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// Copyright (c) 2013 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 "chrome/browser/process_singleton.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
bool ServerCallback(int* callback_count,
const CommandLine& command_line,
const base::FilePath& current_directory) {
++(*callback_count);
return true;
}
bool ClientCallback(const CommandLine& command_line,
const base::FilePath& current_directory) {
ADD_FAILURE();
return false;
}
} // namespace
TEST(ProcessSingletonWinTest, Basic) {
base::ScopedTempDir profile_dir;
ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
int callback_count = 0;
ProcessSingleton ps1(
profile_dir.path(),
base::Bind(&ServerCallback, base::Unretained(&callback_count)));
ProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
ASSERT_EQ(0, callback_count);
result = ps2.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
ASSERT_EQ(1, callback_count);
}
#if !defined(USE_AURA)
TEST(ProcessSingletonWinTest, Lock) {
base::ScopedTempDir profile_dir;
ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
int callback_count = 0;
ProcessSingleton ps1(
profile_dir.path(),
base::Bind(&ServerCallback, base::Unretained(&callback_count)));
ps1.Lock(NULL);
ProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
ASSERT_EQ(0, callback_count);
result = ps2.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
ASSERT_EQ(0, callback_count);
ps1.Unlock();
ASSERT_EQ(1, callback_count);
}
class TestableProcessSingleton : public ProcessSingleton {
public:
TestableProcessSingleton(const base::FilePath& user_data_dir,
const NotificationCallback& notification_callback)
: ProcessSingleton(user_data_dir, notification_callback),
called_set_foreground_window_(false) {}
bool called_set_foreground_window() { return called_set_foreground_window_; }
protected:
virtual void DoSetForegroundWindow(HWND target_window) OVERRIDE {
called_set_foreground_window_ = true;
}
private:
bool called_set_foreground_window_;
};
TEST(ProcessSingletonWinTest, LockWithModalDialog) {
base::ScopedTempDir profile_dir;
ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
int callback_count = 0;
TestableProcessSingleton ps1(
profile_dir.path(),
base::Bind(&ServerCallback, base::Unretained(&callback_count)));
ps1.Lock(::GetShellWindow());
ProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
ASSERT_EQ(0, callback_count);
ASSERT_FALSE(ps1.called_set_foreground_window());
result = ps2.NotifyOtherProcessOrCreate();
ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
ASSERT_TRUE(ps1.called_set_foreground_window());
ASSERT_EQ(0, callback_count);
ps1.Unlock();
// When a modal dialog is present, the new command-line invocation is silently
// dropped.
ASSERT_EQ(0, callback_count);
}
#endif // !defined(USE_AURA)
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