6c06253b85
This PR fixes the erroneous internal capacity evaluation in `vector<bool>`, which caused a subsequent SIGSEGV error when calling `flip()` on `vector<bool>`. By fixing the internal capacity evaluation, the SIGSEGV is automatically resolved.
60 lines
1.6 KiB
C++
60 lines
1.6 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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// <vector>
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// void flip();
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#include <cassert>
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#include <memory>
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#include <vector>
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#include "min_allocator.h"
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#include "test_allocator.h"
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#include "test_macros.h"
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template <typename Allocator>
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TEST_CONSTEXPR_CXX20 void test_vector_flip(std::size_t n, Allocator a) {
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std::vector<bool, Allocator> v(n, false, a);
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for (std::size_t i = 0; i < n; ++i)
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v[i] = i & 1;
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std::vector<bool, Allocator> original = v;
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v.flip();
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for (size_t i = 0; i < n; ++i)
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assert(v[i] == !original[i]);
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v.flip();
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assert(v == original);
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}
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TEST_CONSTEXPR_CXX20 bool tests() {
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// Test empty vectors
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test_vector_flip(0, std::allocator<bool>());
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test_vector_flip(0, min_allocator<bool>());
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test_vector_flip(0, test_allocator<bool>(5));
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// Test small vectors with different allocators
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test_vector_flip(3, std::allocator<bool>());
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test_vector_flip(3, min_allocator<bool>());
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test_vector_flip(3, test_allocator<bool>(5));
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// Test large vectors with different allocators
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test_vector_flip(1000, std::allocator<bool>());
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test_vector_flip(1000, min_allocator<bool>());
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test_vector_flip(1000, test_allocator<bool>(5));
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return true;
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}
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int main(int, char**) {
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tests();
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#if TEST_STD_VER >= 20
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static_assert(tests());
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#endif
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return 0;
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}
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