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// Copyright (c) 2006-2008 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/file_util.h"
#include "base/path_service.h"
#include "base/time.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/ui/ui_test.h"
#include "net/base/net_util.h"
namespace {
class StartupTest : public UITest {
public:
StartupTest() {
show_window_ = true;
pages_ = "about:blank";
}
void SetUp() {}
void TearDown() {}
void RunStartupTest(const char* label, bool test_cold) {
const int kNumCycles = 20;
// Make a backup of gears.dll so we can overwrite the original, which
// flushes the disk cache for that file.
std::wstring chrome_dll, chrome_dll_copy;
ASSERT_TRUE(PathService::Get(chrome::DIR_APP, &chrome_dll));
file_util::AppendToPath(&chrome_dll, L"chrome.dll");
chrome_dll_copy = chrome_dll + L".copy";
ASSERT_TRUE(file_util::CopyFile(chrome_dll, chrome_dll_copy));
std::wstring gears_dll, gears_dll_copy;
ASSERT_TRUE(PathService::Get(chrome::FILE_GEARS_PLUGIN, &gears_dll));
gears_dll_copy = gears_dll + L".copy";
ASSERT_TRUE(file_util::CopyFile(gears_dll, gears_dll_copy));
TimeDelta timings[kNumCycles];
for (int i = 0; i < kNumCycles; ++i) {
if (test_cold) {
ASSERT_TRUE(file_util::CopyFile(chrome_dll_copy, chrome_dll));
ASSERT_TRUE(file_util::CopyFile(gears_dll_copy, gears_dll));
}
UITest::SetUp();
TimeTicks end_time = TimeTicks::Now();
timings[i] = end_time - browser_launch_time_;
// TODO(beng): Can't shut down so quickly. Figure out why, and fix. If we
// do, we crash.
Sleep(50);
UITest::TearDown();
if (i == 0) {
// Re-use the profile data after first run so that the noise from
// creating databases doesn't impact all the runs.
clear_profile_ = false;
}
}
ASSERT_TRUE(file_util::Delete(chrome_dll_copy, false));
ASSERT_TRUE(file_util::Delete(gears_dll_copy, false));
printf("\n__ts_pages = [%s]\n", pages_.c_str());
printf("\n%s = [", label);
for (int i = 0; i < kNumCycles; ++i) {
if (i > 0)
printf(",");
printf("%.2f", timings[i].InMillisecondsF());
}
printf("]\n");
}
protected:
std::string pages_;
};
class StartupReferenceTest : public StartupTest {
public:
// override the browser directory that is used by UITest::SetUp to cause it
// to use the reference build instead.
void SetUp() {
std::wstring dir;
PathService::Get(chrome::DIR_TEST_TOOLS, &dir);
file_util::AppendToPath(&dir, L"reference_build");
file_util::AppendToPath(&dir, L"chrome");
browser_directory_ = dir;
}
};
class StartupFileTest : public StartupTest {
public:
// Load a file on startup rather than about:blank. This tests a longer
// startup path, including resource loading and the loading of gears.dll.
void SetUp() {
std::wstring file_url;
ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &file_url));
file_util::AppendToPath(&file_url, L"empty.html");
ASSERT_TRUE(file_util::PathExists(file_url));
launch_arguments_ += file_url;
pages_ = WideToUTF8(file_url);
}
};
} // namespace
TEST_F(StartupTest, Perf) {
RunStartupTest("__ts_timings", false);
}
TEST_F(StartupReferenceTest, Perf) {
RunStartupTest("__ts_reference_timings", false);
}
// TODO(mpcomplete): Should we have reference timings for all these?
TEST_F(StartupTest, PerfCold) {
RunStartupTest("__ts_cold_timings", true);
}
TEST_F(StartupFileTest, PerfGears) {
RunStartupTest("__ts_gears_timings", false);
}
TEST_F(StartupFileTest, PerfColdGears) {
RunStartupTest("__ts_cold_gears_timings", true);
}
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