1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <vector>
// void flip();
#include <cassert>
#include <memory>
#include <vector>
#include "min_allocator.h"
#include "test_allocator.h"
#include "test_macros.h"
template <typename Allocator>
TEST_CONSTEXPR_CXX20 void test_vector_flip(std::size_t n, Allocator a) {
std::vector<bool, Allocator> v(n, false, a);
for (std::size_t i = 0; i < n; ++i)
v[i] = i & 1;
std::vector<bool, Allocator> original = v;
v.flip();
for (size_t i = 0; i < n; ++i)
assert(v[i] == !original[i]);
v.flip();
assert(v == original);
}
TEST_CONSTEXPR_CXX20 bool tests() {
// Test empty vectors
test_vector_flip(0, std::allocator<bool>());
test_vector_flip(0, min_allocator<bool>());
test_vector_flip(0, test_allocator<bool>(5));
// Test small vectors with different allocators
test_vector_flip(3, std::allocator<bool>());
test_vector_flip(3, min_allocator<bool>());
test_vector_flip(3, test_allocator<bool>(5));
// Test large vectors with different allocators
test_vector_flip(1000, std::allocator<bool>());
test_vector_flip(1000, min_allocator<bool>());
test_vector_flip(1000, test_allocator<bool>(5));
return true;
}
int main(int, char**) {
tests();
#if TEST_STD_VER >= 20
static_assert(tests());
#endif
return 0;
}
|