Add GL_CHROMIUM_get_error_query

gpu/command_buffer/tests/gl_get_error_query_unittests.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 <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include "gpu/command_buffer/tests/gl_manager.h"
+#include "gpu/command_buffer/tests/gl_test_utils.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace gpu {
+
+class GetErrorQueryTest : public testing::Test {
+ protected:
+  virtual void SetUp() {
+    gl_.Initialize(gfx::Size(2, 2));
+  }
+
+  virtual void TearDown() {
+    gl_.Destroy();
+  }
+
+  GLManager gl_;
+};
+
+TEST_F(GetErrorQueryTest, Basic) {
+  EXPECT_TRUE(GLTestHelper::HasExtension("GL_CHROMIUM_get_error_query"));
+
+  GLuint query = 0;
+  glGenQueriesEXT(1, &query);
+
+  GLuint query_status = 0;
+  GLuint result = 0;
+
+  glBeginQueryEXT(GL_GET_ERROR_QUERY_CHROMIUM, query);
+  glEnable(GL_TEXTURE_2D);  // Generates an INVALID_ENUM error
+  glEndQueryEXT(GL_GET_ERROR_QUERY_CHROMIUM);
+
+  glFinish();
+
+  query_status = 0;
+  result = 0;
+  glGetQueryObjectuivEXT(query, GL_QUERY_RESULT_AVAILABLE_EXT, &result);
+  EXPECT_TRUE(result);
+  glGetQueryObjectuivEXT(query, GL_QUERY_RESULT_EXT, &query_status);
+  EXPECT_EQ(static_cast<uint32>(GL_INVALID_ENUM), query_status);
+}
+
+}  // namespace gpu
+
+