#include "config.h"
#include <gtest/gtest.h>
#include "DragImage.h"
#include "Image.h"
#include "NativeImageSkia.h"
using namespace WebCore;
namespace {
class TestImage : public Image {
public:
explicit TestImage(const IntSize& size)
: Image(0)
, m_size(size)
{
m_nativeImage = new NativeImageSkia();
m_nativeImage->setConfig(SkBitmap::kARGB_8888_Config,
size.width(), size.height(), 0);
m_nativeImage->allocPixels();
}
virtual ~TestImage()
{
delete m_nativeImage;
}
virtual IntSize size() const
{
return m_size;
}
virtual NativeImagePtr nativeImageForCurrentFrame()
{
if (m_size.isZero())
return 0;
return m_nativeImage;
}
virtual void destroyDecodedData(bool)
{
}
virtual unsigned int decodedSize() const
{
return 0u;
}
virtual void draw(WebCore::GraphicsContext*, const WebCore::FloatRect&,
const WebCore::FloatRect&, WebCore::ColorSpace,
WebCore::CompositeOperator)
{
}
private:
IntSize m_size;
NativeImagePtr m_nativeImage;
};
TEST(DragImageTest, NullHandling)
{
EXPECT_FALSE(createDragImageFromImage(0));
deleteDragImage(0);
EXPECT_TRUE(dragImageSize(0).isZero());
EXPECT_FALSE(scaleDragImage(0, FloatSize(0.5, 0.5)));
EXPECT_FALSE(dissolveDragImageToFraction(0, 0.5));
EXPECT_FALSE(createDragImageFromImage(0));
EXPECT_FALSE(createDragImageIconForCachedImage(0));
}
TEST(DragImageTest, NonNullHandling)
{
TestImage testImage(IntSize(2, 2));
DragImageRef dragImage = createDragImageFromImage(&testImage);
ASSERT_TRUE(dragImage);
dragImage = scaleDragImage(dragImage, FloatSize(0.5, 0.5));
ASSERT_TRUE(dragImage);
IntSize size = dragImageSize(dragImage);
EXPECT_EQ(1, size.width());
EXPECT_EQ(1, size.height());
dragImage = dissolveDragImageToFraction(dragImage, 0.5);
ASSERT_TRUE(dragImage);
deleteDragImage(dragImage);
}
TEST(DragImageTest, CreateDragImage)
{
{
TestImage testImage((IntSize()));
EXPECT_FALSE(createDragImageFromImage(&testImage));
}
{
TestImage testImage(IntSize(1, 1));
DragImageRef dragImage = createDragImageFromImage(&testImage);
ASSERT_TRUE(dragImage);
SkAutoLockPixels lock1(*dragImage), lock2(*testImage.nativeImageForCurrentFrame());
EXPECT_NE(dragImage->getPixels(), testImage.nativeImageForCurrentFrame()->getPixels());
}
}
}