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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_path.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/platform_thread.h"
#include "base/string_util.h"
#include "base/test_file_util.h"
#include "base/time.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/ui/ui_test.h"
#include "net/base/net_util.h"
using base::TimeDelta;
using base::TimeTicks;
namespace {
// Wrapper around EvictFileFromSystemCache to retry 10 times in case of error.
// Apparently needed for Windows buildbots (to workaround an error when
// file is in use).
// TODO(phajdan.jr): Move to test_file_util if we need it in more places.
bool EvictFileFromSystemCacheWrapper(const FilePath& path) {
for (int i = 0; i < 10; i++) {
if (file_util::EvictFileFromSystemCache(path))
return true;
PlatformThread::Sleep(1000);
}
return false;
}
class StartupTest : public UITest {
public:
StartupTest() {
show_window_ = true;
pages_ = "about:blank";
}
void SetUp() {}
void TearDown() {}
void RunStartupTest(const wchar_t* graph, const wchar_t* trace,
bool test_cold, bool important) {
const int kNumCycles = 20;
TimeDelta timings[kNumCycles];
for (int i = 0; i < kNumCycles; ++i) {
if (test_cold) {
FilePath dir_app;
ASSERT_TRUE(PathService::Get(chrome::DIR_APP, &dir_app));
FilePath chrome_exe(dir_app.Append(
FilePath::FromWStringHack(chrome::kBrowserProcessExecutableName)));
ASSERT_TRUE(EvictFileFromSystemCacheWrapper(chrome_exe));
#if defined(OS_WIN)
// TODO(port): these files do not exist on other platforms.
// Decide what to do.
FilePath chrome_dll(dir_app.Append(FILE_PATH_LITERAL("chrome.dll")));
ASSERT_TRUE(EvictFileFromSystemCacheWrapper(chrome_dll));
FilePath gears_dll;
ASSERT_TRUE(PathService::Get(chrome::FILE_GEARS_PLUGIN, &gears_dll));
ASSERT_TRUE(EvictFileFromSystemCacheWrapper(gears_dll));
#endif // defined(OS_WIN)
}
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.
PlatformThread::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;
}
}
std::wstring times;
for (int i = 0; i < kNumCycles; ++i)
StringAppendF(×, L"%.2f,", timings[i].InMillisecondsF());
PrintResultList(graph, L"", trace, times, L"ms", important);
}
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_.AppendLooseValue(file_url);
pages_ = WideToUTF8(file_url);
}
};
} // namespace
TEST_F(StartupTest, Perf) {
RunStartupTest(L"warm", L"t", false /* not cold */, true /* important */);
}
#if defined(OS_WIN)
// TODO(port): Enable reference tests on other platforms.
TEST_F(StartupReferenceTest, Perf) {
RunStartupTest(L"warm", L"t_ref", false /* not cold */,
true /* important */);
}
// TODO(mpcomplete): Should we have reference timings for all these?
TEST_F(StartupTest, PerfCold) {
RunStartupTest(L"cold", L"t", true /* cold */, false /* not important */);
}
TEST_F(StartupFileTest, PerfGears) {
RunStartupTest(L"warm", L"gears", false /* not cold */,
false /* not important */);
}
TEST_F(StartupFileTest, PerfColdGears) {
RunStartupTest(L"cold", L"gears", true /* cold */,
false /* not important */);
}
#endif // defined(OS_WIN)
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