chromium/components/gwp_asan/client/lightweight_detector/malloc_shims_unittest.cc

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "base/test/multiprocess_test.h"
#include "base/test/task_environment.h"
#include "base/test/test_timeouts.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/crash/core/common/crash_key.h"
#include "components/gwp_asan/client/lightweight_detector/partitionalloc_shims.h"
#include "components/gwp_asan/client/lightweight_detector/poison_metadata_recorder.h"
#include "components/gwp_asan/client/lightweight_detector/random_eviction_quarantine.h"
#include "components/gwp_asan/common/lightweight_detector_state.h"
#include "partition_alloc/shim/allocator_shim.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"

// These tests install global malloc hooks so they are not safe to run
// in multi-threaded contexts. Instead they're implemented as multi-process
// tests.

namespace gwp_asan::internal::lud {

namespace {

constexpr int kSuccess = …;
constexpr int kFailure = …;

// Leave enough space to catch the test allocation, considering potential
// implicit allocations.
constexpr size_t kMaxAllocationCount = …;
constexpr size_t kMaxTotalSize = …;
constexpr size_t kTotalSizeHighWaterMark = …;
constexpr size_t kTotalSizeLowWaterMark = …;
constexpr size_t kEvictionChunkSize = …;
constexpr size_t kEvictionTaskIntervalMs = …;

// Sample every allocation.
constexpr size_t kSamplingFrequency = …;

}  // namespace

class MallocShimsTest : public base::MultiProcessTest { … };

MULTIPROCESS_TEST_MAIN(MallocShimsTest_Basic) { … }

TEST_F(MallocShimsTest, Basic) { … }

}  // namespace gwp_asan::internal::lud