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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/process/process.h"
#include "base/process/kill.h"
#include "base/test/multiprocess_test.h"
#include "base/test/test_timeouts.h"
#include "base/threading/platform_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"
#if defined(OS_MACOSX)
#include <mach/mach.h>
#endif // OS_MACOSX
namespace {
#if defined(OS_WIN)
const int kExpectedStillRunningExitCode = 0x102;
#else
const int kExpectedStillRunningExitCode = 0;
#endif
} // namespace
namespace base {
class ProcessTest : public MultiProcessTest {
};
TEST_F(ProcessTest, Create) {
Process process(SpawnChild("SimpleChildProcess"));
ASSERT_TRUE(process.IsValid());
ASSERT_FALSE(process.is_current());
process.Close();
ASSERT_FALSE(process.IsValid());
}
TEST_F(ProcessTest, CreateCurrent) {
Process process = Process::Current();
ASSERT_TRUE(process.IsValid());
ASSERT_TRUE(process.is_current());
process.Close();
ASSERT_FALSE(process.IsValid());
}
TEST_F(ProcessTest, Move) {
Process process1(SpawnChild("SimpleChildProcess"));
EXPECT_TRUE(process1.IsValid());
Process process2;
EXPECT_FALSE(process2.IsValid());
process2 = process1.Pass();
EXPECT_TRUE(process2.IsValid());
EXPECT_FALSE(process1.IsValid());
EXPECT_FALSE(process2.is_current());
Process process3 = Process::Current();
process2 = process3.Pass();
EXPECT_TRUE(process2.is_current());
EXPECT_TRUE(process2.IsValid());
EXPECT_FALSE(process3.IsValid());
}
TEST_F(ProcessTest, Duplicate) {
Process process1(SpawnChild("SimpleChildProcess"));
ASSERT_TRUE(process1.IsValid());
Process process2 = process1.Duplicate();
ASSERT_TRUE(process1.IsValid());
ASSERT_TRUE(process2.IsValid());
EXPECT_EQ(process1.Pid(), process2.Pid());
EXPECT_FALSE(process1.is_current());
EXPECT_FALSE(process2.is_current());
process1.Close();
ASSERT_TRUE(process2.IsValid());
}
TEST_F(ProcessTest, DuplicateCurrent) {
Process process1 = Process::Current();
ASSERT_TRUE(process1.IsValid());
Process process2 = process1.Duplicate();
ASSERT_TRUE(process1.IsValid());
ASSERT_TRUE(process2.IsValid());
EXPECT_EQ(process1.Pid(), process2.Pid());
EXPECT_TRUE(process1.is_current());
EXPECT_TRUE(process2.is_current());
process1.Close();
ASSERT_TRUE(process2.IsValid());
}
TEST_F(ProcessTest, DeprecatedGetProcessFromHandle) {
Process process1(SpawnChild("SimpleChildProcess"));
ASSERT_TRUE(process1.IsValid());
Process process2 = Process::DeprecatedGetProcessFromHandle(process1.Handle());
ASSERT_TRUE(process1.IsValid());
ASSERT_TRUE(process2.IsValid());
EXPECT_EQ(process1.Pid(), process2.Pid());
EXPECT_FALSE(process1.is_current());
EXPECT_FALSE(process2.is_current());
process1.Close();
ASSERT_TRUE(process2.IsValid());
}
MULTIPROCESS_TEST_MAIN(SleepyChildProcess) {
PlatformThread::Sleep(TestTimeouts::action_max_timeout());
return 0;
}
TEST_F(ProcessTest, Terminate) {
Process process(SpawnChild("SleepyChildProcess"));
ASSERT_TRUE(process.IsValid());
const int kDummyExitCode = 42;
int exit_code = kDummyExitCode;
EXPECT_EQ(TERMINATION_STATUS_STILL_RUNNING,
GetTerminationStatus(process.Handle(), &exit_code));
EXPECT_EQ(kExpectedStillRunningExitCode, exit_code);
exit_code = kDummyExitCode;
int kExpectedExitCode = 250;
process.Terminate(kExpectedExitCode, false);
process.WaitForExitWithTimeout(TestTimeouts::action_max_timeout(),
&exit_code);
EXPECT_NE(TERMINATION_STATUS_STILL_RUNNING,
GetTerminationStatus(process.Handle(), &exit_code));
#if !defined(OS_POSIX)
// The POSIX implementation actually ignores the exit_code.
