@Test
public void extenderShouldCheckDrawableExistsWhenExtenderZooms() {

	// Given
	float zoomLevel = 7.0f;
	float zoomX = 0.0f;
	float zoomY = 0.0f;
	ImageView imageView = mock(ImageView.class);
	imageView.setImageBitmap(createTestBitmap());
	ZoomableComponent extender = new ImageViewZoomExtender(imageView);
	// When
	extender.zoomTo(zoomLevel, zoomX, zoomY);
	// Then
	verify(imageView).getDrawable();
}