//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed
// UNSUPPORTED: availability-pmr-missing
// <memory_resource>
// class monotonic_buffer_resource
#include <memory_resource>
#include <cassert>
#include "count_new.h"
#include "test_macros.h"
void test(std::size_t initial_buffer_size) {
globalMemCounter.reset();
auto mono1 = std::pmr::monotonic_buffer_resource(initial_buffer_size, std::pmr::new_delete_resource());
assert(globalMemCounter.checkNewCalledEq(0));
(void)mono1.allocate(1, 1);
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkNewCalledEq(1));
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkLastNewSizeGe(initial_buffer_size));
(void)mono1.allocate(initial_buffer_size - 1, 1);
ASSERT_WITH_LIBRARY_INTERNAL_ALLOCATIONS(globalMemCounter.checkNewCalledEq(1));
}
int main(int, char**) {
test(1);
test(8);
test(10);
test(100);
test(256);
test(1000);
test(1024);
test(1000000);
assert(globalMemCounter.checkOutstandingNewEq(0));
return 0;
}