| /* |
| * Copyright (C) 2015 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.tv.util; |
| |
| import static com.android.tv.util.BitmapUtils.createScaledBitmapInfo; |
| |
| import android.graphics.Bitmap; |
| import android.support.test.filters.MediumTest; |
| |
| import com.android.tv.util.BitmapUtils.ScaledBitmapInfo; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link ImageCache}. |
| */ |
| @MediumTest |
| public class ImageCacheTest extends TestCase { |
| private static final Bitmap ORIG = Bitmap.createBitmap(100, 100, Bitmap.Config.RGB_565); |
| |
| private static final String KEY = "same"; |
| private static final ScaledBitmapInfo INFO_200 = createScaledBitmapInfo(KEY, ORIG, 200, 200); |
| private static final ScaledBitmapInfo INFO_100 = createScaledBitmapInfo(KEY, ORIG, 100, 100); |
| private static final ScaledBitmapInfo INFO_50 = createScaledBitmapInfo(KEY, ORIG, 50, 50); |
| private static final ScaledBitmapInfo INFO_25 = createScaledBitmapInfo(KEY, ORIG, 25, 25); |
| |
| private ImageCache mImageCache; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mImageCache = ImageCache.newInstance(0.1f); |
| } |
| |
| //TODO: Empty the cache in the setup. Try using @VisibleForTesting |
| |
| public void testPutIfLarger_smaller() throws Exception { |
| |
| mImageCache.putIfNeeded( INFO_50); |
| assertSame("before", INFO_50, mImageCache.get(KEY)); |
| |
| mImageCache.putIfNeeded( INFO_25); |
| assertSame("after", INFO_50, mImageCache.get(KEY)); |
| } |
| |
| public void testPutIfLarger_larger() throws Exception { |
| mImageCache.putIfNeeded( INFO_50); |
| assertSame("before", INFO_50, mImageCache.get(KEY)); |
| |
| mImageCache.putIfNeeded(INFO_100); |
| assertSame("after", INFO_100, mImageCache.get(KEY)); |
| } |
| |
| public void testPutIfLarger_alreadyMax() throws Exception { |
| |
| mImageCache.putIfNeeded( INFO_100); |
| assertSame("before", INFO_100, mImageCache.get(KEY)); |
| |
| mImageCache.putIfNeeded( INFO_200); |
| assertSame("after", INFO_100, mImageCache.get(KEY)); |
| } |
| } |