Brendan Emery a40bada91a [libc++] Apply clang formatting to all string unit tests
This applies clang-format to the std::string unit tests in preparation
for landing https://reviews.llvm.org/D140550.

Differential Revision: https://reviews.llvm.org/D140612
2023-09-01 13:35:18 -04:00

67 lines
2.0 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <string>
// basic_string<charT,traits,Allocator>&
// operator=(basic_string<charT,traits,Allocator>&& str); // constexpr since C++20
#include <string>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
template <class S>
TEST_CONSTEXPR_CXX20 void test(S s1, S s2) {
S s0 = s2;
s1 = std::move(s2);
LIBCPP_ASSERT(s1.__invariants());
LIBCPP_ASSERT(s2.__invariants());
assert(s1 == s0);
assert(s1.capacity() >= s1.size());
}
template <class S>
TEST_CONSTEXPR_CXX20 void test_string() {
test(S(), S());
test(S("1"), S());
test(S(), S("1"));
test(S("1"), S("2"));
test(S("1"), S("2"));
test(S(), S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("123456789"), S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890123456789012345678901234567890"),
S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
}
TEST_CONSTEXPR_CXX20 bool test() {
test_string<std::string>();
#if TEST_STD_VER >= 11
test_string<std::basic_string<char, std::char_traits<char>, min_allocator<char>>>();
#endif
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}