE");
|
||||
roundtrip(true, "\xEF\xB7\xAF");
|
||||
|
||||
// 5.3.4 U+nFFFE U+nFFFF (for n = 1..10)
|
||||
roundtrip(true, "\xF0\x9F\xBF\xBF");
|
||||
roundtrip(true, "\xF0\xAF\xBF\xBF");
|
||||
roundtrip(true, "\xF0\xBF\xBF\xBF");
|
||||
roundtrip(true, "\xF1\x8F\xBF\xBF");
|
||||
roundtrip(true, "\xF1\x9F\xBF\xBF");
|
||||
roundtrip(true, "\xF1\xAF\xBF\xBF");
|
||||
roundtrip(true, "\xF1\xBF\xBF\xBF");
|
||||
roundtrip(true, "\xF2\x8F\xBF\xBF");
|
||||
roundtrip(true, "\xF2\x9F\xBF\xBF");
|
||||
roundtrip(true, "\xF2\xAF\xBF\xBF");
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,612 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
// for some reason including this after the json header leads to linker errors with VS 2017...
|
||||
#include <locale>
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <iostream>
|
||||
#include <iomanip>
|
||||
#include "make_test_data_available.hpp"
|
||||
#include "test_utils.hpp"
|
||||
|
||||
// this test suite uses static variables with non-trivial destructors
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
|
||||
|
||||
namespace
|
||||
{
|
||||
extern size_t calls;
|
||||
size_t calls = 0;
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
static std::string json_string;
|
||||
json_string.clear();
|
||||
|
||||
CAPTURE(byte1)
|
||||
CAPTURE(byte2)
|
||||
CAPTURE(byte3)
|
||||
CAPTURE(byte4)
|
||||
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
// store the string in a JSON value
|
||||
static json j;
|
||||
static json j2;
|
||||
j = json_string;
|
||||
j2 = "abc" + json_string + "xyz";
|
||||
|
||||
static std::string s_ignored;
|
||||
static std::string s_ignored2;
|
||||
static std::string s_ignored_ascii;
|
||||
static std::string s_ignored2_ascii;
|
||||
static std::string s_replaced;
|
||||
static std::string s_replaced2;
|
||||
static std::string s_replaced_ascii;
|
||||
static std::string s_replaced2_ascii;
|
||||
|
||||
// dumping with ignore/replace must not throw in any case
|
||||
s_ignored = j.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored2 = j2.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored_ascii = j.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_ignored2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_replaced = j.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced2 = j2.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced_ascii = j.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
s_replaced2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
|
||||
if (success_expected)
|
||||
{
|
||||
static std::string s_strict;
|
||||
// strict mode must not throw if success is expected
|
||||
s_strict = j.dump();
|
||||
// all dumps should agree on the string
|
||||
CHECK(s_strict == s_ignored);
|
||||
CHECK(s_strict == s_replaced);
|
||||
}
|
||||
else
|
||||
{
|
||||
// strict mode must throw if success is not expected
|
||||
// dump() is nodiscard; the exception is thrown by dump() itself before it would return
|
||||
CHECK_THROWS_AS(utils::ignore_return_value(j.dump()), json::type_error&);
|
||||
// ignore and replace must create different dumps
|
||||
CHECK(s_ignored != s_replaced);
|
||||
|
||||
// check that replace string contains a replacement character
|
||||
CHECK(s_replaced.find("\xEF\xBF\xBD") != std::string::npos);
|
||||
}
|
||||
|
||||
// check that prefix and suffix are preserved
|
||||
CHECK(s_ignored2.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2.substr(s_ignored2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_ignored2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2_ascii.substr(s_ignored2_ascii.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2.substr(s_replaced2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2_ascii.substr(s_replaced2_ascii.size() - 4, 3) == "xyz");
|
||||
}
|
||||
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
// create and check a JSON string with up to four UTF-8 bytes
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
if (++calls % 100000 == 0)
|
||||
{
|
||||
std::cout << calls << " of 455355 UTF-8 strings checked" << std::endl; // NOLINT(performance-avoid-endl)
|
||||
}
|
||||
|
||||
static std::string json_string;
|
||||
json_string = "\"";
|
||||
|
||||
CAPTURE(byte1)
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
CAPTURE(byte2)
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
CAPTURE(byte3)
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
CAPTURE(byte4)
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
json_string += "\"";
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
json _;
|
||||
if (success_expected)
|
||||
{
|
||||
CHECK_NOTHROW(_ = json::parse(json_string));
|
||||
}
|
||||
else
|
||||
{
|
||||
CHECK_THROWS_AS(_ = json::parse(json_string), json::parse_error&);
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
TEST_CASE("Unicode (2/5)" * doctest::skip())
|
||||
{
|
||||
SECTION("RFC 3629")
|
||||
{
|
||||
/*
|
||||
RFC 3629 describes in Sect. 4 the syntax of UTF-8 byte sequences as
|
||||
follows:
|
||||
|
||||
A UTF-8 string is a sequence of octets representing a sequence of UCS
|
||||
characters. An octet sequence is valid UTF-8 only if it matches the
|
||||
following syntax, which is derived from the rules for encoding UTF-8
|
||||
and is expressed in the ABNF of [RFC2234].