EXPECT_EQ(kExpectedExitCode, exit_code);
#endif
}
MULTIPROCESS_TEST_MAIN(FastSleepyChildProcess) {
PlatformThread::Sleep(TestTimeouts::tiny_timeout() * 10);
return 0;
}
TEST_F(ProcessTest, WaitForExit) {
Process process(SpawnChild("FastSleepyChildProcess"));
ASSERT_TRUE(process.IsValid());
const int kDummyExitCode = 42;
int exit_code = kDummyExitCode;
EXPECT_TRUE(process.WaitForExit(&exit_code));
EXPECT_EQ(0, exit_code);
}
TEST_F(ProcessTest, WaitForExitWithTimeout) {
Process process(SpawnChild("SleepyChildProcess"));
ASSERT_TRUE(process.IsValid());
const int kDummyExitCode = 42;
int exit_code = kDummyExitCode;
TimeDelta timeout = TestTimeouts::tiny_timeout();
EXPECT_FALSE(process.WaitForExitWithTimeout(timeout, &exit_code));
EXPECT_EQ(kDummyExitCode, exit_code);
process.Terminate(kDummyExitCode, false);
}
// Ensure that the priority of a process is restored correctly after
// backgrounding and restoring.
// Note: a platform may not be willing or able to lower the priority of
// a process. The calls to SetProcessBackground should be noops then.
TEST_F(ProcessTest, SetProcessBackgrounded) {
Process process(SpawnChild("SimpleChildProcess"));
int old_priority = process.GetPriority();
#if defined(OS_MACOSX)
// On the Mac, backgrounding a process requires a port to that process.
// In the browser it's available through the MachBroker class, which is not
// part of base. Additionally, there is an indefinite amount of time between
// spawning a process and receiving its port. Because this test just checks
// the ability to background/foreground a process, we can use the current
// process's port instead.
mach_port_t process_port = mach_task_self();
EXPECT_TRUE(process.SetProcessBackgrounded(process_port, true));
EXPECT_TRUE(process.IsProcessBackgrounded(process_port));
EXPECT_TRUE(process.SetProcessBackgrounded(process_port, false));
EXPECT_FALSE(process.IsProcessBackgrounded(process_port));
#elif defined(OS_WIN)
EXPECT_TRUE(process.SetProcessBackgrounded(true));
EXPECT_TRUE(process.IsProcessBackgrounded());
EXPECT_TRUE(process.SetProcessBackgrounded(false));
EXPECT_FALSE(process.IsProcessBackgrounded());
#else
process.SetProcessBackgrounded(true);
process.SetProcessBackgrounded(false);
#endif
int new_priority = process.GetPriority();
EXPECT_EQ(old_priority, new_priority);
}
// Same as SetProcessBackgrounded but to this very process. It uses
// a different code path at least for Windows.
TEST_F(ProcessTest, SetProcessBackgroundedSelf) {
Process process = Process::Current();
int old_priority = process.GetPriority();
#if defined(OS_MACOSX)
mach_port_t process_port = mach_task_self();
EXPECT_TRUE(process.SetProcessBackgrounded(process_port, true));
EXPECT_TRUE(process.IsProcessBackgrounded(process_port));
EXPECT_TRUE(process.SetProcessBackgrounded(process_port, false));
EXPECT_FALSE(process.IsProcessBackgrounded(process_port));
#elif defined(OS_WIN)
EXPECT_TRUE(process.SetProcessBackgrounded(true));
EXPECT_TRUE(process.IsProcessBackgrounded());
EXPECT_TRUE(process.SetProcessBackgrounded(false));
EXPECT_FALSE(process.IsProcessBackgrounded());
#else
process.SetProcessBackgrounded(true);
process.SetProcessBackgrounded(false);
#endif
int new_priority = process.GetPriority();
EXPECT_EQ(old_priority, new_priority);
}
} // namespace base
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