66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
||
|
|
// Source Licenses. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
|
||
|
|
// <string_view>
|
||
|
|
|
||
|
|
// template<class Allocator>
|
||
|
|
// basic_string_view(const basic_string<_CharT, _Traits, Allocator>& _str) noexcept
|
||
|
|
|
||
|
|
|
||
|
|
#include <string_view>
|
||
|
|
#include <string>
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
|
||
|
|
struct dummy_char_traits : public std::char_traits<char> {};
|
||
|
|
|
||
|
|
template<typename CharT, typename Traits>
|
||
|
|
void test ( const std::basic_string<CharT, Traits> &str ) {
|
||
|
|
typedef std::basic_string_view<CharT, Traits> SV;
|
||
|
|
ASSERT_NOEXCEPT(SV(str));
|
||
|
|
|
||
|
|
SV sv1 ( str );
|
||
|
|
assert ( sv1.size() == str.size());
|
||
|
|
assert ( sv1.data() == str.data());
|
||
|
|
}
|
||
|
|
|
||
|
|
int main () {
|
||
|
|
|
||
|
|
test ( std::string("QBCDE") );
|
||
|
|
test ( std::string("") );
|
||
|
|
test ( std::string() );
|
||
|
|
|
||
|
|
test ( std::wstring(L"QBCDE") );
|
||
|
|
test ( std::wstring(L"") );
|
||
|
|
test ( std::wstring() );
|
||
|
|
|
||
|
|
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
|
||
|
|
test ( std::u8string{u8"QBCDE"} );
|
||
|
|
test ( std::u8string{u8""} );
|
||
|
|
test ( std::u8string{} );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if TEST_STD_VER >= 11
|
||
|
|
test ( std::u16string{u"QBCDE"} );
|
||
|
|
test ( std::u16string{u""} );
|
||
|
|
test ( std::u16string{} );
|
||
|
|
|
||
|
|
test ( std::u32string{U"QBCDE"} );
|
||
|
|
test ( std::u32string{U""} );
|
||
|
|
test ( std::u32string{} );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
test ( std::basic_string<char, dummy_char_traits>("QBCDE") );
|
||
|
|
test ( std::basic_string<char, dummy_char_traits>("") );
|
||
|
|
test ( std::basic_string<char, dummy_char_traits>() );
|
||
|
|
|
||
|
|
}
|