Move Windows-specific Event Tracing for Windows implementation to base/win. ...

base/event_trace_controller_win_unittest.cc

-// Copyright (c) 2010 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.
-//
-// Unit tests for event trace controller.
-#include "base/event_trace_controller_win.h"
-#include "base/event_trace_provider_win.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/logging.h"
-#include "base/scoped_handle.h"
-#include "base/sys_info.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include <initguid.h>  // NOLINT - must be last.
-
-namespace {
-
-const wchar_t kTestSessionName[] = L"TestLogSession";
-
-// {0D236A42-CD18-4e3d-9975-DCEEA2106E05}
-DEFINE_GUID(kTestProvider,
-    0xd236a42, 0xcd18, 0x4e3d, 0x99, 0x75, 0xdc, 0xee, 0xa2, 0x10, 0x6e, 0x5);
-
-DEFINE_GUID(kGuidNull,
-    0x0000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0);
-
-const ULONG kTestProviderFlags = 0xCAFEBABE;
-
-class TestingProvider: public EtwTraceProvider {
- public:
-  explicit TestingProvider(const GUID& provider_name)
-      : EtwTraceProvider(provider_name) {
-    callback_event_.Set(::CreateEvent(NULL, TRUE, FALSE, NULL));
-  }
-
-  void WaitForCallback() {
-    ::WaitForSingleObject(callback_event_.Get(), INFINITE);
-    ::ResetEvent(callback_event_.Get());
-  }
-
- private:
-  virtual void OnEventsEnabled() {
-    ::SetEvent(callback_event_.Get());
-  }
-  virtual void PostEventsDisabled() {
-    ::SetEvent(callback_event_.Get());
-  }
-
-  ScopedHandle callback_event_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestingProvider);
-};
-
-}  // namespace
-
-TEST(EtwTraceTest, Cleanup) {
-  // Clean up potential leftover sessions from previous unsuccessful runs.
-  EtwTraceProperties ignore;
-  EtwTraceController::Stop(kTestSessionName, &ignore);
-}
-
-TEST(EtwTracePropertiesTest, Initialization) {
-  EtwTraceProperties prop;
-
-  EVENT_TRACE_PROPERTIES* p = prop.get();
-  EXPECT_NE(0u, p->Wnode.BufferSize);
-  EXPECT_EQ(0u, p->Wnode.ProviderId);
-  EXPECT_EQ(0u, p->Wnode.HistoricalContext);
-
-  EXPECT_TRUE(kGuidNull == p->Wnode.Guid);
-  EXPECT_EQ(0, p->Wnode.ClientContext);
-  EXPECT_EQ(WNODE_FLAG_TRACED_GUID, p->Wnode.Flags);
-
-  EXPECT_EQ(0, p->BufferSize);
-  EXPECT_EQ(0, p->MinimumBuffers);
-  EXPECT_EQ(0, p->MaximumBuffers);
-  EXPECT_EQ(0, p->MaximumFileSize);
-  EXPECT_EQ(0, p->LogFileMode);
-  EXPECT_EQ(0, p->FlushTimer);
-  EXPECT_EQ(0, p->EnableFlags);
-  EXPECT_EQ(0, p->AgeLimit);
-
-  EXPECT_EQ(0, p->NumberOfBuffers);
-  EXPECT_EQ(0, p->FreeBuffers);
-  EXPECT_EQ(0, p->EventsLost);
-  EXPECT_EQ(0, p->BuffersWritten);
-  EXPECT_EQ(0, p->LogBuffersLost);
-  EXPECT_EQ(0, p->RealTimeBuffersLost);
-  EXPECT_EQ(0, p->LoggerThreadId);
-  EXPECT_NE(0u, p->LogFileNameOffset);
-  EXPECT_NE(0u, p->LoggerNameOffset);
-}
-
-TEST(EtwTracePropertiesTest, Strings) {
-  EtwTraceProperties prop;
-
-  ASSERT_STREQ(L"", prop.GetLoggerFileName());
-  ASSERT_STREQ(L"", prop.GetLoggerName());
-
-  std::wstring name(1023, L'A');
-  ASSERT_HRESULT_SUCCEEDED(prop.SetLoggerFileName(name.c_str()));
-  ASSERT_HRESULT_SUCCEEDED(prop.SetLoggerName(name.c_str()));
-  ASSERT_STREQ(name.c_str(), prop.GetLoggerFileName());
-  ASSERT_STREQ(name.c_str(), prop.GetLoggerName());
