68 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <string>10 11// basic_string<charT,traits,Allocator>&12// operator=(const charT* s); // constexpr since C++2013 14#include <string>15#include <cassert>16 17#include "test_macros.h"18#include "min_allocator.h"19#include "asan_testing.h"20 21template <class S>22TEST_CONSTEXPR_CXX20 void test(S s1, const typename S::value_type* s2) {23 typedef typename S::traits_type T;24 s1 = s2;25 LIBCPP_ASSERT(s1.__invariants());26 assert(s1.size() == T::length(s2));27 assert(T::compare(s1.data(), s2, s1.size()) == 0);28 assert(s1.capacity() >= s1.size());29 LIBCPP_ASSERT(is_string_asan_correct(s1));30}31 32template <class S>33TEST_CONSTEXPR_CXX20 void test_string() {34 test(S(), "");35 test(S("1"), "");36 test(S(), "1");37 test(S("1"), "2");38 test(S("1"), "2");39 40 test(S(), "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");41 test(S("123456789"), "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");42 test(S("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"), "123456789");43 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),44 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");45 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"46 "1234567890123456789012345678901234567890123456789012345678901234567890"),47 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");48}49 50TEST_CONSTEXPR_CXX20 bool test() {51 test_string<std::string>();52#if TEST_STD_VER >= 1153 test_string<std::basic_string<char, std::char_traits<char>, min_allocator<char>>>();54 test_string<std::basic_string<char, std::char_traits<char>, safe_allocator<char>>>();55#endif56 57 return true;58}59 60int main(int, char**) {61 test();62#if TEST_STD_VER > 1763 static_assert(test());64#endif65 66 return 0;67}68