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json_view: exceptions name the path and the bytes of the value (#5974)

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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Niels Lohmann authored and GitHub committed 2026-11-01 17:25:26 +01:00
1 parent f022e3c59c
commit ddc34f546a
25 files changed
+1600 -696
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tests/src/unit-json_view_from_json.cpp
+4 -7
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@@ -338,8 +338,7 @@ TEST_CASE("json_view from_json")
CHECK(d.root().get<std::unordered_map<std::string, int>>().at("a") == 3);
}
// (the exceptions of views have neither the path nor the byte range of the value)
#if !defined(JSON_NOEXCEPTION) && !JSON_DIAGNOSTICS && !JSON_DIAGNOSTIC_POSITIONS
#if !defined(JSON_NOEXCEPTION)
SECTION("std types: the same errors as from the materialized value")
{
const json_document d = json_document::parse(R"([[1, "x"], {"a": 1}, "text", [1], 5, null])");
@@ -404,10 +403,10 @@ TEST_CASE("json_view from_json")
CHECK(d.root()[4].get<strict_color>() == strict_color::red);
#if !defined(JSON_NOEXCEPTION)
const json j = d.root().materialize();
CHECK(exception_of_call([&] { static_cast<void>(d.root()[2].get<strict_color>()); }) == "[json.exception.out_of_range.410] enum value out of range for strict_color: \"purple\"");
#if !JSON_DIAGNOSTICS && !JSON_DIAGNOSTIC_POSITIONS
CHECK(exception_of_call([&] { static_cast<void>(d.root()[2].get<strict_color>()); }) == exception_of_call([&] { static_cast<void>(j[2].get<strict_color>()); }));
CHECK(exception_of_call([&] { static_cast<void>(d.root()[2].get<strict_color>()); }) == "[json.exception.out_of_range.410] enum value out of range for strict_color: \"purple\"");
#endif
CHECK(exception_of_call([&] { static_cast<void>(d.root()[2].get<strict_color>()); }) == exception_of_call([&] { static_cast<void>(j[2].get<strict_color>()); }));
#endif
}
@@ -477,11 +476,9 @@ TEST_CASE("json_view from_json")
CHECK(o.root().get<shape>().center.y == 2);
}
#if !defined(JSON_NOEXCEPTION) && !JSON_DIAGNOSTICS && !JSON_DIAGNOSTIC_POSITIONS
#if !defined(JSON_NOEXCEPTION)
SECTION("errors are those of the same conversion of a json value")
{
// (with JSON_DIAGNOSTICS, those of json name the path of the value,
// and with JSON_DIAGNOSTIC_POSITIONS its bytes)
const json_document d = json_document::parse(R"([{"x": 1}, {"x": "1", "y": 2}, [1, 2], {"id": "7", "c": "red"}])");
const json j = d.root().materialize();
for (std::size_t i = 0; i < 3; ++i)