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// 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 "components/stability_report/user_stream_data_source_win.h"
#include <memory>
#include <tuple>
#include <utility>
#include "base/process/memory.h"
#include "base/process/process.h"
#include "components/stability_report/stability_report.pb.h"
#include "components/stability_report/test/stability_report_reader.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/crashpad/crashpad/snapshot/test/test_exception_snapshot.h"
#include "third_party/crashpad/crashpad/snapshot/test/test_process_snapshot.h"
namespace stability_report {
namespace {
constexpr uint64_t kExpectedAllocationAttempt = 12345;
using ::testing::Bool;
using ::testing::Combine;
using ::testing::TestWithParam;
using ::testing::Values;
enum class ExceptionCode {
// No ExceptionSnapshot.
kNone,
// ExceptionSnapshot has a non-OOM code.
kNotOOM,
// ExceptionSnapshot with kOomExceptionCode and allocation info in Codes().
kOOMWithAllocation,
// ExceptionSnapshot with kOomExceptionCode but no allocation info in Codes().
kOOMWithoutAllocation,
};
class StabilityReportUserStreamDataSourceTest
: public TestWithParam<std::tuple<bool, ExceptionCode>> {
protected:
StabilityReportUserStreamDataSourceTest() {
std::tie(is_valid_process_, exception_code_) = GetParam();
}
bool is_valid_process_;
ExceptionCode exception_code_;
};
INSTANTIATE_TEST_SUITE_P(All,
StabilityReportUserStreamDataSourceTest,
Combine(Bool(),
Values(ExceptionCode::kNone,
ExceptionCode::kNotOOM,
ExceptionCode::kOOMWithAllocation,
ExceptionCode::kOOMWithoutAllocation)));
TEST_P(StabilityReportUserStreamDataSourceTest, ReadProcess) {
crashpad::test::TestProcessSnapshot process_snapshot;
process_snapshot.SetProcessID(is_valid_process_
? base::Process::Current().Pid()
: base::kNullProcessId);
if (exception_code_ != ExceptionCode::kNone) {
auto exception_snapshot =
std::make_unique<crashpad::test::TestExceptionSnapshot>();
switch (exception_code_) {
case ExceptionCode::kNotOOM:
// Set an arbitrary error code.
exception_snapshot->SetException(ERROR_INVALID_HANDLE);
exception_snapshot->SetCodes({kExpectedAllocationAttempt});
break;
case ExceptionCode::kOOMWithAllocation:
exception_snapshot->SetException(base::win::kOomExceptionCode);
exception_snapshot->SetCodes({kExpectedAllocationAttempt});
break;
case ExceptionCode::kOOMWithoutAllocation:
exception_snapshot->SetException(base::win::kOomExceptionCode);
exception_snapshot->SetCodes({});
break;
case ExceptionCode::kNone:
// Should not be reached.
FAIL();
}
process_snapshot.SetException(std::move(exception_snapshot));
}
// Collect a StabilityReport from `process_snapshot`.
UserStreamDataSourceWin source;
std::unique_ptr<crashpad::MinidumpUserExtensionStreamDataSource> data_source =
source.ProduceStreamData(&process_snapshot);
ASSERT_TRUE(data_source);
// Read the StabilityReport back out of the stream data.
test::StabilityReportReader reader;
ASSERT_TRUE(data_source->ReadStreamData(&reader));
// Validate ProcessState.
ASSERT_EQ(reader.report().process_states_size(), 1);
const ProcessState& process_state = reader.report().process_states(0);
EXPECT_EQ(process_state.process_id(), process_snapshot.ProcessID());
ASSERT_TRUE(process_state.has_memory_state());
ASSERT_TRUE(process_state.memory_state().has_windows_memory());
const ProcessState::MemoryState::WindowsMemory& process_memory =
process_state.memory_state().windows_memory();
const ProcessState::FileSystemState::WindowsFileSystemState& process_fs =
process_state.file_system_state().windows_file_system_state();
// Memory stats are only filled in if the process could be queried.
if (is_valid_process_) {
EXPECT_GT(process_memory.process_private_usage(), 0U);
EXPECT_GT(process_memory.process_peak_workingset_size(), 0U);
EXPECT_GT(process_memory.process_peak_pagefile_usage(), 0U);
EXPECT_GT(process_fs.process_handle_count(), 0U);
} else {
EXPECT_FALSE(process_memory.has_process_private_usage());
EXPECT_FALSE(process_memory.has_process_peak_workingset_size());
EXPECT_FALSE(process_memory.has_process_peak_pagefile_usage());
EXPECT_FALSE(process_fs.has_process_handle_count());
}
// Allocation attempt is only set on OOM when all info is available.
if (exception_code_ == ExceptionCode::kOOMWithAllocation) {
EXPECT_EQ(process_memory.process_allocation_attempt(),
kExpectedAllocationAttempt);
} else {
EXPECT_FALSE(process_memory.has_process_allocation_attempt());
}
// Validate SystemMemoryState.
ASSERT_TRUE(reader.report().has_system_memory_state());
ASSERT_TRUE(reader.report().system_memory_state().has_windows_memory());
const SystemMemoryState::WindowsMemory& system_memory =
reader.report().system_memory_state().windows_memory();
EXPECT_GT(system_memory.system_commit_limit(), 0U);
EXPECT_GT(system_memory.system_commit_remaining(), 0U);
EXPECT_GT(system_memory.system_handle_count(), 0U);
}
} // namespace
} // namespace stability_report
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