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Fix clang-tidy 22 findings in unit-json_view.cpp and unit-json_view_builder.cpp

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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Niels Lohmann committed 2026-10-10 01:21:22 +02:00
1 parent 0effbaa7a2
commit d81b534bb2
2 files changed
+15 -14
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tests/src/unit-json_view.cpp
+13 -12
View File
@@ -66,7 +66,7 @@ struct oversized_input
using value_type = char;
std::size_t claimed;
const char* data() const
const char* data() const // NOLINT(readability-convert-member-functions-to-static): mimics a container
{
return "[1]";
}
@@ -363,13 +363,13 @@ TEST_CASE("json_view")
CHECK(json_document::parse(std::vector<char>(text.begin(), text.end())).owns_source());
// a const rvalue cannot be moved from, and is not borrowed (it may be a
// temporary): it is copied, as is a const rvalue of any container
const std::string const_text = text;
const std::string const_text = text; // NOLINT(performance-unnecessary-copy-initialization): the copy is the const rvalue under test
const json_document from_const_rvalue = json_document::parse(std::move(const_text)); // NOLINT(performance-move-const-arg,hicpp-move-const-arg)
CHECK(from_const_rvalue.owns_source());
CHECK(from_const_rvalue.source().data() != const_text.data());
CHECK(from_const_rvalue.root().materialize() == expected);
json_document read_const_rvalue;
read_const_rvalue.read(std::move(const_text)); // NOLINT(performance-move-const-arg,hicpp-move-const-arg)
read_const_rvalue.read(std::move(const_text)); // NOLINT(performance-move-const-arg,hicpp-move-const-arg,bugprone-use-after-move,hicpp-invalid-access-moved)
CHECK(read_const_rvalue.owns_source());
CHECK(read_const_rvalue.root().materialize() == expected);
const std::vector<char> const_chars(text.begin(), text.end());
@@ -744,7 +744,7 @@ TEST_CASE("json_view element access and iteration")
})
{
const std::string key(n, 'k');
const json_document dk = json_document::parse("{\"" + key + "\":1,\"" + key + "x\":2,\"" + key + "\":3,\"" + key + "\":4}");
const json_document dk = json_document::parse("{\"" + key + "\":1,\"" + key + "x\":2,\"" + key + "\":3,\"" + key + "\":4}"); // NOLINT(performance-inefficient-string-concatenation)
CAPTURE(n)
CHECK(dk.root()[key].materialize() == 1);
CHECK(dk.root().at(key).materialize() == 1);
@@ -1177,19 +1177,19 @@ TEST_CASE("json_view values")
switch (i % 5) // NOLINT(hicpp-multiway-paths-covered)
{
case 0:
std::snprintf(buf.data(), buf.size(), "%.17g", d); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
static_cast<void>(std::snprintf(buf.data(), buf.size(), "%.17g", d)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
break;
case 1:
std::snprintf(buf.data(), buf.size(), "%.15g", d); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
static_cast<void>(std::snprintf(buf.data(), buf.size(), "%.15g", d)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
break;
case 2:
std::snprintf(buf.data(), buf.size(), "%.3e", d); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
static_cast<void>(std::snprintf(buf.data(), buf.size(), "%.3e", d)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
break;
case 3:
std::snprintf(buf.data(), buf.size(), "%.25g", d); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
static_cast<void>(std::snprintf(buf.data(), buf.size(), "%.25g", d)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
break;
default:
std::snprintf(buf.data(), buf.size(), "%.0f", d); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
static_cast<void>(std::snprintf(buf.data(), buf.size(), "%.0f", d)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
break;
}
tokens.emplace_back(buf.data());
@@ -1500,10 +1500,10 @@ TEST_CASE("json_view dump")
{
chars += "\xC3\xA9";
}
const json_document d = json_document::parse("{\"a\":\"" + chars + R"(","k\n":1})");
const json_document d = json_document::parse(R"({"a":")" + chars + R"(","k\n":1})");
const json expected = json::parse("\"" + chars + "\"");
CHECK(d.root()["a"].dump(-1, ' ', true) == expected.dump(-1, ' ', true));
CHECK(d.root()["a"].dump(-1, ' ', true).size() == 2 + 5000 * 6);
CHECK(d.root()["a"].dump(-1, ' ', true).size() == 2 + (5000 * 6));
}
SECTION("streams and discarded views")
@@ -1595,7 +1595,7 @@ TEST_CASE("json_view comparison")
// discarded values compare as basic_json's do
const json discarded(json::value_t::discarded);
CHECK((json_view() == json_view()) == (discarded == discarded)); // NOLINT(readability-container-size-empty): operator== is tested
CHECK((json_view() == discarded) == (discarded == discarded));
CHECK((json_view() == discarded) == (discarded == discarded)); // NOLINT(readability-container-size-empty)
const json_document null_document = json_document::parse("null");
CHECK(!(json_view() == null_document.root())); // NOLINT(readability-container-size-empty)
CHECK(!(null_document.root() == discarded));
@@ -1684,6 +1684,7 @@ TEST_CASE("json_view large objects")
ordered.push_back(keys[i]);
}
std::vector<member> result;
result.reserve(ordered.size());
for (std::size_t i = 0; i < ordered.size(); ++i)
{
result.push_back({ordered[i], i});
tests/src/unit-json_view_builder.cpp
+2 -2
View File
@@ -302,7 +302,7 @@ TEST_CASE("json_view builder")
{
"1e39", "-1e39", "3.4028235e38", "-3.4028235e38", "3.4028236e38", "-3.4028236e38", "3.4028234663852886e38", "1e38",
"340282356779733661637539395458142568448", "340282356779733661637539395458142568447.99", "0.00034028236e42",
"[1.5e38, 3.5e38]", "{\"a\": 1e-50, \"b\": 1e39}"
"[1.5e38, 3.5e38]", R"({"a": 1e-50, "b": 1e39})"
})
{
CAPTURE(text)
@@ -419,7 +419,7 @@ TEST_CASE("json_view builder")
})
{
CAPTURE(name)
std::ifstream f(std::string(TEST_DATA_DIRECTORY) + name, std::ios::binary);
const std::ifstream f(std::string(TEST_DATA_DIRECTORY) + name, std::ios::binary);
std::stringstream ss;
ss << f.rdbuf();
const std::string text = ss.str();