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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.camera;
import com.android.camera.gallery.IImage;
import com.android.camera.gallery.IImageList;
import android.content.Context;
import android.graphics.Bitmap;
import android.test.AndroidTestCase;
/**
* BitmapManager's unit tests.
*/
public class BitmapManagerUnitTests extends AndroidTestCase {
IImageList mImageList;
IImage mImage;
BitmapManager mBitmapManager;
Context mContext;
private class DecodeThread extends Thread {
Bitmap bitmap;
public DecodeThread() {
}
@Override
public void run() {
bitmap = mImage.thumbBitmap();
}
public Bitmap getBitmap() {
return bitmap;
}
}
@Override
public void setUp() {
mContext = getContext();
mBitmapManager = BitmapManager.instance();
mImageList = ImageManager.allImages(mContext.getContentResolver(),
ImageManager.DataLocation.ALL,
ImageManager.INCLUDE_IMAGES,
ImageManager.SORT_DESCENDING);
mImage = mImageList.getImageAt(0);
}
public void testSingleton() {
BitmapManager manager = BitmapManager.instance();
assertNotNull(manager);
assertNotNull(mBitmapManager);
assertSame(manager, mBitmapManager);
}
public void testCanThreadDecoding() {
Thread t = new DecodeThread();
// By default all threads can decode.
assertTrue(mBitmapManager.canThreadDecoding(t));
// Disallow thread t to decode.
mBitmapManager.cancelThreadDecoding(t);
assertFalse(mBitmapManager.canThreadDecoding(t));
// Allow thread t to decode again.
mBitmapManager.allowThreadDecoding(t);
assertTrue(mBitmapManager.canThreadDecoding(t));
}
public void testDefaultAllowDecoding() {
DecodeThread t = new DecodeThread();
try {
t.start();
t.join();
} catch (InterruptedException ex) {
} finally {
assertNotNull(t.getBitmap());
}
}
public void testCancelDecoding() {
DecodeThread t = new DecodeThread();
mBitmapManager.cancelThreadDecoding(t);
try {
t.start();
t.join();
} catch (InterruptedException ex) {
} finally {
assertNull(t.getBitmap());
}
}
public void testAllowDecoding() {
DecodeThread t = new DecodeThread();
mBitmapManager.cancelThreadDecoding(t);
mBitmapManager.allowThreadDecoding(t);
try {
t.start();
t.join();
} catch (InterruptedException ex) {
} finally {
assertNotNull(t.getBitmap());
}
}
public void testThreadDecoding() {
DecodeThread t1 = new DecodeThread();
DecodeThread t2 = new DecodeThread();
mBitmapManager.allowThreadDecoding(t1);
mBitmapManager.cancelThreadDecoding(t2);
t1.start();
t2.start();
try {
t1.join();
t2.join();
} catch (InterruptedException ex) {
} finally {
assertTrue(mBitmapManager.canThreadDecoding(t1));
assertNotNull(t1.getBitmap());
assertFalse(mBitmapManager.canThreadDecoding(t2));
assertNull(t2.getBitmap());
}
}
public void testThreadSetDecoding() {
DecodeThread t1 = new DecodeThread();
DecodeThread t2 = new DecodeThread();
DecodeThread t3 = new DecodeThread();
BitmapManager.ThreadSet set = new BitmapManager.ThreadSet();
set.add(t1);
set.add(t2);
mBitmapManager.cancelThreadDecoding(set);
t1.start();
t2.start();
t3.start();
try {
t1.join();
t2.join();
t3.join();
} catch (InterruptedException ex) {
} finally {
assertFalse(mBitmapManager.canThreadDecoding(t1));
assertNull(t1.getBitmap());
assertFalse(mBitmapManager.canThreadDecoding(t2));
assertNull(t2.getBitmap());
assertTrue(mBitmapManager.canThreadDecoding(t3));
assertNotNull(t3.getBitmap());
}
}
@Override
public String toString() {
return "BitmapManagerUnitTest";
}
}
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