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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/app/exit_code_watcher_win.h"
#include <stdint.h>
#include <utility>
#include "base/command_line.h"
#include "base/process/process.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/multiprocess_test.h"
#include "base/test/test_reg_util_win.h"
#include "base/test/test_timeouts.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
#include "base/win/scoped_handle.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"
namespace {
MULTIPROCESS_TEST_MAIN(Sleeper) {
// Sleep as long as possible - the test harness will kill this process to give
// it an exit code.
base::PlatformThread::Sleep(base::TimeDelta::Max());
return 1;
}
class ScopedSleeperProcess {
public:
ScopedSleeperProcess() : is_killed_(false) {}
~ScopedSleeperProcess() {
if (process_.IsValid()) {
process_.Terminate(-1, false);
EXPECT_TRUE(process_.WaitForExit(nullptr));
}
}
void Launch() {
ASSERT_FALSE(process_.IsValid());
base::CommandLine cmd_line(base::GetMultiProcessTestChildBaseCommandLine());
base::LaunchOptions options;
options.start_hidden = true;
process_ = base::SpawnMultiProcessTestChild("Sleeper", cmd_line, options);
ASSERT_TRUE(process_.IsValid());
}
void Kill(int exit_code, bool wait) {
ASSERT_TRUE(process_.IsValid());
ASSERT_FALSE(is_killed_);
process_.Terminate(exit_code, false);
int seen_exit_code = 0;
EXPECT_TRUE(process_.WaitForExit(&seen_exit_code));
EXPECT_EQ(exit_code, seen_exit_code);
is_killed_ = true;
}
const base::Process& process() const { return process_; }
private:
base::Process process_;
bool is_killed_;
};
class ExitCodeWatcherTest : public testing::Test {
public:
typedef testing::Test Super;
static const int kExitCode = 0xCAFEBABE;
ExitCodeWatcherTest() : cmd_line_(base::CommandLine::NO_PROGRAM) {}
void SetUp() override { Super::SetUp(); }
base::Process OpenSelfWithAccess(uint32_t access) {
return base::Process::OpenWithAccess(base::GetCurrentProcId(), access);
}
protected:
base::CommandLine cmd_line_;
};
} // namespace
TEST_F(ExitCodeWatcherTest, ExitCodeWatcherNoAccessHandleFailsInit) {
ExitCodeWatcher watcher;
// Open a SYNCHRONIZE-only handle to this process.
base::Process self = OpenSelfWithAccess(SYNCHRONIZE);
ASSERT_TRUE(self.IsValid());
// A process handle with insufficient access should fail.
EXPECT_FALSE(watcher.Initialize(std::move(self)));
}
TEST_F(ExitCodeWatcherTest, ExitCodeWatcherSucceedsInit) {
ExitCodeWatcher watcher;
// Open a handle to this process with sufficient access for the watcher.
base::Process self =
OpenSelfWithAccess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION);
ASSERT_TRUE(self.IsValid());
// A process handle with sufficient access should succeed init.
EXPECT_TRUE(watcher.Initialize(std::move(self)));
}
TEST_F(ExitCodeWatcherTest, ExitCodeWatcherOnExitedProcess) {
ScopedSleeperProcess sleeper;
ASSERT_NO_FATAL_FAILURE(sleeper.Launch());
ExitCodeWatcher watcher;
EXPECT_TRUE(watcher.Initialize(sleeper.process().Duplicate()));
EXPECT_TRUE(watcher.StartWatching());
// Kill the sleeper, and make sure it's exited before we continue.
ASSERT_NO_FATAL_FAILURE(sleeper.Kill(kExitCode, true));
base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
// Verify we got the expected exit code
EXPECT_TRUE(watcher.ExitCodeForTesting() == kExitCode);
}
TEST_F(ExitCodeWatcherTest, ExitCodeWatcherStopWatching) {
ScopedSleeperProcess sleeper;
ASSERT_NO_FATAL_FAILURE(sleeper.Launch());
ExitCodeWatcher watcher;
EXPECT_TRUE(watcher.Initialize(sleeper.process().Duplicate()));
EXPECT_TRUE(watcher.StartWatching());
base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
watcher.StopWatching();
// Verify we got the expected exit code
EXPECT_TRUE(watcher.ExitCodeForTesting() == STILL_ACTIVE);
// Cleanup the sleeper, and make sure it's exited before we continue.
ASSERT_NO_FATAL_FAILURE(sleeper.Kill(kExitCode, true));
base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
}
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