1d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru/* 2d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * Copyright (C) 2011 The Android Open Source Project 3d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * 4d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * Licensed under the Apache License, Version 2.0 (the "License"); 5d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * you may not use this file except in compliance with the License. 6d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * You may obtain a copy of the License at 7d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * 8d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * http://www.apache.org/licenses/LICENSE-2.0 9d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * 10d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * Unless required by applicable law or agreed to in writing, software 11d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * distributed under the License is distributed on an "AS IS" BASIS, 12d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * See the License for the specific language governing permissions and 14d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru * limitations under the License. 15d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru */ 16d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 17d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Querupackage com.android.volley.toolbox; 18d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 19d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport android.content.res.Resources; 20d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport android.graphics.Bitmap; 21d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport android.graphics.Bitmap.Config; 22d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport android.test.InstrumentationTestCase; 23d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport android.test.suitebuilder.annotation.SmallTest; 24d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 25d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport com.android.volley.NetworkResponse; 26d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport com.android.volley.Response; 27d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport com.android.volley.tests.R; 28d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 29d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport java.io.ByteArrayOutputStream; 30d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport java.io.IOException; 31d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queruimport java.io.InputStream; 32d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 33d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru@SmallTest 34d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Querupublic class ImageRequestTest extends InstrumentationTestCase { 35d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 36d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru public void testParseNetworkResponse_resizing() throws Exception { 37d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru byte[] jpegBytes = readRawResource( 38d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru getInstrumentation().getContext().getResources(), R.raw.large_jpeg_1024_500); 39d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru NetworkResponse jpeg = new NetworkResponse(jpegBytes); 40d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 41d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // Exact sizes 42d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 512, 250, 512, 250); // exactly half 43d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 511, 249, 509, 249); // just under half 44d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 1080, 500, 1024, 500); // larger 45d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 500, 500, 500, 244); // keep same ratio 46d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 47d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // Specify only width, preserve aspect ratio 48d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 512, 0, 512, 250); 49d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 800, 0, 800, 390); 50d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 1024, 0, 1024, 500); 51d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 52d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // Specify only height, preserve aspect ratio 53d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 0, 250, 512, 250); 54d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 0, 391, 800, 391); 55d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 0, 500, 1024, 500); 56d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 57d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // No resize 58d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru verifyResize(jpeg, 0, 0, 1024, 500); 59d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru } 60d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 61d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru private void verifyResize(NetworkResponse networkResponse, int maxWidth, int maxHeight, 62d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru int expectedWidth, int expectedHeight) { 63d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru ImageRequest request = new ImageRequest( 64d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru "", null, maxWidth, maxHeight, Config.RGB_565, null); 65d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru Response<Bitmap> response = request.parseNetworkResponse(networkResponse); 66d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertNotNull(response); 67d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertTrue(response.isSuccess()); 68d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru Bitmap bitmap = response.result; 69d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertNotNull(bitmap); 70d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(expectedWidth, bitmap.getWidth()); 71d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(expectedHeight, bitmap.getHeight()); 72d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru } 73d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 74d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru public void testFindBestSampleSize() { 75d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // desired == actual == 1 76d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(1, ImageRequest.findBestSampleSize(100, 150, 100, 150)); 77d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 78d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // exactly half == 2 79d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(2, ImageRequest.findBestSampleSize(280, 160, 140, 80)); 80d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 81d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // just over half == 1 82d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(1, ImageRequest.findBestSampleSize(1000, 800, 501, 401)); 83d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 84d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru // just under 1/4 == 4 85d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru assertEquals(4, ImageRequest.findBestSampleSize(100, 200, 24, 50)); 86d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru } 87d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 88d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru private static byte[] readRawResource(Resources res, int resId) throws IOException { 89d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru InputStream in = res.openRawResource(resId); 90d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru ByteArrayOutputStream bytes = new ByteArrayOutputStream(); 91d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru byte[] buffer = new byte[1024]; 92d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru int count; 93d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru while ((count = in.read(buffer)) != -1) { 94d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru bytes.write(buffer, 0, count); 95d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru } 96d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru in.close(); 97d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru return bytes.toByteArray(); 98d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru } 99d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru 100d56b88ae161057e848e7410d1b9ce5b0b8c427fcJean-Baptiste Queru} 101