a40bada91a
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
135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// template<class InputIterator>
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// basic_string(InputIterator begin, InputIterator end,
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// const Allocator& a = Allocator()); // constexpr since C++20
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#include <string>
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#include <iterator>
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#include <cassert>
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#include <cstddef>
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#include "test_macros.h"
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#include "test_allocator.h"
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#include "test_iterators.h"
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#include "min_allocator.h"
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template <class It>
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TEST_CONSTEXPR_CXX20 void test(It first, It last) {
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typedef typename std::iterator_traits<It>::value_type charT;
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typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
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typedef typename S::allocator_type A;
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S s2(first, last);
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LIBCPP_ASSERT(s2.__invariants());
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assert(s2.size() == static_cast<std::size_t>(std::distance(first, last)));
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unsigned i = 0;
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for (It it = first; it != last;) {
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assert(s2[i] == *it);
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++it;
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++i;
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}
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assert(s2.get_allocator() == A());
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assert(s2.capacity() >= s2.size());
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}
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template <class It, class A>
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TEST_CONSTEXPR_CXX20 void test(It first, It last, const A& a) {
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typedef typename std::iterator_traits<It>::value_type charT;
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typedef std::basic_string<charT, std::char_traits<charT>, A> S;
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S s2(first, last, a);
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LIBCPP_ASSERT(s2.__invariants());
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assert(s2.size() == static_cast<std::size_t>(std::distance(first, last)));
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unsigned i = 0;
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for (It it = first; it != last;) {
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assert(s2[i] == *it);
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++it;
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++i;
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}
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assert(s2.get_allocator() == a);
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assert(s2.capacity() >= s2.size());
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}
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TEST_CONSTEXPR_CXX20 bool test() {
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{
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typedef test_allocator<char> A;
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const char* s = "12345678901234567890123456789012345678901234567890";
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test(s, s);
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test(s, s, A(2));
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test(s, s + 1);
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test(s, s + 1, A(2));
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test(s, s + 10);
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test(s, s + 10, A(2));
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test(s, s + 50);
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test(s, s + 50, A(2));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s), A(2));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 1));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 1), A(2));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 10));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 10), A(2));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 50));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 50), A(2));
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}
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#if TEST_STD_VER >= 11
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{
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typedef min_allocator<char> A;
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const char* s = "12345678901234567890123456789012345678901234567890";
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test(s, s);
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test(s, s, A());
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test(s, s + 1);
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test(s, s + 1, A());
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test(s, s + 10);
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test(s, s + 10, A());
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test(s, s + 50);
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test(s, s + 50, A());
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s), A());
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 1));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 1), A());
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 10));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 10), A());
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 50));
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test(cpp17_input_iterator<const char*>(s), cpp17_input_iterator<const char*>(s + 50), A());
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}
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#endif
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{
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static_assert((!std::is_constructible<std::string, std::string, std::string>::value), "");
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static_assert((!std::is_constructible<std::string, std::string, std::string, std::allocator<char> >::value), "");
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}
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return true;
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}
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int main(int, char**) {
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test();
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#if TEST_STD_VER > 17
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static_assert(test());
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#endif
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return 0;
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}
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