|
||||
|
||||
UTF8-octets = *( UTF8-char )
|
||||
UTF8-char = UTF8-1 / UTF8-2 / UTF8-3 / UTF8-4
|
||||
UTF8-1 = %x00-7F
|
||||
UTF8-2 = %xC2-DF UTF8-tail
|
||||
UTF8-3 = %xE0 %xA0-BF UTF8-tail / %xE1-EC 2( UTF8-tail ) /
|
||||
%xED %x80-9F UTF8-tail / %xEE-EF 2( UTF8-tail )
|
||||
UTF8-4 = %xF0 %x90-BF 2( UTF8-tail ) / %xF1-F3 3( UTF8-tail ) /
|
||||
%xF4 %x80-8F 2( UTF8-tail )
|
||||
UTF8-tail = %x80-BF
|
||||
*/
|
||||
|
||||
SECTION("ill-formed first byte")
|
||||
{
|
||||
for (int byte1 = 0x80; byte1 <= 0xC1; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
|
||||
for (int byte1 = 0xF5; byte1 <= 0xFF; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-1 (x00-x7F)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0x00; byte1 <= 0x7F; ++byte1)
|
||||
{
|
||||
// unescaped control characters are parse errors in JSON
|
||||
if (0x00 <= byte1 && byte1 <= 0x1F)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
continue;
|
||||
}
|
||||
|
||||
// a single quote is a parse error in JSON
|
||||
if (byte1 == 0x22)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
continue;
|
||||
}
|
||||
|
||||
// a single backslash is a parse error in JSON
|
||||
if (byte1 == 0x5C)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
continue;
|
||||
}
|
||||
|
||||
// all other characters are OK
|
||||
check_utf8string(true, byte1);
|
||||
check_utf8dump(true, byte1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-2 (xC2-xDF UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xC2; byte1 <= 0xDF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2);
|
||||
check_utf8dump(true, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xC2; byte1 <= 0xDF; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xC2; byte1 <= 0xDF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-3 (xE0 xA0-BF UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xE0; byte1 <= 0xE0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0xA0; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3);
|
||||
check_utf8dump(true, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xE0; byte1 <= 0xE0; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xE0; byte1 <= 0xE0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0xA0; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xE0; byte1 <= 0xE0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0xA0 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xE0; byte1 <= 0xE0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0xA0; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-3 (xE1-xEC UTF8-tail UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xE1; byte1 <= 0xEC; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3);
|
||||
check_utf8dump(true, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xE1; byte1 <= 0xEC; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xE1; byte1 <= 0xEC; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xE1; byte1 <= 0xEC; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xE1; byte1 <= 0xEC; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-3 (xED x80-9F UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xED; byte1 <= 0xED; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x9F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3);
|
||||
check_utf8dump(true, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xED; byte1 <= 0xED; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xED; byte1 <= 0xED; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x9F; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xED; byte1 <= 0xED; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0x9F)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xED; byte1 <= 0xED; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x9F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("UTF8-3 (xEE-xEF UTF8-tail UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xEE; byte1 <= 0xEF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3);
|
||||
check_utf8dump(true, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xEE; byte1 <= 0xEF; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xEE; byte1 <= 0xEF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xEE; byte1 <= 0xEF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xEE; byte1 <= 0xEF; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_POP
|
||||
@@ -0,0 +1,326 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
// for some reason including this after the json header leads to linker errors with VS 2017...
