Free the resources used by a context group.

gpu/command_buffer/service/shader_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/shader_manager.h"
+#include "base/scoped_ptr.h"
+#include "app/gfx/gl/gl_mock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 namespace gles2 {
 
 class ShaderManagerTest : public testing::Test {
  public:
   ShaderManagerTest() {
   }
 
+  ~ShaderManagerTest() {
+    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_;
   ShaderManager manager_;
 };
 
 TEST_F(ShaderManagerTest, Basic) {
   const GLuint kClient1Id = 1;
   const GLuint kService1Id = 11;
   const GLenum kShader1Type = GL_VERTEX_SHADER;
   const std::string kClient1Source("hello world");
   const GLuint kClient2Id = 2;
   // Check we can create shader.
@@ skipping 15 matching lines @@
   EXPECT_STREQ(kClient1Source.c_str(), info1->source().c_str());
   // Check we get nothing for a non-existent shader.
   EXPECT_TRUE(manager_.GetShaderInfo(kClient2Id) == NULL);
   // Check trying to a remove non-existent shaders does not crash.
   manager_.RemoveShaderInfo(kClient2Id);
   // Check we can't get the shader after we remove it.
   manager_.RemoveShaderInfo(kClient1Id);
   EXPECT_TRUE(manager_.GetShaderInfo(kClient1Id) == NULL);
 }
 
+TEST_F(ShaderManagerTest, Destroy) {
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  const GLenum kShader1Type = GL_VERTEX_SHADER;
+  // Check we can create shader.
+  manager_.CreateShaderInfo(kClient1Id, kService1Id, kShader1Type);
+  // Check shader got created.
+  ShaderManager::ShaderInfo* info1 = manager_.GetShaderInfo(kClient1Id);
+  ASSERT_TRUE(info1 != NULL);
+  EXPECT_CALL(*gl_, DeleteShader(kService1Id))
+      .Times(1)
+      .RetiresOnSaturation();
+  manager_.Destroy(true);
+  // Check that resources got freed.
+  info1 = manager_.GetShaderInfo(kClient1Id);
+  ASSERT_TRUE(info1 == NULL);
+}
+
 }  // namespace gles2
 }  // namespace gpu