text: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include <gtest/gtest.h>
  
  #include <bluegl/BlueGL.h>
  
  #include "OpenGLSupport.hpp"
  
  namespace bluegl {
  
  TEST(BlueGLTest, Initialization) {
      EXPECT_EQ(0, bind());
      unbind();
  }
  
  TEST(BlueGLTest, GetVersion) {
      EXPECT_EQ(0, bind());
      gl::OpenGLContext context = gl::createOpenGLContext();
      gl::setCurrentOpenGLContext(context);
  
      GLint major = 0, minor = 0;
      glGetIntegerv(GL_MAJOR_VERSION, &major);
      glGetIntegerv(GL_MINOR_VERSION, &minor);
  
      printf("OpenGL v%d.%d\n", major, minor);
      gl::destroyOpenGLContext(context);
      unbind();
  }
  
  TEST(BlueGLTest, DoubleInitialization) {
      int result = bind();
      EXPECT_EQ(result, bind());
      unbind();
      unbind();
  }
  
  TEST(BlueGLTest, CallOpenGL) {
      EXPECT_EQ(0, bind());
  
      gl::OpenGLContext context = gl::createOpenGLContext();
      EXPECT_TRUE(context != nullptr);
  
      gl::setCurrentOpenGLContext(context);
      EXPECT_TRUE(glGetString(GL_VENDOR) != nullptr);
  
      gl::destroyOpenGLContext(context);
      unbind();
  }
  
  TEST(BlueGLTest, CallOpenGLDoubleInit) {
      int result = bind();
      EXPECT_EQ(result, bind());
      unbind();
  
      gl::OpenGLContext context = gl::createOpenGLContext();
      EXPECT_TRUE(context != nullptr);
  
      gl::setCurrentOpenGLContext(context);
      EXPECT_TRUE(glGetString(GL_VENDOR) != nullptr);
  
      gl::destroyOpenGLContext(context);
      unbind();
  }
  
  TEST(BlueGLTest, CallBindAndGetBound) {
      EXPECT_EQ(0, bind());
      gl::OpenGLContext context = gl::createOpenGLContext();
      gl::setCurrentOpenGLContext(context);
  
      GLuint texId = 0;
      glGenTextures(1, &texId);
      glBindTexture(GL_TEXTURE_2D, texId);
  
      GLint boundTexId = -1; // different from texId, just to be sure
      glGetIntegerv(GL_TEXTURE_BINDING_2D, &boundTexId);
      ASSERT_EQ(texId, boundTexId);
  
      gl::destroyOpenGLContext(context);
      unbind();
  }
  
  }; // namespace bluegl
  
  int main(int argc, char** argv) {
      ::testing::InitGoogleTest(&argc, argv);
      return RUN_ALL_TESTS();
  }
  