1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.util; 18 19 import static com.android.tv.util.BitmapUtils.createScaledBitmapInfo; 20 21 import android.graphics.Bitmap; 22 import android.test.suitebuilder.annotation.MediumTest; 23 24 import com.android.tv.util.BitmapUtils.ScaledBitmapInfo; 25 26 import junit.framework.TestCase; 27 28 /** 29 * Tests for {@link ImageCache}. 30 */ 31 @MediumTest 32 public class ImageCacheTest extends TestCase { 33 private static final Bitmap ORIG = Bitmap.createBitmap(100, 100, Bitmap.Config.RGB_565); 34 35 private static final String KEY = "same"; 36 private static final ScaledBitmapInfo INFO_200 = createScaledBitmapInfo(KEY, ORIG, 200, 200); 37 private static final ScaledBitmapInfo INFO_100 = createScaledBitmapInfo(KEY, ORIG, 100, 100); 38 private static final ScaledBitmapInfo INFO_50 = createScaledBitmapInfo(KEY, ORIG, 50, 50); 39 private static final ScaledBitmapInfo INFO_25 = createScaledBitmapInfo(KEY, ORIG, 25, 25); 40 41 private ImageCache mImageCache; 42 43 @Override setUp()44 protected void setUp() throws Exception { 45 super.setUp(); 46 mImageCache = ImageCache.newInstance(0.1f); 47 } 48 49 //TODO: Empty the cache in the setup. Try using @VisibleForTesting 50 testPutIfLarger_smaller()51 public void testPutIfLarger_smaller() throws Exception { 52 53 mImageCache.putIfNeeded( INFO_50); 54 assertSame("before", INFO_50, mImageCache.get(KEY)); 55 56 mImageCache.putIfNeeded( INFO_25); 57 assertSame("after", INFO_50, mImageCache.get(KEY)); 58 } 59 testPutIfLarger_larger()60 public void testPutIfLarger_larger() throws Exception { 61 mImageCache.putIfNeeded( INFO_50); 62 assertSame("before", INFO_50, mImageCache.get(KEY)); 63 64 mImageCache.putIfNeeded(INFO_100); 65 assertSame("after", INFO_100, mImageCache.get(KEY)); 66 } 67 testPutIfLarger_alreadyMax()68 public void testPutIfLarger_alreadyMax() throws Exception { 69 70 mImageCache.putIfNeeded( INFO_100); 71 assertSame("before", INFO_100, mImageCache.get(KEY)); 72 73 mImageCache.putIfNeeded( INFO_200); 74 assertSame("after", INFO_100, mImageCache.get(KEY)); 75 } 76 }