| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <string> |
| 10 | |
| 11 | // basic_string(const basic_string<charT,traits,Allocator>& str); // constexpr since C++20 |
| 12 | |
| 13 | #include <string> |
| 14 | #include <cassert> |
| 15 | |
| 16 | #include "test_macros.h" |
| 17 | #include "test_allocator.h" |
| 18 | #include "min_allocator.h" |
| 19 | #include "asan_testing.h" |
| 20 | |
| 21 | template <class S> |
| 22 | TEST_CONSTEXPR_CXX20 void test(S s1) { |
| 23 | S s2 = s1; |
| 24 | LIBCPP_ASSERT(s2.__invariants()); |
| 25 | assert(s2 == s1); |
| 26 | assert(s2.capacity() >= s2.size()); |
| 27 | assert(s2.get_allocator() == s1.get_allocator()); |
| 28 | LIBCPP_ASSERT(is_string_asan_correct(s1)); |
| 29 | LIBCPP_ASSERT(is_string_asan_correct(s2)); |
| 30 | } |
| 31 | |
| 32 | template <class Alloc> |
| 33 | TEST_CONSTEXPR_CXX20 void test_string(const Alloc& a) { |
| 34 | typedef std::basic_string<char, std::char_traits<char>, Alloc> S; |
| 35 | test(S(Alloc(a))); |
| 36 | test(S("1" , Alloc(a))); |
| 37 | test(S("1234567890123456789012345678901234567890123456789012345678901234567890" , Alloc(a))); |
| 38 | } |
| 39 | |
| 40 | TEST_CONSTEXPR_CXX20 bool test() { |
| 41 | test_string(std::allocator<char>()); |
| 42 | test_string(test_allocator<char>()); |
| 43 | test_string(test_allocator<char>(3)); |
| 44 | #if TEST_STD_VER >= 11 |
| 45 | test_string(min_allocator<char>()); |
| 46 | test_string(safe_allocator<char>()); |
| 47 | #endif |
| 48 | |
| 49 | return true; |
| 50 | } |
| 51 | |
| 52 | int main(int, char**) { |
| 53 | test(); |
| 54 | #if TEST_STD_VER > 17 |
| 55 | static_assert(test()); |
| 56 | #endif |
| 57 | |
| 58 | return 0; |
| 59 | } |
| 60 | |