You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string_view>
|
|
|
|
// template<class charT, class traits, class Allocator>
|
|
// constexpr bool operator==(const basic_string_view<charT,traits> lhs,
|
|
// const basic_string_view<charT,traits> rhs);
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "constexpr_char_traits.hpp"
|
|
|
|
template <class S>
|
|
void
|
|
test(S lhs, S rhs, bool x)
|
|
{
|
|
assert((lhs == rhs) == x);
|
|
assert((rhs == lhs) == x);
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
{
|
|
typedef std::string_view S;
|
|
test(S(""), S(""), true);
|
|
test(S(""), S("abcde"), false);
|
|
test(S(""), S("abcdefghij"), false);
|
|
test(S(""), S("abcdefghijklmnopqrst"), false);
|
|
test(S("abcde"), S(""), false);
|
|
test(S("abcde"), S("abcde"), true);
|
|
test(S("abcde"), S("abcdefghij"), false);
|
|
test(S("abcde"), S("abcdefghijklmnopqrst"), false);
|
|
test(S("abcdefghij"), S(""), false);
|
|
test(S("abcdefghij"), S("abcde"), false);
|
|
test(S("abcdefghij"), S("abcdefghij"), true);
|
|
test(S("abcdefghij"), S("abcdefghijklmnopqrst"), false);
|
|
test(S("abcdefghijklmnopqrst"), S(""), false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcde"), false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), true);
|
|
}
|
|
|
|
#if TEST_STD_VER > 11
|
|
{
|
|
typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
|
|
constexpr SV sv1;
|
|
constexpr SV sv2;
|
|
constexpr SV sv3 { "abcde", 5 };
|
|
static_assert ( sv1 == sv2, "" );
|
|
static_assert (!(sv1 == sv3), "" );
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|