a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.2 KiB
C++
56 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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// type_traits
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// is_nothrow_assignable
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#include <type_traits>
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template <class T, class U>
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void test_is_nothrow_assignable()
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{
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static_assert(( std::is_nothrow_assignable<T, U>::value), "");
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}
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template <class T, class U>
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void test_is_not_nothrow_assignable()
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{
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static_assert((!std::is_nothrow_assignable<T, U>::value), "");
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}
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struct A
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{
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};
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struct B
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{
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void operator=(A);
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};
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struct C
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{
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void operator=(C&); // not const
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};
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int main()
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{
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test_is_nothrow_assignable<int&, int&> ();
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test_is_nothrow_assignable<int&, int> ();
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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test_is_nothrow_assignable<int&, double> ();
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#endif
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test_is_not_nothrow_assignable<int, int&> ();
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test_is_not_nothrow_assignable<int, int> ();
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test_is_not_nothrow_assignable<B, A> ();
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test_is_not_nothrow_assignable<A, B> ();
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test_is_not_nothrow_assignable<C, C&> ();
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}
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