gpu: Add base class for gpu service tests

gpu/command_buffer/service/gpu_service_test.cc

+// Copyright 2014 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 "gpu/command_buffer/service/gpu_service_test.h"
+
+#include "gpu/command_buffer/service/test_helper.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_context_stub_with_extensions.h"
+#include "ui/gl/gl_implementation.h"
+#include "ui/gl/gl_mock.h"
+#include "ui/gl/gl_surface.h"
+
+namespace gpu {
+namespace gles2 {
+
+GpuServiceTest::GpuServiceTest() : ran_setup_(false), ran_teardown_(false) {
+}
+
+GpuServiceTest::~GpuServiceTest() {
+  DCHECK(ran_teardown_);
+}
+
+void GpuServiceTest::SetUp() {
+  testing::Test::SetUp();
+
+  gfx::SetGLGetProcAddressProc(gfx::MockGLInterface::GetGLProcAddress);
+  gfx::GLSurface::InitializeOneOffWithMockBindingsForTests();
+  gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
+  ::gfx::MockGLInterface::SetGLInterface(gl_.get());
+
+  context_ = new gfx::GLContextStubWithExtensions;
+  context_->AddExtensionsString(NULL);
+  context_->SetGLVersionString("3.0");
+  gfx::GLSurface::InitializeDynamicMockBindingsForTests(context_);
+  ran_setup_ = true;
+}
+
+void GpuServiceTest::TearDown() {
+  DCHECK(ran_setup_);
+  ::gfx::MockGLInterface::SetGLInterface(NULL);
+  gl_.reset();
+  gfx::ClearGLBindings();
+  ran_teardown_ = true;
+
+  testing::Test::TearDown();
+}
+
+}  // namespace gles2
+}  // namespace gpu