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Add is_unordered_range_test2

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This commit is contained in:
Peter Dimov
2022-09-18 14:32:28 +03:00
parent bf0a77f062
commit ed235989ef
2 changed files with 61 additions and 0 deletions
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1
test/Jamfile.v2
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@@ -100,3 +100,4 @@ run hash_unordered_map_test.cpp ;
run is_range_test3.cpp ;
run is_contiguous_range_test2.cpp ;
run is_unordered_range_test2.cpp ;

60
test/is_unordered_range_test2.cpp Normal file
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@@ -0,0 +1,60 @@
// Copyright 2022 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/type_traits/integral_constant.hpp>
#include <cstddef>
struct X1
{
char const* begin() const;
char const* end() const;
typedef void hasher;
};
struct X2
{
char const* begin() const;
char const* end() const;
typedef void hasher;
};
struct X3
{
char const* begin() const;
char const* end() const;
typedef void hasher;
};
namespace boost
{
namespace container_hash
{
template<class T> struct is_unordered_range;
template<> struct is_unordered_range<X2>: boost::false_type {};
template<class T> struct is_range;
template<> struct is_range<X3>: boost::false_type {};
} // namespace container_hash
} // namespace boost
#include <boost/container_hash/is_unordered_range.hpp>
#include <boost/core/lightweight_test_trait.hpp>
int main()
{
using boost::container_hash::is_unordered_range;
#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
BOOST_TEST_TRAIT_TRUE((is_unordered_range<X1>));
#endif
BOOST_TEST_TRAIT_FALSE((is_unordered_range<X2>));
BOOST_TEST_TRAIT_FALSE((is_unordered_range<X3>));
return boost::report_errors();
}