Home | History | Annotate | Download | only in imagepool 
      1 /*
      2  * Copyright (C) 2018 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 android.util.imagepool;
     18 
     19 import org.junit.Test;
     20 
     21 import android.util.imagepool.Bucket.BucketCreationMetaData;
     22 import android.util.imagepool.ImagePool.Image.Orientation;
     23 
     24 import java.awt.image.BufferedImage;
     25 import java.lang.ref.SoftReference;
     26 
     27 import static org.junit.Assert.assertNotNull;
     28 import static org.junit.Assert.assertNull;
     29 
     30 public class ImagePoolHelperTest {
     31 
     32     @Test
     33     public void testGetBufferedImage() {
     34         int width = 10;
     35         int height = 10;
     36         int numberOfCopiesInBucket = 10;
     37         int maxCacheSize = width * height * 4 * 5; // can fit 5 width | height buffer
     38         Bucket bucket = new Bucket();
     39         BucketCreationMetaData metaData = new BucketCreationMetaData(
     40                 width, height, BufferedImage.TYPE_INT_ARGB, numberOfCopiesInBucket, Orientation
     41                 .NONE, maxCacheSize);
     42         ImagePoolStats stats = new ImagePoolStatsProdImpl();
     43 
     44         assertNotNull(ImagePoolHelper.getBufferedImage(bucket, metaData, stats));
     45     }
     46 
     47     @Test
     48     public void testGetBufferedImageRecurse() {
     49         int width = 10;
     50         int height = 10;
     51         int numberOfCopiesToRequestInBucket = 1;
     52         int numberOfCopiesInBucket = 10;
     53         int maxCacheSize = width * height * 4 * numberOfCopiesToRequestInBucket;
     54 
     55         Bucket bucket = new Bucket();
     56         for (int i = 0; i < numberOfCopiesInBucket; i++) {
     57             bucket.mBufferedImageRef.add(new SoftReference<>(null));
     58         }
     59         BucketCreationMetaData metaData = new BucketCreationMetaData(
     60                 width, height, BufferedImage.TYPE_INT_ARGB, numberOfCopiesToRequestInBucket, Orientation
     61                 .NONE, maxCacheSize);
     62         ImagePoolStats stats = new ImagePoolStatsProdImpl();
     63 
     64         assertNotNull(ImagePoolHelper.getBufferedImage(bucket, metaData, stats));
     65     }
     66 
     67     @Test
     68     public void testRecurseThenHitCacheLimit() {
     69         int width = 10;
     70         int height = 10;
     71         int numberOfCopiesToRequestInBucket = 1;
     72         int numberOfCopiesInBucket = 10;
     73         int maxCacheSize = width * height * 4 * numberOfCopiesToRequestInBucket / 2;
     74 
     75         Bucket bucket = new Bucket();
     76         for (int i = 0; i < numberOfCopiesInBucket; i++) {
     77             bucket.mBufferedImageRef.add(new SoftReference<>(null));
     78         }
     79         BucketCreationMetaData metaData = new BucketCreationMetaData(
     80                 width, height, BufferedImage.TYPE_INT_ARGB, numberOfCopiesToRequestInBucket, Orientation
     81                 .NONE, maxCacheSize);
     82         ImagePoolStats stats = new ImagePoolStatsProdImpl();
     83 
     84         assertNull(ImagePoolHelper.getBufferedImage(bucket, metaData, stats));
     85     }
     86 
     87     @Test
     88     public void testBucketHasImageToReturn() {
     89         int width = 10;
     90         int height = 10;
     91         int numberOfCopiesToRequestInBucket = 1;
     92         int numberOfCopiesInBucket = 10;
     93         int maxCacheSize = width * height * 4 * numberOfCopiesToRequestInBucket / 2;
     94         BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
     95 
     96         Bucket bucket = new Bucket();
     97         for (int i = 0; i < numberOfCopiesInBucket; i++) {
     98             bucket.mBufferedImageRef.add(new SoftReference<>(null));
     99         }
    100         bucket.mBufferedImageRef.add(new SoftReference<>(image));
    101         BucketCreationMetaData metaData = new BucketCreationMetaData(
    102                 width, height, BufferedImage.TYPE_INT_ARGB, numberOfCopiesToRequestInBucket, Orientation
    103                 .NONE, maxCacheSize);
    104         ImagePoolStats stats = new ImagePoolStatsProdImpl();
    105 
    106         assertNotNull(ImagePoolHelper.getBufferedImage(bucket, metaData, stats));
    107     }
    108 }