|
||||
#include <locale>
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <iostream>
|
||||
#include <iomanip>
|
||||
#include "make_test_data_available.hpp"
|
||||
#include "test_utils.hpp"
|
||||
|
||||
// this test suite uses static variables with non-trivial destructors
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
|
||||
|
||||
namespace
|
||||
{
|
||||
extern size_t calls;
|
||||
size_t calls = 0;
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
static std::string json_string;
|
||||
json_string.clear();
|
||||
|
||||
CAPTURE(byte1)
|
||||
CAPTURE(byte2)
|
||||
CAPTURE(byte3)
|
||||
CAPTURE(byte4)
|
||||
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
// store the string in a JSON value
|
||||
static json j;
|
||||
static json j2;
|
||||
j = json_string;
|
||||
j2 = "abc" + json_string + "xyz";
|
||||
|
||||
static std::string s_ignored;
|
||||
static std::string s_ignored2;
|
||||
static std::string s_ignored_ascii;
|
||||
static std::string s_ignored2_ascii;
|
||||
static std::string s_replaced;
|
||||
static std::string s_replaced2;
|
||||
static std::string s_replaced_ascii;
|
||||
static std::string s_replaced2_ascii;
|
||||
|
||||
// dumping with ignore/replace must not throw in any case
|
||||
s_ignored = j.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored2 = j2.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored_ascii = j.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_ignored2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_replaced = j.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced2 = j2.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced_ascii = j.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
s_replaced2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
|
||||
if (success_expected)
|
||||
{
|
||||
static std::string s_strict;
|
||||
// strict mode must not throw if success is expected
|
||||
s_strict = j.dump();
|
||||
// all dumps should agree on the string
|
||||
CHECK(s_strict == s_ignored);
|
||||
CHECK(s_strict == s_replaced);
|
||||
}
|
||||
else
|
||||
{
|
||||
// strict mode must throw if success is not expected
|
||||
// dump() is nodiscard; the exception is thrown by dump() itself before it would return
|
||||
CHECK_THROWS_AS(utils::ignore_return_value(j.dump()), json::type_error&);
|
||||
// ignore and replace must create different dumps
|
||||
CHECK(s_ignored != s_replaced);
|
||||
|
||||
// check that replace string contains a replacement character
|
||||
CHECK(s_replaced.find("\xEF\xBF\xBD") != std::string::npos);
|
||||
}
|
||||
|
||||
// check that prefix and suffix are preserved
|
||||
CHECK(s_ignored2.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2.substr(s_ignored2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_ignored2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2_ascii.substr(s_ignored2_ascii.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2.substr(s_replaced2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2_ascii.substr(s_replaced2_ascii.size() - 4, 3) == "xyz");
|
||||
}
|
||||
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
// create and check a JSON string with up to four UTF-8 bytes
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
if (++calls % 100000 == 0)
|
||||
{
|
||||
std::cout << calls << " of 1641521 UTF-8 strings checked" << std::endl; // NOLINT(performance-avoid-endl)
|
||||
}
|
||||
|
||||
static std::string json_string;
|
||||
json_string = "\"";
|
||||
|
||||
CAPTURE(byte1)
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
CAPTURE(byte2)
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
CAPTURE(byte3)
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
CAPTURE(byte4)
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
json_string += "\"";
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
json _;
|
||||
if (success_expected)
|
||||
{
|
||||
CHECK_NOTHROW(_ = json::parse(json_string));
|
||||
}
|
||||
else
|
||||
{
|
||||
CHECK_THROWS_AS(_ = json::parse(json_string), json::parse_error&);
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
TEST_CASE("Unicode (3/5)" * doctest::skip())
|
||||
{
|
||||
SECTION("RFC 3629")
|
||||
{
|
||||
/*
|
||||
RFC 3629 describes in Sect. 4 the syntax of UTF-8 byte sequences as
|
||||
follows:
|
||||
|
||||
A UTF-8 string is a sequence of octets representing a sequence of UCS
|
||||
characters. An octet sequence is valid UTF-8 only if it matches the
|
||||
following syntax, which is derived from the rules for encoding UTF-8
|
||||
and is expressed in the ABNF of [RFC2234].
