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// Copyright (c) 2012 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 <windows.h>
#include <string>
#include "base/command_line.h"
#include "base/process/kill.h"
#include "base/process/process.h"
#include "base/test/multiprocess_test.h"
#include "base/win/scoped_process_information.h"
#include "testing/multiprocess_func_list.h"
namespace {
const DWORD kProcessId = 4321;
const DWORD kThreadId = 1234;
const HANDLE kProcessHandle = reinterpret_cast<HANDLE>(7651);
const HANDLE kThreadHandle = reinterpret_cast<HANDLE>(1567);
void MockCreateProcess(base::win::ScopedProcessInformation* process_info) {
PROCESS_INFORMATION process_information = {};
process_information.dwProcessId = kProcessId;
process_information.dwThreadId = kThreadId;
process_information.hProcess = kProcessHandle;
process_information.hThread = kThreadHandle;
process_info->Set(process_information);
}
} // namespace
class ScopedProcessInformationTest : public base::MultiProcessTest {
protected:
void DoCreateProcess(const std::string& main_id,
PROCESS_INFORMATION* process_handle);
};
MULTIPROCESS_TEST_MAIN(ReturnSeven) {
return 7;
}
MULTIPROCESS_TEST_MAIN(ReturnNine) {
return 9;
}
void ScopedProcessInformationTest::DoCreateProcess(
const std::string& main_id, PROCESS_INFORMATION* process_handle) {
std::wstring cmd_line = MakeCmdLine(main_id).GetCommandLineString();
STARTUPINFO startup_info = {};
startup_info.cb = sizeof(startup_info);
EXPECT_TRUE(::CreateProcess(NULL, &cmd_line[0],
NULL, NULL, false, 0, NULL, NULL,
&startup_info, process_handle));
}
TEST_F(ScopedProcessInformationTest, InitiallyInvalid) {
base::win::ScopedProcessInformation process_info;
ASSERT_FALSE(process_info.IsValid());
}
TEST_F(ScopedProcessInformationTest, Receive) {
base::win::ScopedProcessInformation process_info;
MockCreateProcess(&process_info);
EXPECT_TRUE(process_info.IsValid());
EXPECT_EQ(kProcessId, process_info.process_id());
EXPECT_EQ(kThreadId, process_info.thread_id());
EXPECT_EQ(kProcessHandle, process_info.process_handle());
EXPECT_EQ(kThreadHandle, process_info.thread_handle());
process_info.Take();
}
TEST_F(ScopedProcessInformationTest, TakeProcess) {
base::win::ScopedProcessInformation process_info;
MockCreateProcess(&process_info);
HANDLE process = process_info.TakeProcessHandle();
EXPECT_EQ(kProcessHandle, process);
EXPECT_EQ(NULL, process_info.process_handle());
EXPECT_EQ(0, process_info.process_id());
EXPECT_TRUE(process_info.IsValid());
process_info.Take();
}
TEST_F(ScopedProcessInformationTest, TakeThread) {
base::win::ScopedProcessInformation process_info;
MockCreateProcess(&process_info);
HANDLE thread = process_info.TakeThreadHandle();
EXPECT_EQ(kThreadHandle, thread);
EXPECT_EQ(NULL, process_info.thread_handle());
EXPECT_EQ(0, process_info.thread_id());
EXPECT_TRUE(process_info.IsValid());
process_info.Take();
}
TEST_F(ScopedProcessInformationTest, TakeBoth) {
base::win::ScopedProcessInformation process_info;
MockCreateProcess(&process_info);
process_info.TakeProcessHandle();
process_info.TakeThreadHandle();
EXPECT_FALSE(process_info.IsValid());
process_info.Take();
}
TEST_F(ScopedProcessInformationTest, TakeWholeStruct) {
base::win::ScopedProcessInformation process_info;
MockCreateProcess(&process_info);
PROCESS_INFORMATION to_discard = process_info.Take();
EXPECT_EQ(kProcessId, to_discard.dwProcessId);
EXPECT_EQ(kThreadId, to_discard.dwThreadId);
EXPECT_EQ(kProcessHandle, to_discard.hProcess);
EXPECT_EQ(kThreadHandle, to_discard.hThread);
EXPECT_FALSE(process_info.IsValid());
}
TEST_F(ScopedProcessInformationTest, Duplicate) {
PROCESS_INFORMATION temp_process_information;
DoCreateProcess("ReturnSeven", &temp_process_information);
base::win::ScopedProcessInformation process_info;
process_info.Set(temp_process_information);
base::win::ScopedProcessInformation duplicate;
duplicate.DuplicateFrom(process_info);
ASSERT_TRUE(process_info.IsValid());
ASSERT_NE(0u, process_info.process_id());
ASSERT_EQ(duplicate.process_id(), process_info.process_id());
ASSERT_NE(0u, process_info.thread_id());
ASSERT_EQ(duplicate.thread_id(), process_info.thread_id());
// Validate that we have separate handles that are good.
int exit_code = 0;
base::Process process(process_info.TakeProcessHandle());
ASSERT_TRUE(process.WaitForExit(&exit_code));
ASSERT_EQ(7, exit_code);
exit_code = 0;
base::Process dup_process(duplicate.TakeProcessHandle());
ASSERT_TRUE(dup_process.WaitForExit(&exit_code));
ASSERT_EQ(7, exit_code);
ASSERT_TRUE(::CloseHandle(process_info.TakeThreadHandle()));
ASSERT_TRUE(::CloseHandle(duplicate.TakeThreadHandle()));
}
TEST_F(ScopedProcessInformationTest, Set) {
base::win::ScopedProcessInformation base_process_info;
MockCreateProcess(&base_process_info);
PROCESS_INFORMATION base_struct = base_process_info.Take();
base::win::ScopedProcessInformation process_info;
process_info.Set(base_struct);
EXPECT_EQ(kProcessId, process_info.process_id());
EXPECT_EQ(kThreadId, process_info.thread_id());
EXPECT_EQ(kProcessHandle, process_info.process_handle());
EXPECT_EQ(kThreadHandle, process_info.thread_handle());
base_struct = process_info.Take();
}
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