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46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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// not_equal_to
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#include <functional>
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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int main()
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{
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typedef std::not_equal_to<int> F;
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const F f = F();
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static_assert((std::is_same<int, F::first_argument_type>::value), "" );
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static_assert((std::is_same<int, F::second_argument_type>::value), "" );
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static_assert((std::is_same<bool, F::result_type>::value), "" );
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assert(!f(36, 36));
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assert(f(36, 6));
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#if TEST_STD_VER > 11
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typedef std::not_equal_to<> F2;
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const F2 f2 = F2();
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assert(!f2(36, 36));
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assert( f2(36, 6));
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assert( f2(36, 6.0));
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assert( f2(36.0, 6));
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assert(!f2(36.0, 36));
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assert(!f2(36, 36.0));
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constexpr bool foo = std::not_equal_to<int> () (36, 36);
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static_assert ( !foo, "" );
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constexpr bool bar = std::not_equal_to<> () (36.0, 36);
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static_assert ( !bar, "" );
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#endif
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}
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