Implement GL_EXT_debug_marker

gpu/command_buffer/common/debug_marker_manager_unittest.cc

+// Copyright (c) 2012 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/common/debug_marker_manager.h"
+#include "gpu/command_buffer/common/gl_mock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gpu {
+namespace gles2 {
+
+class DebugMarkerManagerTest : public testing::Test {
+ protected:
+  virtual void SetUp() {
+  }
+
+  virtual void TearDown() {
+  }
+
+  DebugMarkerManager manager_;
+};
+
+TEST_F(DebugMarkerManagerTest, Basic) {
+  // Test we can get root
+  EXPECT_STREQ("", manager_.GetMarker().c_str());
+  // Test it's safe to pop an empty stack.
+  manager_.PopGroup();
+  // Test we can still get root.
+  EXPECT_STREQ("", manager_.GetMarker().c_str());
+  // Test setting a marker.
+  manager_.SetMarker("mark1");
+  EXPECT_STREQ(".mark1", manager_.GetMarker().c_str());
+  manager_.SetMarker("mark2");
+  EXPECT_STREQ(".mark2", manager_.GetMarker().c_str());
+  // Test pushing a group.
+  manager_.PushGroup("abc");
+  EXPECT_STREQ(".abc", manager_.GetMarker().c_str());
+  // Test setting a marker on the group
+  manager_.SetMarker("mark3");
+  EXPECT_STREQ(".abc.mark3", manager_.GetMarker().c_str());
+  manager_.SetMarker("mark4");
+  EXPECT_STREQ(".abc.mark4", manager_.GetMarker().c_str());
+  // Test pushing a 2nd group.
+  manager_.PushGroup("def");
+  EXPECT_STREQ(".abc.def", manager_.GetMarker().c_str());
+  // Test setting a marker on the group
+  manager_.SetMarker("mark5");
+  EXPECT_STREQ(".abc.def.mark5", manager_.GetMarker().c_str());
+  manager_.SetMarker("mark6");
+  EXPECT_STREQ(".abc.def.mark6", manager_.GetMarker().c_str());
+  // Test poping 2nd group.
+  manager_.PopGroup();
+  EXPECT_STREQ(".abc.mark4", manager_.GetMarker().c_str());
+  manager_.PopGroup();
+  EXPECT_STREQ(".mark2", manager_.GetMarker().c_str());
+  manager_.PopGroup();
+  EXPECT_STREQ(".mark2", manager_.GetMarker().c_str());
+}
+
+}  // namespace gles2
+}  // namespace gpu
+
+