Free the resources used by a context group.

gpu/command_buffer/service/buffer_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/buffer_manager.h"
+#include "app/gfx/gl/gl_mock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 namespace gles2 {
 
 class BufferManagerTest : public testing::Test {
  public:
   BufferManagerTest() {
   }
+  ~BufferManagerTest() {
+    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();
   }
 
   GLenum GetTarget(const BufferManager::BufferInfo* info) const {
     return info->target();
   }
 
+  // Use StrictMock to make 100% sure we know how GL will be called.
+  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   BufferManager manager_;
 };
 
 TEST_F(BufferManagerTest, Basic) {
   const GLuint kClientBuffer1Id = 1;
   const GLuint kServiceBuffer1Id = 11;
   const GLsizeiptr kBuffer1Size = 123;
   const GLuint kClientBuffer2Id = 2;
   // Check we can create buffer.
   manager_.CreateBufferInfo(kClientBuffer1Id, kServiceBuffer1Id);
@@ skipping 14 matching lines @@
   EXPECT_EQ(kBuffer1Size, info1->size());
   // Check we get nothing for a non-existent buffer.
   EXPECT_TRUE(manager_.GetBufferInfo(kClientBuffer2Id) == NULL);
   // Check trying to a remove non-existent buffers does not crash.
   manager_.RemoveBufferInfo(kClientBuffer2Id);
   // Check we can't get the buffer after we remove it.
   manager_.RemoveBufferInfo(kClientBuffer1Id);
   EXPECT_TRUE(manager_.GetBufferInfo(kClientBuffer1Id) == NULL);
 }
 
+TEST_F(BufferManagerTest, Destroy) {
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  // Check we can create buffer.
+  manager_.CreateBufferInfo(kClient1Id, kService1Id);
+  // Check buffer got created.
+  BufferManager::BufferInfo* info1 =
+      manager_.GetBufferInfo(kClient1Id);
+  ASSERT_TRUE(info1 != NULL);
+  EXPECT_CALL(*gl_, DeleteBuffersARB(1, ::testing::Pointee(kService1Id)))
+      .Times(1)
+      .RetiresOnSaturation();
+  manager_.Destroy(true);
+  // Check the resources were released.
+  info1 = manager_.GetBufferInfo(kClient1Id);
+  ASSERT_TRUE(info1 == NULL);
+}
+
 TEST_F(BufferManagerTest, SetRange) {
   const GLuint kClientBufferId = 1;
   const GLuint kServiceBufferId = 11;
   const uint8 data[] = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
   manager_.CreateBufferInfo(kClientBufferId, kServiceBufferId);
   BufferManager::BufferInfo* info = manager_.GetBufferInfo(kClientBufferId);
   ASSERT_TRUE(info != NULL);
   manager_.SetTarget(info, GL_ELEMENT_ARRAY_BUFFER);
   manager_.SetSize(info, sizeof(data));
   EXPECT_TRUE(info->SetRange(0, sizeof(data), data));
@@ skipping 95 matching lines @@
   EXPECT_EQ(120u, max_value);
   // Check out of range fails.
   EXPECT_FALSE(info->GetMaxValueForRange(0, 11, GL_UNSIGNED_INT, &max_value));
   EXPECT_FALSE(info->GetMaxValueForRange(40, 1, GL_UNSIGNED_INT, &max_value));
 }
 
 }  // namespace gles2
 }  // namespace gpu