command_buffer_gles2: Add test command_buffer_gles2_test for command_buffer_gles2

gpu/command_buffer/tests/egl_test.cc

+// Copyright 2015 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 "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#include <EGL/egl.h>
+
+// This file tests EGL basic interface for command_buffer_gles2, the mode of
+// command buffer where the code is compiled as a standalone dynamic library and
+// exposed through EGL API.
+namespace gpu {
+
+using testing::Test;
+
+TEST_F(Test, BasicEGLInitialization) {
+  EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+  ASSERT_NE(display, EGL_NO_DISPLAY);
+
+  // Test for no crash even though passing nullptrs for major, minor.
+  EGLBoolean success = eglInitialize(display, nullptr, nullptr);
+  ASSERT_TRUE(success);
+
+  EGLint major = 0;
+  EGLint minor = 0;
+  success = eglInitialize(display, &major, &minor);
+  ASSERT_TRUE(success);
+  ASSERT_EQ(major, 1);
+  ASSERT_EQ(minor, 4);
+
+  success = eglTerminate(display);
+  ASSERT_TRUE(success);
+}
+
+}  // namespace gpu