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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// <string_view>
// constexpr bool contains(string_view x) const noexcept;
#include <string_view>
#include <cassert>
#include "test_macros.h"
constexpr bool test()
{
using SV = std::string_view;
const char* s = "abcde";
SV sv0;
SV sv1 {s + 1, 1};
SV sv2 {s + 1, 2};
SV sv3 {s + 1, 3};
SV sv4 {s + 1, 4};
SV sv5 {s , 5};
SV svNot {"xyz", 3};
SV svNot2 {"bd" , 2};
SV svNot3 {"dcb", 3};
ASSERT_NOEXCEPT(sv0.contains(sv0));
assert( sv0.contains(sv0));
assert(!sv0.contains(sv1));
assert( sv1.contains(sv0));
assert( sv1.contains(sv1));
assert(!sv1.contains(sv2));
assert(!sv1.contains(sv3));
assert(!sv1.contains(sv4));
assert(!sv1.contains(sv5));
assert(!sv1.contains(svNot));
assert(!sv1.contains(svNot2));
assert(!sv1.contains(svNot3));
assert( sv3.contains(sv0));
assert( sv3.contains(sv1));
assert( sv3.contains(sv2));
assert( sv3.contains(sv3));
assert(!sv3.contains(sv4));
assert(!sv3.contains(sv5));
assert(!sv3.contains(svNot));
assert(!sv3.contains(svNot2));
assert(!sv3.contains(svNot3));
assert( sv5.contains(sv0));
assert( sv5.contains(sv1));
assert( sv5.contains(sv2));
assert( sv5.contains(sv3));
assert( sv5.contains(sv4));
assert( sv5.contains(sv5));
assert(!sv5.contains(svNot));
assert(!sv5.contains(svNot2));
assert(!sv5.contains(svNot3));
assert( svNot.contains(sv0));
assert(!svNot.contains(sv1));
assert(!svNot.contains(sv2));
assert(!svNot.contains(sv3));
assert(!svNot.contains(sv4));
assert(!svNot.contains(sv5));
assert( svNot.contains(svNot));
assert(!svNot.contains(svNot2));
assert(!svNot.contains(svNot3));
return true;
}
int main(int, char**)
{
test();
static_assert(test());
return 0;
}
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