Free the resources used by a context group.

gpu/command_buffer/service/texture_manager_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.
 
 #include "gpu/command_buffer/service/texture_manager.h"
+#include "base/scoped_ptr.h"
+#include "app/gfx/gl/gl_mock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using ::testing::Pointee;
+
 namespace gpu {
 namespace gles2 {
 
 class TextureManagerTest : public testing::Test {
  public:
   static const GLint kMaxTextureSize = 16;
   static const GLint kMaxCubeMapTextureSize = 8;
   static const GLint kMax2dLevels = 5;
   static const GLint kMaxCubeMapLevels = 4;
 
   TextureManagerTest()
       : manager_(kMaxTextureSize, kMaxCubeMapTextureSize) {
   }
 
+  ~TextureManagerTest() {
+    manager_.Destroy(false);
+  }
+
  protected:
   virtual void SetUp() {
+    gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
+    ::gfx::GLInterface::SetGLInterface(gl_.get());
   }
 
   virtual void TearDown() {
+    ::gfx::GLInterface::SetGLInterface(NULL);
+    gl_.reset();
   }
 
+  // Use StrictMock to make 100% sure we know how GL will be called.
+  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   TextureManager manager_;
 };
 
 // GCC requires these declarations, but MSVC requires they not be present
 #ifndef COMPILER_MSVC
 const GLint TextureManagerTest::kMaxTextureSize;
 const GLint TextureManagerTest::kMaxCubeMapTextureSize;
 const GLint TextureManagerTest::kMax2dLevels;
 const GLint TextureManagerTest::kMaxCubeMapLevels;
 #endif
@@ skipping 14 matching lines @@
   EXPECT_EQ(kClient1Id, client_id);
   // Check we get nothing for a non-existent texture.
   EXPECT_TRUE(manager_.GetTextureInfo(kClient2Id) == NULL);
   // Check trying to a remove non-existent textures does not crash.
   manager_.RemoveTextureInfo(kClient2Id);
   // Check we can't get the texture after we remove it.
   manager_.RemoveTextureInfo(kClient1Id);
   EXPECT_TRUE(manager_.GetTextureInfo(kClient1Id) == NULL);
 }
 
+TEST_F(TextureManagerTest, Destroy) {
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  EXPECT_FALSE(manager_.HaveUnrenderableTextures());
+  // Check we can create texture.
+  manager_.CreateTextureInfo(kClient1Id, kService1Id);
+  // Check texture got created.
+  TextureManager::TextureInfo* info1 = manager_.GetTextureInfo(kClient1Id);
+  ASSERT_TRUE(info1 != NULL);
+  EXPECT_CALL(*gl_, DeleteTextures(1, ::testing::Pointee(kService1Id)))
+      .Times(1)
+      .RetiresOnSaturation();
+  manager_.Destroy(true);
+  // Check that resources got freed.
+  info1 = manager_.GetTextureInfo(kClient1Id);
+  ASSERT_TRUE(info1 == NULL);
+}
+
 TEST_F(TextureManagerTest, MaxValues) {
   // Check we get the right values for the max sizes.
   EXPECT_EQ(kMax2dLevels, manager_.MaxLevelsForTarget(GL_TEXTURE_2D));
   EXPECT_EQ(kMaxCubeMapLevels,
             manager_.MaxLevelsForTarget(GL_TEXTURE_CUBE_MAP));
   EXPECT_EQ(kMaxTextureSize, manager_.MaxSizeForTarget(GL_TEXTURE_2D));
   EXPECT_EQ(kMaxCubeMapTextureSize,
             manager_.MaxSizeForTarget(GL_TEXTURE_CUBE_MAP));
 }
 
@@ skipping 46 matching lines @@
   static const GLint kMaxTextureSize = 16;
   static const GLint kMaxCubeMapTextureSize = 8;
   static const GLint kMax2dLevels = 5;
   static const GLint kMaxCubeMapLevels = 4;
   static const GLuint kClient1Id = 1;
   static const GLuint kService1Id = 11;
 
   TextureInfoTest()
       : manager_(kMaxTextureSize, kMaxCubeMapTextureSize) {
   }
+  ~TextureInfoTest() {
+    manager_.Destroy(false);
+  }
 
  protected:
   virtual void SetUp() {
+    gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
+    ::gfx::GLInterface::SetGLInterface(gl_.get());
     manager_.CreateTextureInfo(kClient1Id, kService1Id);
     info_ = manager_.GetTextureInfo(kClient1Id);
     ASSERT_TRUE(info_ != NULL);
   }
 
   virtual void TearDown() {
+    ::gfx::GLInterface::SetGLInterface(NULL);
+    gl_.reset();
   }
 
+  // Use StrictMock to make 100% sure we know how GL will be called.
+  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   TextureManager manager_;
   TextureManager::TextureInfo* info_;
 };
 
 TEST_F(TextureInfoTest, Basic) {
   EXPECT_EQ(0u, info_->target());
   EXPECT_FALSE(info_->texture_complete());
   EXPECT_FALSE(info_->cube_complete());
   EXPECT_FALSE(info_->CanGenerateMipmaps());
   EXPECT_FALSE(info_->npot());
@@ skipping 173 matching lines @@
   EXPECT_EQ(4, width);
   EXPECT_EQ(5, height);
   manager_.RemoveTextureInfo(kClient1Id);
   EXPECT_FALSE(info_->GetLevelSize(GL_TEXTURE_2D, 1, &width, &height));
 }
 
 }  // namespace gles2
 }  // namespace gpu