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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package javafx.scene;

import static javafx.scene.image.TestImages.TEST_ERROR_IMAGE;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import javafx.scene.image.Image;
import javafx.scene.image.TestImages;

import org.junit.Test;

import com.sun.javafx.pgstub.StubToolkit;
import com.sun.javafx.tk.Toolkit;

public final class ImageCursor_getCurrentFrame_Test {
    private final StubToolkit toolkit;

    public ImageCursor_getCurrentFrame_Test() {
        toolkit = (StubToolkit) Toolkit.getToolkit();
    }

    @Test
    public void specialCasesTest() {
        final Object defaultCursorFrame =
                Cursor.DEFAULT.getCurrentFrame();

        assertEquals(defaultCursorFrame,
                     new ImageCursor(null).getCurrentFrame());

        assertEquals(defaultCursorFrame,
                     new ImageCursor(TEST_ERROR_IMAGE).getCurrentFrame());
    }

    @Test
    public void animatedCursorTest() {
        // reset time
        toolkit.setAnimationTime(0);
        final Image animatedImage =
                TestImages.createAnimatedTestImage(
                        300, 400,        // width, height
                        0,               // loop count
                        2000, 1000, 3000 // frame delays
                );
        final ImageCursor animatedImageCursor = new ImageCursor(animatedImage);

        Object lastCursorFrame;
        Object currCursorFrame;

        animatedImageCursor.activate();

        lastCursorFrame = animatedImageCursor.getCurrentFrame();

        toolkit.setAnimationTime(1000);
        currCursorFrame = animatedImageCursor.getCurrentFrame();
        assertSame(lastCursorFrame, currCursorFrame);
        
        lastCursorFrame = currCursorFrame;

        toolkit.setAnimationTime(2500);
        currCursorFrame = animatedImageCursor.getCurrentFrame();
        assertNotSame(lastCursorFrame, currCursorFrame);
        
        lastCursorFrame = currCursorFrame;

        toolkit.setAnimationTime(4500);
        currCursorFrame = animatedImageCursor.getCurrentFrame();
        assertNotSame(lastCursorFrame, currCursorFrame);

        lastCursorFrame = currCursorFrame;

        toolkit.setAnimationTime(7000);
        currCursorFrame = animatedImageCursor.getCurrentFrame();
        assertNotSame(lastCursorFrame, currCursorFrame);

        animatedImageCursor.deactivate();

        TestImages.disposeAnimatedImage(animatedImage);
    }

    @Test
    public void animatedCursorCachingTest() {
        // reset time
        toolkit.setAnimationTime(0);
        final Image animatedImage =
                TestImages.createAnimatedTestImage(
                        300, 400,        // width, height
                        0,               // loop count
                        2000, 1000, 3000 // frame delays
                );
        final ImageCursor animatedImageCursor = new ImageCursor(animatedImage);

        animatedImageCursor.activate();

        toolkit.setAnimationTime(1000);
        final Object time1000CursorFrame =
                animatedImageCursor.getCurrentFrame();

        toolkit.setAnimationTime(2500);
        final Object time2500CursorFrame =
                animatedImageCursor.getCurrentFrame();

        toolkit.setAnimationTime(4500);
        final Object time4500CursorFrame =
                animatedImageCursor.getCurrentFrame();

        toolkit.setAnimationTime(6000 + 1000);
        assertSame(time1000CursorFrame,
                   animatedImageCursor.getCurrentFrame());

        toolkit.setAnimationTime(6000 + 2500);
        assertSame(time2500CursorFrame,
                   animatedImageCursor.getCurrentFrame());

        toolkit.setAnimationTime(6000 + 4500);
        assertSame(time4500CursorFrame,
                   animatedImageCursor.getCurrentFrame());

        animatedImageCursor.deactivate();

        TestImages.disposeAnimatedImage(animatedImage);
    }
}