mirror of
https://github.com/nlohmann/json.git
synced 2026-10-29 09:05:42 +00:00
Niels Lohmann
2bb2feeef4
* json_view: pointer tokens that cannot be array indices create objects editable_document::set() chose an array for a null parent whenever the token consisted of digits, so "01" threw parse_error.106 and the empty token threw, while basic_json::operator[](json_pointer) has created an object for such tokens since #5358. This broke unit-json_view_edit_values on develop. Use the same RFC 6901 array index test as basic_json. Also re-indent the unflatten test that the astyle check flagged. Signed-off-by: Niels Lohmann <mail@nlohmann.me> * Fix the other red jobs on develop - unit-bson: initialize recorder::events in its declaration (-Weffc++) - unit-json_view_from_json: suppress -Wexit-time-destructors for the serialize-enum tables and -Wfloat-equal for same() - unit-pointer_access: @infer-ignore NULLPTR_DEREFERENCE for the dereferences after get_ptr() that Infer reports - json_view.hpp: IWYU no_include for the detail headers that the view code uses through nlohmann/json.hpp Signed-off-by: Niels Lohmann <mail@nlohmann.me> * Fix GCC warnings in the json_view from_json test GCC (-Weffc++, -Wfloat-equal) rejected unit-json_view_from_json.cpp (ci_test_standards_gcc (20)): initialize the members of shape and with_names, and suppress -Wfloat-equal for GCC like for clang. Signed-off-by: Niels Lohmann <mail@nlohmann.me> --------- Signed-off-by: Niels Lohmann <mail@nlohmann.me>
489 lines
21 KiB
C++
489 lines
21 KiB
C++
// __ _____ _____ _____
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// __| | __| | | | JSON for Modern C++ (supporting code)
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// | | |__ | | | | | | version 3.12.0
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// |_____|_____|_____|_|___| https://github.com/nlohmann/json
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//
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// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
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// SPDX-License-Identifier: MIT
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#include "doctest_compatibility.h"
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#include <nlohmann/json.hpp>
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using nlohmann::json;
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TEST_CASE("pointer access")
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{
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SECTION("pointer access to object_t")
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{
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using test_type = json::object_t;
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json value = {{"one", 1}, {"two", 2}};
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() != nullptr);
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CHECK(value.get_ptr<json::array_t*>() == nullptr);
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CHECK(value.get_ptr<json::string_t*>() == nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const object_t")
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{
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using test_type = const json::object_t;
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const json value = {{"one", 1}, {"two", 2}};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() != nullptr);
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CHECK(value.get_ptr<const json::array_t*>() == nullptr);
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CHECK(value.get_ptr<const json::string_t*>() == nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to array_t")
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{
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using test_type = json::array_t;
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json value = {1, 2, 3, 4};
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// false positive: p1 is non-null, as value has type test_type
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() == nullptr);
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CHECK(value.get_ptr<json::array_t*>() != nullptr);
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CHECK(value.get_ptr<json::string_t*>() == nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const array_t")
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{
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using test_type = const json::array_t;
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const json value = {1, 2, 3, 4};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// false positive: p1 is non-null, as value has type test_type
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() == nullptr);
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CHECK(value.get_ptr<const json::array_t*>() != nullptr);
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CHECK(value.get_ptr<const json::string_t*>() == nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to string_t")
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{
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using test_type = json::string_t;
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json value = "hello";
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() == nullptr);
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CHECK(value.get_ptr<json::array_t*>() == nullptr);
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CHECK(value.get_ptr<json::string_t*>() != nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const string_t")
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{
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using test_type = const json::string_t;
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const json value = "hello";
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() == nullptr);
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CHECK(value.get_ptr<const json::array_t*>() == nullptr);
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CHECK(value.get_ptr<const json::string_t*>() != nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to boolean_t")
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{
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using test_type = json::boolean_t;
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json value = false;
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() == nullptr);
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CHECK(value.get_ptr<json::array_t*>() == nullptr);
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CHECK(value.get_ptr<json::string_t*>() == nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() != nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const boolean_t")
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{
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using test_type = const json::boolean_t;
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const json value = false;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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//CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() == nullptr);
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CHECK(value.get_ptr<const json::array_t*>() == nullptr);
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CHECK(value.get_ptr<const json::string_t*>() == nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() != nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to number_integer_t")
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{
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using test_type = json::number_integer_t;
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json value = 23;
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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// @infer-ignore NULLPTR_DEREFERENCE
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() == nullptr);
