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Fix ordered_map ctor with initializer_list (#3370)

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One of the ordered_map constructors was incorrectly accepting a
std::initializer_list<T> instead of std::initializer_list<value_type>.

Add regression test.

Fixes #3343.
This commit is contained in:
Florian Albrechtskirchinger 2022-03-07 13:41:35 +01:00 committed by GitHub
parent c6d8892e5d
commit 0fd95d2e28
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 2 deletions
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2
include/nlohmann/ordered_map.hpp
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@ -34,7 +34,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
template <class It>
ordered_map(It first, It last, const Allocator& alloc = Allocator())
: Container{first, last, alloc} {}
ordered_map(std::initializer_list<T> init, const Allocator& alloc = Allocator() )
ordered_map(std::initializer_list<value_type> init, const Allocator& alloc = Allocator() )
: Container{init, alloc} {}
std::pair<iterator, bool> emplace(const key_type& key, T&& t)

2
single_include/nlohmann/json.hpp
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@ -17070,7 +17070,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
template <class It>
ordered_map(It first, It last, const Allocator& alloc = Allocator())
: Container{first, last, alloc} {}
ordered_map(std::initializer_list<T> init, const Allocator& alloc = Allocator() )
ordered_map(std::initializer_list<value_type> init, const Allocator& alloc = Allocator() )
: Container{init, alloc} {}
std::pair<iterator, bool> emplace(const key_type& key, T&& t)

12
test/src/unit-regression2.cpp
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@ -835,6 +835,18 @@ TEST_CASE("regression tests 2")
CHECK(j.dump() == "[1,4]");
}
SECTION("issue #3343 - json and ordered_json are not interchangable")
{
json::object_t jobj({ { "product", "one" } });
ordered_json::object_t ojobj({{"product", "one"}});
auto jit = jobj.begin();
auto ojit = ojobj.begin();
CHECK(jit->first == ojit->first);
CHECK(jit->second.get<std::string>() == ojit->second.get<std::string>());
}
}
DOCTEST_CLANG_SUPPRESS_WARNING_POP