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package com.bumptech.glide.load.resource.gif;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.drawable.Drawable;
import com.bumptech.glide.gifdecoder.GifDecoder;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.isNull;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(RobolectricTestRunner.class)
public class GifDrawableTest {
private GifDecoder gifDecoder;
private GifDrawable drawable;
private GifFrameManager frameManager = mock(GifFrameManager.class);
private Drawable.Callback cb = mock(Drawable.Callback.class);
@Before
public void setUp() {
gifDecoder = mock(GifDecoder.class);
drawable = new GifDrawable(gifDecoder, frameManager);
drawable.setCallback(cb);
}
@Test
public void testReturnsInvalidWidthBeforeFirstFrame() {
assertEquals(-1, drawable.getIntrinsicWidth());
}
@Test
public void testReturnsInvalidHeightBeforeFirstFrame() {
assertEquals(-1, drawable.getIntrinsicHeight());
}
@Test
public void testReturnsFrameWidthAfterFirstFrame() {
int width = 123;
Bitmap bitmap = Bitmap.createBitmap(width, 1231, Bitmap.Config.ARGB_8888);
drawable.setIsRunning(true);
drawable.onFrameRead(bitmap);
assertEquals(width, drawable.getIntrinsicWidth());
}
@Test
public void testReturnsFrameHeightAfterFirstFrame() {
int height = 456;
Bitmap bitmap = Bitmap.createBitmap(1, height, Bitmap.Config.RGB_565);
drawable.setIsRunning(true);
drawable.onFrameRead(bitmap);
assertEquals(height, drawable.getIntrinsicHeight());
}
@Test
public void testShouldNotDrawNullBitmap() {
Canvas canvas = mock(Canvas.class);
drawable.draw(canvas);
verify(canvas, never()).drawBitmap((Bitmap) isNull(), anyInt(), anyInt(), any(Paint.class));
}
@Test
public void testRequestsNextFrameOnStart() {
drawable.start();
verify(frameManager).getNextFrame(eq(drawable));
}
@Test
public void testShouldInvalidateSelfOnRun() {
drawable.start();
verify(cb).invalidateDrawable(eq(drawable));
}
@Test
public void testShouldNotScheduleItselfIfAlreadyRunning() {
drawable.start();
drawable.start();
verify(frameManager, times(1)).getNextFrame(eq(drawable));
}
@Test
public void testReturnsFalseFromIsRunningWhenNotRunning() {
assertFalse(drawable.isRunning());
}
@Test
public void testReturnsTrueFromIsRunningWhenRunning() {
drawable.start();
assertTrue(drawable.isRunning());
}
@Test
public void testStartsLoadingNextFrameWhenCurrentFinishes() {
drawable.setIsRunning(true);
drawable.onFrameRead(Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888));
verify(frameManager).getNextFrame(eq(drawable));
}
@Test
public void testInvalidatesSelfWhenFrameReady() {
drawable.setIsRunning(true);
drawable.onFrameRead(Bitmap.createBitmap(100, 100, Bitmap.Config.RGB_565));
verify(cb).invalidateDrawable(eq(drawable));
}
@Test
public void testDoesNotStartLoadingNextFrameWhenCurrentFinishesIfNotRunning() {
drawable.setIsRunning(false);
drawable.onFrameRead(Bitmap.createBitmap(10, 100, Bitmap.Config.ARGB_8888));
verify(frameManager, never()).getNextFrame(eq(drawable));
}
@Test
public void testDoesNotStartLoadingNextFrameWhenCurrentFinishesIfHasNoCallback() {
drawable.setIsRunning(true);
drawable.setCallback(null);
drawable.onFrameRead(Bitmap.createBitmap(1, 2, Bitmap.Config.ARGB_8888));
verify(frameManager, never()).getNextFrame(eq(drawable));
}
@Test
public void testStopsWhenCurrentFrameFinishesIfHasNoCallback() {
drawable.setIsRunning(true);
drawable.setCallback(null);
drawable.onFrameRead(Bitmap.createBitmap(2, 1, Bitmap.Config.ARGB_8888));
assertFalse(drawable.isRunning());
}
@Test
public void testSetsIsRunningFalseOnStop() {
drawable.start();
drawable.stop();
assertFalse(drawable.isRunning());
}
@Test
public void testStopsOnSetVisibleFalse() {
drawable.start();
drawable.setVisible(false, true);
assertFalse(drawable.isRunning());
}
@Test
public void testStartsOnSetVisibleTrue() {
drawable.setVisible(true, true);
assertTrue(drawable.isRunning());
}
@Test
public void testGetOpacityReturnsTransparentfDecoderHasTransparency() {
when(gifDecoder.isTransparent()).thenReturn(true);
assertEquals(PixelFormat.TRANSPARENT, drawable.getOpacity());
}
@Test
public void testGetOpacityReturnsOpaqueIfDecoderDoesNotHaveTransparency() {
when(gifDecoder.isTransparent()).thenReturn(false);
assertEquals(PixelFormat.OPAQUE, drawable.getOpacity());
}
@Test
public void testRecycleCallsClearOnFrameManager() {
drawable.recycle();
verify(frameManager).clear();
}
@Test
public void testIsNotRecycledIfNotRecycled() {
assertFalse(drawable.isRecycled());
}
@Test
public void testIsRecycledAfterRecycled() {
drawable.recycle();
assertTrue(drawable.isRecycled());
}
}
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