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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <memory>
#include "gtest/gtest.h"
#include "partition_alloc/partition_alloc_buildflags.h"
#include "partition_alloc/pointers/raw_ptr.h"
namespace dawn {
namespace {
// Check Dawn is configured to crash when a raw_ptr becomes dangling.
TEST(RawPtrTests, DanglingPointerCauseCrash) {
std::unique_ptr<bool> owner = std::make_unique<bool>(true);
raw_ptr<bool> ptr = owner.get();
(void)ptr; // Unused
ASSERT_DEATH_IF_SUPPORTED(
{
owner.reset(); // DanglingRawPtrDetectedFn handler => no-op.
ptr = nullptr; // DanglingRawPtrReleasedFn handler => crash.
},
"DanglingPointerDetector: A pointer was dangling!");
}
// The flag `DisableDanglingPtrDetection` must allow a raw_ptr to dangle.
TEST(RawPtrTests, DisableDanglingPtrDetection) {
std::unique_ptr<bool> owner = std::make_unique<bool>(true);
raw_ptr<bool, DisableDanglingPtrDetection> ptr = owner.get();
(void)ptr; // Unused
owner.reset();
}
// The flag `DanglingUntriaged` must allow a raw_ptr to dangle.
TEST(RawPtrTests, DanglingUntriaged) {
std::unique_ptr<bool> owner = std::make_unique<bool>(true);
raw_ptr<bool, DanglingUntriaged> ptr = owner.get();
(void)ptr; // Unused
owner.reset();
}
} // anonymous namespace
} // namespace dawn