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

base/event_trace_provider_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 provider.
-#include "base/event_trace_provider_win.h"
-#include <new>
-#include "testing/gtest/include/gtest/gtest.h"
-#include <initguid.h>  // NOLINT - has to be last
-
-namespace {
-
-// {7F0FD37F-FA3C-4cd6-9242-DF60967A2CB2}
-DEFINE_GUID(kTestProvider,
-  0x7f0fd37f, 0xfa3c, 0x4cd6, 0x92, 0x42, 0xdf, 0x60, 0x96, 0x7a, 0x2c, 0xb2);
-
-// {7F0FD37F-FA3C-4cd6-9242-DF60967A2CB2}
-DEFINE_GUID(kTestEventClass,
-  0x7f0fd37f, 0xfa3c, 0x4cd6, 0x92, 0x42, 0xdf, 0x60, 0x96, 0x7a, 0x2c, 0xb2);
-
-}  // namespace
-
-TEST(EtwTraceProviderTest, ToleratesPreCreateInvocations) {
-  // Because the trace provider is used in logging, it's important that
-  // it be possible to use static provider instances without regard to
-  // whether they've been constructed or destructed.
-  // The interface of the class is designed to tolerate this usage.
-  char buf[sizeof(EtwTraceProvider)] = {0};
-  EtwTraceProvider& provider = reinterpret_cast<EtwTraceProvider&>(buf);
-
-  EXPECT_EQ(NULL, provider.registration_handle());
-  EXPECT_EQ(NULL, provider.session_handle());
-  EXPECT_EQ(0, provider.enable_flags());
-  EXPECT_EQ(0, provider.enable_level());
-
-  EXPECT_FALSE(provider.ShouldLog(TRACE_LEVEL_FATAL, 0xfffffff));
-
-  // We expect these not to crash.
-  provider.Log(kTestEventClass, 0, TRACE_LEVEL_FATAL, "foo");
-  provider.Log(kTestEventClass, 0, TRACE_LEVEL_FATAL, L"foo");
-
-  EtwMofEvent<1> dummy(kTestEventClass, 0, TRACE_LEVEL_FATAL);
-  DWORD data = 0;
-  dummy.SetField(0, sizeof(data), &data);
-  provider.Log(dummy.get());
-
-  // Placement-new the provider into our buffer.
-  new (buf) EtwTraceProvider(kTestProvider);
-
-  // Registration is now safe.
-  EXPECT_EQ(ERROR_SUCCESS, provider.Register());
-
-  // Destruct the instance, this should unregister it.
-  provider.EtwTraceProvider::~EtwTraceProvider();
-
-  // And post-destruction, all of the above should still be safe.
-  EXPECT_EQ(NULL, provider.registration_handle());
-  EXPECT_EQ(NULL, provider.session_handle());
-  EXPECT_EQ(0, provider.enable_flags());
-  EXPECT_EQ(0, provider.enable_level());
-
-  EXPECT_FALSE(provider.ShouldLog(TRACE_LEVEL_FATAL, 0xfffffff));
-
-  // We expect these not to crash.
-  provider.Log(kTestEventClass, 0, TRACE_LEVEL_FATAL, "foo");
-  provider.Log(kTestEventClass, 0, TRACE_LEVEL_FATAL, L"foo");
-  provider.Log(dummy.get());
-}
-
-TEST(EtwTraceProviderTest, Initialize) {
-  EtwTraceProvider provider(kTestProvider);
-
-  EXPECT_EQ(NULL, provider.registration_handle());
-  EXPECT_EQ(NULL, provider.session_handle());
-  EXPECT_EQ(0, provider.enable_flags());
-  EXPECT_EQ(0, provider.enable_level());
-}
-
-TEST(EtwTraceProviderTest, Register) {
-  EtwTraceProvider provider(kTestProvider);
-
-  ASSERT_EQ(ERROR_SUCCESS, provider.Register());
-  EXPECT_NE(NULL, provider.registration_handle());
-  ASSERT_EQ(ERROR_SUCCESS, provider.Unregister());
-  EXPECT_EQ(NULL, provider.registration_handle());
-}
-
-TEST(EtwTraceProviderTest, RegisterWithNoNameFails) {
-  EtwTraceProvider provider;
-
-  EXPECT_TRUE(provider.Register() != ERROR_SUCCESS);
-}
-
-TEST(EtwTraceProviderTest, Enable) {
-  EtwTraceProvider provider(kTestProvider);
-
-  ASSERT_EQ(ERROR_SUCCESS, provider.Register());
-  EXPECT_NE(NULL, provider.registration_handle());
-
-  // No session so far.
-  EXPECT_EQ(NULL, provider.session_handle());
-  EXPECT_EQ(0, provider.enable_flags());
-  EXPECT_EQ(0, provider.enable_level());
-
-  ASSERT_EQ(ERROR_SUCCESS, provider.Unregister());
-  EXPECT_EQ(NULL, provider.registration_handle());
-}