|
||||
|
||||
UTF8-octets = *( UTF8-char )
|
||||
UTF8-char = UTF8-1 / UTF8-2 / UTF8-3 / UTF8-4
|
||||
UTF8-1 = %x00-7F
|
||||
UTF8-2 = %xC2-DF UTF8-tail
|
||||
UTF8-3 = %xE0 %xA0-BF UTF8-tail / %xE1-EC 2( UTF8-tail ) /
|
||||
%xED %x80-9F UTF8-tail / %xEE-EF 2( UTF8-tail )
|
||||
UTF8-4 = %xF0 %x90-BF 2( UTF8-tail ) / %xF1-F3 3( UTF8-tail ) /
|
||||
%xF4 %x80-8F 2( UTF8-tail )
|
||||
UTF8-tail = %x80-BF
|
||||
*/
|
||||
|
||||
SECTION("UTF8-4 (xF0 x90-BF UTF8-tail UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x90; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(true, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x90; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x90; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x90 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x90; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF0; byte1 <= 0xF0; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x90; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x00; byte4 <= 0xFF; ++byte4)
|
||||
{
|
||||
// skip correct fourth byte
|
||||
if (0x80 <= byte4 && byte4 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_POP
|
||||
@@ -0,0 +1,326 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
// for some reason including this after the json header leads to linker errors with VS 2017...
|
||||
#include <locale>
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <iostream>
|
||||
#include <iomanip>
|
||||
#include "make_test_data_available.hpp"
|
||||
#include "test_utils.hpp"
|
||||
|
||||
// this test suite uses static variables with non-trivial destructors
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
|
||||
|
||||
namespace
|
||||
{
|
||||
extern size_t calls;
|
||||
size_t calls = 0;
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
static std::string json_string;
|
||||
json_string.clear();
|
||||
|
||||
CAPTURE(byte1)
|
||||
CAPTURE(byte2)
|
||||
CAPTURE(byte3)
|
||||
CAPTURE(byte4)
|
||||
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
// store the string in a JSON value
|
||||
static json j;
|
||||
static json j2;
|
||||
j = json_string;
|
||||
j2 = "abc" + json_string + "xyz";
|
||||
|
||||
static std::string s_ignored;
|
||||
static std::string s_ignored2;
|
||||
static std::string s_ignored_ascii;
|
||||
static std::string s_ignored2_ascii;
|
||||
static std::string s_replaced;
|
||||
static std::string s_replaced2;
|
||||
static std::string s_replaced_ascii;
|
||||
static std::string s_replaced2_ascii;
|
||||
|
||||
// dumping with ignore/replace must not throw in any case
|
||||
s_ignored = j.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored2 = j2.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored_ascii = j.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_ignored2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_replaced = j.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced2 = j2.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced_ascii = j.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
s_replaced2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
|
||||
if (success_expected)
|
||||
{
|
||||
static std::string s_strict;
|
||||
// strict mode must not throw if success is expected
|
||||
s_strict = j.dump();
|
||||
// all dumps should agree on the string
|
||||
CHECK(s_strict == s_ignored);
|
||||
CHECK(s_strict == s_replaced);
|
||||
}
|
||||
else
|
||||
{
|
||||
// strict mode must throw if success is not expected
|
||||
// dump() is nodiscard; the exception is thrown by dump() itself before it would return
|
||||
CHECK_THROWS_AS(utils::ignore_return_value(j.dump()), json::type_error&);
