You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.6 KiB
77 lines
1.6 KiB
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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>
|
|
|
|
// void swap(basic_string_view& _other) noexcept
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template<typename CharT>
|
|
void test ( const CharT *s, size_t len ) {
|
|
typedef std::basic_string_view<CharT> SV;
|
|
{
|
|
SV sv1(s);
|
|
SV sv2;
|
|
|
|
assert ( sv1.size() == len );
|
|
assert ( sv1.data() == s );
|
|
assert ( sv2.size() == 0 );
|
|
|
|
sv1.swap ( sv2 );
|
|
assert ( sv1.size() == 0 );
|
|
assert ( sv2.size() == len );
|
|
assert ( sv2.data() == s );
|
|
}
|
|
|
|
}
|
|
|
|
#if TEST_STD_VER > 11
|
|
constexpr size_t test_ce ( size_t n, size_t k ) {
|
|
typedef std::basic_string_view<char> SV;
|
|
SV sv1{ "ABCDEFGHIJKL", n };
|
|
SV sv2 { sv1.data(), k };
|
|
sv1.swap ( sv2 );
|
|
return sv1.size();
|
|
}
|
|
#endif
|
|
|
|
|
|
int main () {
|
|
test ( "ABCDE", 5 );
|
|
test ( "a", 1 );
|
|
test ( "", 0 );
|
|
|
|
test ( L"ABCDE", 5 );
|
|
test ( L"a", 1 );
|
|
test ( L"", 0 );
|
|
|
|
#if TEST_STD_VER >= 11
|
|
test ( u"ABCDE", 5 );
|
|
test ( u"a", 1 );
|
|
test ( u"", 0 );
|
|
|
|
test ( U"ABCDE", 5 );
|
|
test ( U"a", 1 );
|
|
test ( U"", 0 );
|
|
#endif
|
|
|
|
#if TEST_STD_VER > 11
|
|
{
|
|
static_assert ( test_ce (2, 3) == 3, "" );
|
|
static_assert ( test_ce (5, 3) == 3, "" );
|
|
static_assert ( test_ce (0, 1) == 1, "" );
|
|
}
|
|
#endif
|
|
}
|