forked from OSchip/llvm-project
64 lines
1.8 KiB
C++
64 lines
1.8 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_view>
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// template<class _Allocator>
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// explicit operator basic_string<_CharT, _Traits, _Allocator>() const
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#include <experimental/string_view>
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#include <cassert>
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template<typename CharT>
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void test ( const CharT *s ) {
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typedef std::experimental::basic_string_view<CharT> string_view_t;
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typedef std::basic_string<CharT> string_t;
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{
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string_view_t sv1 ( s );
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string_t str = (string_t) sv1;
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assert ( sv1.size() == str.size ());
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assert ( std::char_traits<CharT>::compare ( sv1.data(), str.data(), sv1.size()) == 0 );
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}
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{
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string_view_t sv1;
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string_t str = (string_t) sv1;
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assert ( sv1.size() == 0);
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assert ( sv1.size() == str.size ());
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}
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}
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int main () {
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test ( "ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
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test ( "ABCDE");
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test ( "a" );
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test ( "" );
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test ( L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
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test ( L"ABCDE" );
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test ( L"a" );
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test ( L"" );
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#if __cplusplus >= 201103L
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test ( u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
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test ( u"ABCDE" );
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test ( u"a" );
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test ( u"" );
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test ( U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
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test ( U"ABCDE" );
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test ( U"a" );
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test ( U"" );
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#endif
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}
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