a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
774 B
C++
29 lines
774 B
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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// <string>
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// template<> struct char_traits<char32_t>
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// static constexpr bool lt(char_type c1, char_type c2);
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#include <string>
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#include <cassert>
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
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#if __cplusplus >= 201103L
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char32_t c = U'\0';
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assert(!std::char_traits<char32_t>::lt(U'a', U'a'));
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assert( std::char_traits<char32_t>::lt(U'A', U'a'));
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#endif
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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}
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