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// This file implements unit tests for class Texture.

#include "tests/common/win/testing_common.h"
#include "core/cross/texture_base.h"
#include "core/cross/object_manager.h"

namespace o3d {

namespace {

Texture::RGBASwizzleIndices swizzle;

class MockTexture : public Texture {
 public:
  typedef SmartPointer<MockTexture> Ref;

  MockTexture(ServiceLocator* service_locator,
              Texture::Format format,
              int levels,
              bool enable_render_surfaces)
      : Texture(service_locator, format, levels, enable_render_surfaces) {
  }

  virtual const RGBASwizzleIndices& GetABGR32FSwizzleIndices() {
    return swizzle;
  }

  virtual void* GetTextureHandle() const {
    return NULL;
  }

  virtual void SetFromBitmap(const Bitmap& bitmap) {
  }

  virtual void GenerateMips(int source_level, int num_levels) {
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(MockTexture);
};

}  // anonymous namespace

class TextureTest : public testing::Test {
 protected:

  TextureTest()
      : object_manager_(g_service_locator) {
  }

 private:
  ServiceDependency<ObjectManager> object_manager_;
};

TEST_F(TextureTest, Basic) {
  MockTexture::Ref texture(new MockTexture(
      g_service_locator,
      Texture::XRGB8,
      1,
      false));
  ASSERT_TRUE(texture != NULL);
  EXPECT_EQ(texture->format(), Texture::XRGB8);
  EXPECT_EQ(texture->levels(), 1);
  EXPECT_FALSE(texture->alpha_is_one());
  EXPECT_FALSE(texture->render_surfaces_enabled());
}

}  // namespace o3d