|
||||
// ignore and replace must create different dumps
|
||||
CHECK(s_ignored != s_replaced);
|
||||
|
||||
// check that replace string contains a replacement character
|
||||
CHECK(s_replaced.find("\xEF\xBF\xBD") != std::string::npos);
|
||||
}
|
||||
|
||||
// check that prefix and suffix are preserved
|
||||
CHECK(s_ignored2.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2.substr(s_ignored2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_ignored2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2_ascii.substr(s_ignored2_ascii.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2.substr(s_replaced2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2_ascii.substr(s_replaced2_ascii.size() - 4, 3) == "xyz");
|
||||
}
|
||||
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
// create and check a JSON string with up to four UTF-8 bytes
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
if (++calls % 100000 == 0)
|
||||
{
|
||||
std::cout << calls << " of 5517507 UTF-8 strings checked" << std::endl; // NOLINT(performance-avoid-endl)
|
||||
}
|
||||
|
||||
static std::string json_string;
|
||||
json_string = "\"";
|
||||
|
||||
CAPTURE(byte1)
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
CAPTURE(byte2)
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
CAPTURE(byte3)
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
CAPTURE(byte4)
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
json_string += "\"";
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
json _;
|
||||
if (success_expected)
|
||||
{
|
||||
CHECK_NOTHROW(_ = json::parse(json_string));
|
||||
}
|
||||
else
|
||||
{
|
||||
CHECK_THROWS_AS(_ = json::parse(json_string), json::parse_error&);
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
TEST_CASE("Unicode (4/5)" * doctest::skip())
|
||||
{
|
||||
SECTION("RFC 3629")
|
||||
{
|
||||
/*
|
||||
RFC 3629 describes in Sect. 4 the syntax of UTF-8 byte sequences as
|
||||
follows:
|
||||
|
||||
A UTF-8 string is a sequence of octets representing a sequence of UCS
|
||||
characters. An octet sequence is valid UTF-8 only if it matches the
|
||||
following syntax, which is derived from the rules for encoding UTF-8
|
||||
and is expressed in the ABNF of [RFC2234].
|
||||
|
||||
UTF8-octets = *( UTF8-char )
|
||||
UTF8-char = UTF8-1 / UTF8-2 / UTF8-3 / UTF8-4
|
||||
UTF8-1 = %x00-7F
|
||||
UTF8-2 = %xC2-DF UTF8-tail
|
||||
UTF8-3 = %xE0 %xA0-BF UTF8-tail / %xE1-EC 2( UTF8-tail ) /
|
||||
%xED %x80-9F UTF8-tail / %xEE-EF 2( UTF8-tail )
|
||||
UTF8-4 = %xF0 %x90-BF 2( UTF8-tail ) / %xF1-F3 3( UTF8-tail ) /
|
||||
%xF4 %x80-8F 2( UTF8-tail )
|
||||
UTF8-tail = %x80-BF
|
||||
*/
|
||||
|
||||
SECTION("UTF8-4 (xF1-F3 UTF8-tail UTF8-tail UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(true, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF1; byte1 <= 0xF3; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0xBF; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x00; byte4 <= 0xFF; ++byte4)
|
||||
{
|
||||
// skip correct fourth byte
|
||||
if (0x80 <= byte4 && byte4 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_POP
|
||||
@@ -0,0 +1,326 @@
|
||||
// __ _____ _____ _____
|
||||
// __| | __| | | | JSON for Modern C++ (supporting code)
|
||||
// | | |__ | | | | | | version 3.12.0
|
||||
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
|
||||
//
|
||||
// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
|
||||
// SPDX-License-Identifier: MIT
|
||||
|
||||
#include "doctest_compatibility.h"
|
||||
|
||||
// for some reason including this after the json header leads to linker errors with VS 2017...
