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Merge branch 'json-view/10-view-document' into json-view/11-view-access

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Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-29 22:39:38 +02:00
parent daad8ea9b5 a8e9ce9417
commit 0dfd1c938e
5 changed files with 55 additions and 17 deletions
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15
tests/src/unit-json_view.cpp
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@@ -32,6 +32,7 @@ using nlohmann::ordered_json_view;
namespace
{
#if !defined(JSON_NOEXCEPTION)
// the exception parse() throws for a text, or "" if it accepts it
std::string parse_exception(const std::string& text, bool comments = false, bool trailing_commas = false)
{
@@ -60,6 +61,7 @@ std::string view_exception(const std::string& text, bool comments = false, bool
}
return "";
}
#endif
// a small deterministic generator of documents
struct generator
@@ -149,7 +151,7 @@ TEST_CASE("json_view")
CHECK(v.materialize() == j);
}
const json_view invalid;
const json_view invalid{};
CHECK(invalid.is_discarded());
CHECK(!static_cast<bool>(invalid));
CHECK(invalid.type() == json::value_t::discarded);
@@ -194,9 +196,11 @@ TEST_CASE("json_view")
})
{
CAPTURE(text);
#if !defined(JSON_NOEXCEPTION)
const std::string expected = parse_exception(text);
REQUIRE(!expected.empty());
CHECK(view_exception(text) == expected);
#endif
CHECK(!json_document::accept(text));
const json_document d = json_document::parse(text, false);
CHECK(d.is_discarded());
@@ -204,8 +208,9 @@ TEST_CASE("json_view")
CHECK(d.node_count() == 0);
}
// the exception types
CHECK_THROWS_AS(json_document::parse("[1,"), json::parse_error&);
CHECK_THROWS_AS(json_document::parse("1e400"), json::out_of_range&);
json_document _;
CHECK_THROWS_AS(_ = json_document::parse("[1,"), json::parse_error&);
CHECK_THROWS_AS(_ = json_document::parse("1e400"), json::out_of_range&);
}
SECTION("parse options")
@@ -220,7 +225,9 @@ TEST_CASE("json_view")
const bool comments = (options & 1) != 0;
const bool trailing_commas = (options & 2) != 0;
CHECK(json_document::accept(text, comments, trailing_commas) == json::accept(text, comments, trailing_commas));
#if !defined(JSON_NOEXCEPTION)
CHECK(view_exception(text, comments, trailing_commas) == parse_exception(text, comments, trailing_commas));
#endif
}
}
}
@@ -232,7 +239,9 @@ TEST_CASE("json_view")
const std::string nul_in_comment("[1, // c\0\n2]", 12);
CHECK(json_document::accept(nul_in_comment, true) == json::accept(nul_in_comment, true));
CHECK(json_document::parse("\xEF\xBB\xBF[1]").root().materialize() == json::parse("\xEF\xBB\xBF[1]"));
#if !defined(JSON_NOEXCEPTION)
CHECK(view_exception("\xEF\xBB") == parse_exception("\xEF\xBB"));
#endif
}
SECTION("inputs")