forked from OSchip/llvm-project
36 lines
1.1 KiB
C++
36 lines
1.1 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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// <string>
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// template<> struct char_traits<char32_t>
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// static char_type* move(char_type* s1, const char_type* s2, size_t n);
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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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char32_t s1[] = {1, 2, 3};
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assert(std::char_traits<char32_t>::move(s1, s1+1, 2) == s1);
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assert(s1[0] == char32_t(2));
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assert(s1[1] == char32_t(3));
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assert(s1[2] == char32_t(3));
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s1[2] = char32_t(0);
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assert(std::char_traits<char32_t>::move(s1+1, s1, 2) == s1+1);
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assert(s1[0] == char32_t(2));
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assert(s1[1] == char32_t(2));
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assert(s1[2] == char32_t(3));
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assert(std::char_traits<char32_t>::move(NULL, s1, 0) == NULL);
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assert(std::char_traits<char32_t>::move(s1, NULL, 0) == s1);
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#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
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}
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