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//===----------------------------------------------------------------------===//
//
// 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>
// vector<bool>
// void reserve(size_type n);
#include <vector>
#include <cassert>
#include <stdexcept>
#include "test_macros.h"
#include "min_allocator.h"
#include "test_allocator.h"
TEST_CONSTEXPR_CXX20 bool tests() {
{
std::vector<bool> v;
v.reserve(10);
assert(v.capacity() >= 10);
}
{
std::vector<bool> v(100);
assert(v.capacity() >= 100);
v.reserve(50);
assert(v.size() == 100);
assert(v.capacity() >= 100);
v.reserve(150);
assert(v.size() == 100);
assert(v.capacity() >= 150);
}
#if TEST_STD_VER >= 11
{
std::vector<bool, min_allocator<bool>> v;
v.reserve(10);
assert(v.capacity() >= 10);
}
{
std::vector<bool, explicit_allocator<bool>> v;
v.reserve(10);
assert(v.capacity() >= 10);
}
{
std::vector<bool, min_allocator<bool>> v(100);
assert(v.capacity() >= 100);
v.reserve(50);
assert(v.size() == 100);
assert(v.capacity() >= 100);
v.reserve(150);
assert(v.size() == 100);
assert(v.capacity() >= 150);
}
#endif
#ifndef TEST_HAS_NO_EXCEPTIONS
if (!TEST_IS_CONSTANT_EVALUATED) {
std::vector<bool, limited_allocator<bool, 10> > v;
v.reserve(5);
try {
// A typical implementation would allocate chunks of bits.
// In libc++ the chunk has the same size as the machine word. It is
// reasonable to assume that in practice no implementation would use
// 64 kB or larger chunks.
v.reserve(10 * 65536);
assert(false);
} catch (const std::length_error&) {
// no-op
}
assert(v.capacity() >= 5);
}
#endif
return true;
}
int main(int, char**) {
tests();
#if TEST_STD_VER > 17
static_assert(tests());
#endif
return 0;
}
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