|
||||
#include <locale>
|
||||
|
||||
#include <nlohmann/json.hpp>
|
||||
using nlohmann::json;
|
||||
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <iostream>
|
||||
#include <iomanip>
|
||||
#include "make_test_data_available.hpp"
|
||||
#include "test_utils.hpp"
|
||||
|
||||
// this test suite uses static variables with non-trivial destructors
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_PUSH
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors")
|
||||
|
||||
namespace
|
||||
{
|
||||
extern size_t calls;
|
||||
size_t calls = 0;
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
void check_utf8dump(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
static std::string json_string;
|
||||
json_string.clear();
|
||||
|
||||
CAPTURE(byte1)
|
||||
CAPTURE(byte2)
|
||||
CAPTURE(byte3)
|
||||
CAPTURE(byte4)
|
||||
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
// store the string in a JSON value
|
||||
static json j;
|
||||
static json j2;
|
||||
j = json_string;
|
||||
j2 = "abc" + json_string + "xyz";
|
||||
|
||||
static std::string s_ignored;
|
||||
static std::string s_ignored2;
|
||||
static std::string s_ignored_ascii;
|
||||
static std::string s_ignored2_ascii;
|
||||
static std::string s_replaced;
|
||||
static std::string s_replaced2;
|
||||
static std::string s_replaced_ascii;
|
||||
static std::string s_replaced2_ascii;
|
||||
|
||||
// dumping with ignore/replace must not throw in any case
|
||||
s_ignored = j.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored2 = j2.dump(-1, ' ', false, json::error_handler_t::ignore);
|
||||
s_ignored_ascii = j.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_ignored2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::ignore);
|
||||
s_replaced = j.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced2 = j2.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
s_replaced_ascii = j.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
s_replaced2_ascii = j2.dump(-1, ' ', true, json::error_handler_t::replace);
|
||||
|
||||
if (success_expected)
|
||||
{
|
||||
static std::string s_strict;
|
||||
// strict mode must not throw if success is expected
|
||||
s_strict = j.dump();
|
||||
// all dumps should agree on the string
|
||||
CHECK(s_strict == s_ignored);
|
||||
CHECK(s_strict == s_replaced);
|
||||
}
|
||||
else
|
||||
{
|
||||
// strict mode must throw if success is not expected
|
||||
// dump() is nodiscard; the exception is thrown by dump() itself before it would return
|
||||
CHECK_THROWS_AS(utils::ignore_return_value(j.dump()), json::type_error&);
|
||||
// ignore and replace must create different dumps
|
||||
CHECK(s_ignored != s_replaced);
|
||||
|
||||
// check that replace string contains a replacement character
|
||||
CHECK(s_replaced.find("\xEF\xBF\xBD") != std::string::npos);
|
||||
}
|
||||
|
||||
// check that prefix and suffix are preserved
|
||||
CHECK(s_ignored2.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2.substr(s_ignored2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_ignored2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_ignored2_ascii.substr(s_ignored2_ascii.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2.substr(s_replaced2.size() - 4, 3) == "xyz");
|
||||
CHECK(s_replaced2_ascii.substr(1, 3) == "abc");
|
||||
CHECK(s_replaced2_ascii.substr(s_replaced2_ascii.size() - 4, 3) == "xyz");
|
||||
}
|
||||
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2, int byte3, int byte4);
|
||||
|
||||
// create and check a JSON string with up to four UTF-8 bytes
|
||||
void check_utf8string(bool success_expected, int byte1, int byte2 = -1, int byte3 = -1, int byte4 = -1)
|
||||
{
|
||||
if (++calls % 100000 == 0)
|
||||
{
|
||||
std::cout << calls << " of 1246225 UTF-8 strings checked" << std::endl; // NOLINT(performance-avoid-endl)
|
||||
}
|
||||
|
||||
static std::string json_string;
|
||||
json_string = "\"";
|
||||
|
||||
CAPTURE(byte1)
|
||||
