a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
924 B
C++
31 lines
924 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 size_t length(const char_type* s);
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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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assert(std::char_traits<char32_t>::length(U"") == 0);
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assert(std::char_traits<char32_t>::length(U"a") == 1);
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assert(std::char_traits<char32_t>::length(U"aa") == 2);
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assert(std::char_traits<char32_t>::length(U"aaa") == 3);
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assert(std::char_traits<char32_t>::length(U"aaaa") == 4);
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#endif
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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}
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