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CHECK(value.get_ptr<json::array_t*>() == nullptr);
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CHECK(value.get_ptr<json::string_t*>() == nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() != nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const number_integer_t")
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{
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using test_type = const json::number_integer_t;
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const json value = 23;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() == nullptr);
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CHECK(value.get_ptr<const json::array_t*>() == nullptr);
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CHECK(value.get_ptr<const json::string_t*>() == nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() != nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to number_unsigned_t")
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{
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using test_type = json::number_unsigned_t;
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json value = 23u;
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<json::object_t*>() == nullptr);
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CHECK(value.get_ptr<json::array_t*>() == nullptr);
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CHECK(value.get_ptr<json::string_t*>() == nullptr);
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CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<json::number_unsigned_t*>() != nullptr);
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CHECK(value.get_ptr<json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to const number_unsigned_t")
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{
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using test_type = const json::number_unsigned_t;
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const json value = 23u;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
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CHECK(*p3 == value.get<test_type>());
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// check if null pointers are returned correctly
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CHECK(value.get_ptr<const json::object_t*>() == nullptr);
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CHECK(value.get_ptr<const json::array_t*>() == nullptr);
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CHECK(value.get_ptr<const json::string_t*>() == nullptr);
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CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
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CHECK(value.get_ptr<const json::number_unsigned_t*>() != nullptr);
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CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
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CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
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}
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SECTION("pointer access to number_float_t")
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{
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using test_type = json::number_float_t;
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json value = 42.23;
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// check if pointers are returned correctly
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const test_type* p1 = value.get_ptr<test_type*>();
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CHECK(p1 == value.get_ptr<test_type*>());
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CHECK(*p1 == Approx(value.get<test_type>()));
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const test_type* p2 = value.get_ptr<const test_type*>();
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CHECK(p2 == value.get_ptr<const test_type*>());
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CHECK(*p2 == Approx(value.get<test_type>()));
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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CHECK(p3 == value.get_ptr<const test_type* const>());
|
|
CHECK(*p3 == Approx(value.get<test_type>()));
|
|
|
|
// check if null pointers are returned correctly
|
|
CHECK(value.get_ptr<json::object_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::array_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::string_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::boolean_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::number_integer_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::number_unsigned_t*>() == nullptr);
|
|
CHECK(value.get_ptr<json::number_float_t*>() != nullptr);
|
|
CHECK(value.get_ptr<json::binary_t*>() == nullptr);
|
|
}
|
|
|
|
SECTION("pointer access to const number_float_t")
|
|
{
|
|
using test_type = const json::number_float_t;
|
|
const json value = 42.23;
|
|
|
|
// check if pointers are returned correctly
|
|
test_type* p1 = value.get_ptr<test_type*>();
|
|
CHECK(p1 == value.get_ptr<test_type*>());
|
|
CHECK(*p1 == Approx(value.get<test_type>()));
|
|
|
|
const test_type* p2 = value.get_ptr<const test_type*>();
|
|
CHECK(p2 == value.get_ptr<const test_type*>());
|
|
CHECK(*p2 == Approx(value.get<test_type>()));
|
|
|
|
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
|
CHECK(p3 == value.get_ptr<const test_type* const>());
|
|
CHECK(*p3 == Approx(value.get<test_type>()));
|
|
|
|
// check if null pointers are returned correctly
|
|
CHECK(value.get_ptr<const json::object_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::array_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::string_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_float_t*>() != nullptr);
|
|
CHECK(value.get_ptr<const json::binary_t*>() == nullptr);
|
|
}
|
|
|
|
SECTION("pointer access to const binary_t")
|
|
{
|
|
using test_type = const json::binary_t;
|
|
const json value = json::binary({1, 2, 3});
|
|
|
|
// check if pointers are returned correctly
|
|
test_type* p1 = value.get_ptr<test_type*>();
|
|
CHECK(p1 == value.get_ptr<test_type*>());
|
|
CHECK(*p1 == value.get<test_type>());
|
|
|
|
const test_type* p2 = value.get_ptr<const test_type*>();
|
|
CHECK(p2 == value.get_ptr<const test_type*>());
|
|
CHECK(*p2 == value.get<test_type>());
|
|
|
|
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
|
CHECK(p3 == value.get_ptr<const test_type* const>());
|
|
CHECK(*p3 == value.get<test_type>());
|
|
|
|
// check if null pointers are returned correctly
|
|
CHECK(value.get_ptr<const json::object_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::array_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::string_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::binary_t*>() != nullptr);
|
|
}
|
|
|
|
SECTION("pointer access to const binary_t")
|
|
{
|
|
using test_type = const json::binary_t;
|
|
const json value = json::binary({});
|
|
|
|
// check if pointers are returned correctly
|
|
test_type* p1 = value.get_ptr<test_type*>();
|
|
CHECK(p1 == value.get_ptr<test_type*>());
|
|
CHECK(*p1 == value.get<test_type>());
|
|
|
|
const test_type* p2 = value.get_ptr<const test_type*>();
|
|
CHECK(p2 == value.get_ptr<const test_type*>());
|
|
CHECK(*p2 == value.get<test_type>());
|
|
|
|
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
|
CHECK(p3 == value.get_ptr<const test_type* const>());
|
|
CHECK(*p3 == value.get<test_type>());
|
|
|
|
// check if null pointers are returned correctly
|
|
CHECK(value.get_ptr<const json::object_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::array_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::string_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::boolean_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_integer_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_unsigned_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::number_float_t*>() == nullptr);
|
|
CHECK(value.get_ptr<const json::binary_t*>() != nullptr);
|
|
}
|
|
}
|