-
-  std::wstring name2(1024, L'A');
-  ASSERT_HRESULT_FAILED(prop.SetLoggerFileName(name2.c_str()));
-  ASSERT_HRESULT_FAILED(prop.SetLoggerName(name2.c_str()));
-}
-
-TEST(EtwTraceControllerTest, Initialize) {
-  EtwTraceController controller;
-
-  EXPECT_EQ(NULL, controller.session());
-  EXPECT_STREQ(L"", controller.session_name());
-}
-
-TEST(EtwTraceControllerTest, StartRealTimeSession) {
-  EtwTraceController controller;
-
-  HRESULT hr = controller.StartRealtimeSession(kTestSessionName, 100 * 1024);
-  if (hr == E_ACCESSDENIED) {
-    VLOG(1) << "You must be an administrator to run this test on Vista";
-    return;
-  }
-
-  EXPECT_TRUE(NULL != controller.session());
-  EXPECT_STREQ(kTestSessionName, controller.session_name());
-
-  EXPECT_HRESULT_SUCCEEDED(controller.Stop(NULL));
-  EXPECT_EQ(NULL, controller.session());
-  EXPECT_STREQ(L"", controller.session_name());
-}
-
-TEST(EtwTraceControllerTest, StartFileSession) {
-  FilePath temp;
-
-  ASSERT_HRESULT_SUCCEEDED(file_util::CreateTemporaryFile(&temp));
-
-  EtwTraceController controller;
-  HRESULT hr = controller.StartFileSession(kTestSessionName,
-                                           temp.value().c_str());
-  if (hr == E_ACCESSDENIED) {
-    VLOG(1) << "You must be an administrator to run this test on Vista";
-    return;
-  }
-
-  EXPECT_TRUE(NULL != controller.session());
-  EXPECT_STREQ(kTestSessionName, controller.session_name());
-
-  EXPECT_HRESULT_SUCCEEDED(controller.Stop(NULL));
-  EXPECT_EQ(NULL, controller.session());
-  EXPECT_STREQ(L"", controller.session_name());
-}
-
-TEST(EtwTraceControllerTest, EnableDisable) {
-  TestingProvider provider(kTestProvider);
-
-  EXPECT_EQ(ERROR_SUCCESS, provider.Register());
-  EXPECT_EQ(NULL, provider.session_handle());
-
-  EtwTraceController controller;
-  HRESULT hr = controller.StartRealtimeSession(kTestSessionName, 100 * 1024);
-  if (hr == E_ACCESSDENIED) {
-    VLOG(1) << "You must be an administrator to run this test on Vista";
-    return;
-  }
-
-  EXPECT_HRESULT_SUCCEEDED(controller.EnableProvider(kTestProvider,
-                           TRACE_LEVEL_VERBOSE, kTestProviderFlags));
-
-  provider.WaitForCallback();
-
-  EXPECT_EQ(TRACE_LEVEL_VERBOSE, provider.enable_level());
-  EXPECT_EQ(kTestProviderFlags, provider.enable_flags());
-
-  EXPECT_HRESULT_SUCCEEDED(controller.DisableProvider(kTestProvider));
-
-  provider.WaitForCallback();
-
-  EXPECT_EQ(0, provider.enable_level());
-  EXPECT_EQ(0, provider.enable_flags());
-
-  EXPECT_EQ(ERROR_SUCCESS, provider.Unregister());
-
-  // Enable the provider again, before registering.
-  EXPECT_HRESULT_SUCCEEDED(controller.EnableProvider(kTestProvider,
-                           TRACE_LEVEL_VERBOSE, kTestProviderFlags));
-
-  // Register the provider again, the settings above
-  // should take immediate effect.
-  EXPECT_EQ(ERROR_SUCCESS, provider.Register());
-
-  EXPECT_EQ(TRACE_LEVEL_VERBOSE, provider.enable_level());
-  EXPECT_EQ(kTestProviderFlags, provider.enable_flags());
-
-  EXPECT_HRESULT_SUCCEEDED(controller.Stop(NULL));
-
-  provider.WaitForCallback();
-
-  // Session should have wound down.
-  EXPECT_EQ(0, provider.enable_level());
-  EXPECT_EQ(0, provider.enable_flags());
-}