json_string += std::string(1, static_cast<char>(byte1));
|
||||
|
||||
if (byte2 != -1)
|
||||
{
|
||||
CAPTURE(byte2)
|
||||
json_string += std::string(1, static_cast<char>(byte2));
|
||||
}
|
||||
|
||||
if (byte3 != -1)
|
||||
{
|
||||
CAPTURE(byte3)
|
||||
json_string += std::string(1, static_cast<char>(byte3));
|
||||
}
|
||||
|
||||
if (byte4 != -1)
|
||||
{
|
||||
CAPTURE(byte4)
|
||||
json_string += std::string(1, static_cast<char>(byte4));
|
||||
}
|
||||
|
||||
json_string += "\"";
|
||||
|
||||
CAPTURE(json_string)
|
||||
|
||||
json _;
|
||||
if (success_expected)
|
||||
{
|
||||
CHECK_NOTHROW(_ = json::parse(json_string));
|
||||
}
|
||||
else
|
||||
{
|
||||
CHECK_THROWS_AS(_ = json::parse(json_string), json::parse_error&);
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
TEST_CASE("Unicode (5/5)" * doctest::skip())
|
||||
{
|
||||
SECTION("RFC 3629")
|
||||
{
|
||||
/*
|
||||
RFC 3629 describes in Sect. 4 the syntax of UTF-8 byte sequences as
|
||||
follows:
|
||||
|
||||
A UTF-8 string is a sequence of octets representing a sequence of UCS
|
||||
characters. An octet sequence is valid UTF-8 only if it matches the
|
||||
following syntax, which is derived from the rules for encoding UTF-8
|
||||
and is expressed in the ABNF of [RFC2234].
|
||||
|
||||
UTF8-octets = *( UTF8-char )
|
||||
UTF8-char = UTF8-1 / UTF8-2 / UTF8-3 / UTF8-4
|
||||
UTF8-1 = %x00-7F
|
||||
UTF8-2 = %xC2-DF UTF8-tail
|
||||
UTF8-3 = %xE0 %xA0-BF UTF8-tail / %xE1-EC 2( UTF8-tail ) /
|
||||
%xED %x80-9F UTF8-tail / %xEE-EF 2( UTF8-tail )
|
||||
UTF8-4 = %xF0 %x90-BF 2( UTF8-tail ) / %xF1-F3 3( UTF8-tail ) /
|
||||
%xF4 %x80-8F 2( UTF8-tail )
|
||||
UTF8-tail = %x80-BF
|
||||
*/
|
||||
|
||||
SECTION("UTF8-4 (xF4 x80-8F UTF8-tail UTF8-tail)")
|
||||
{
|
||||
SECTION("well-formed")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x8F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(true, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(true, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing second byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
check_utf8string(false, byte1);
|
||||
check_utf8dump(false, byte1);
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing third byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x8F; ++byte2)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2);
|
||||
check_utf8dump(false, byte1, byte2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: missing fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x8F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3);
|
||||
check_utf8dump(false, byte1, byte2, byte3);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong second byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x00; byte2 <= 0xFF; ++byte2)
|
||||
{
|
||||
// skip correct second byte
|
||||
if (0x80 <= byte2 && byte2 <= 0x8F)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong third byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x8F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x00; byte3 <= 0xFF; ++byte3)
|
||||
{
|
||||
// skip correct third byte
|
||||
if (0x80 <= byte3 && byte3 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int byte4 = 0x80; byte4 <= 0xBF; ++byte4)
|
||||
{
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
SECTION("ill-formed: wrong fourth byte")
|
||||
{
|
||||
for (int byte1 = 0xF4; byte1 <= 0xF4; ++byte1)
|
||||
{
|
||||
for (int byte2 = 0x80; byte2 <= 0x8F; ++byte2)
|
||||
{
|
||||
for (int byte3 = 0x80; byte3 <= 0xBF; ++byte3)
|
||||
{
|
||||
for (int byte4 = 0x00; byte4 <= 0xFF; ++byte4)
|
||||
{
|
||||
// skip correct fourth byte
|
||||
if (0x80 <= byte4 && byte4 <= 0xBF)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
check_utf8string(false, byte1, byte2, byte3, byte4);
|
||||
check_utf8dump(false, byte1, byte2, byte3, byte4);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
DOCTEST_CLANG_SUPPRESS_WARNING_POP
|
||||
Reference in New Issue
Block a user