1 /* 2 * Copyright (C) 2008 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.content; 18 19 import android.content.res.AssetManager; 20 import android.test.AndroidTestCase; 21 import android.test.suitebuilder.annotation.SmallTest; 22 23 import java.io.IOException; 24 import java.io.InputStream; 25 26 public class AssetTest extends AndroidTestCase { 27 private AssetManager mAssets; 28 29 @Override 30 protected void setUp() throws Exception { 31 super.setUp(); 32 mAssets = mContext.getAssets(); 33 } 34 35 public static void verifyTextAsset(InputStream is) throws IOException { 36 String expectedString = "OneTwoThreeFourFiveSixSevenEightNineTen"; 37 byte[] buffer = new byte[10]; 38 39 int readCount; 40 int curIndex = 0; 41 while ((readCount = is.read(buffer, 0, buffer.length)) > 0) { 42 for (int i = 0; i < readCount; i++) { 43 assertEquals("At index " + curIndex 44 + " expected " + expectedString.charAt(curIndex) 45 + " but found " + ((char) buffer[i]), 46 buffer[i], expectedString.charAt(curIndex)); 47 curIndex++; 48 } 49 } 50 51 readCount = is.read(buffer, 0, buffer.length); 52 assertEquals("Reading end of buffer: expected readCount=-1 but got " + readCount, 53 -1, readCount); 54 55 readCount = is.read(buffer, buffer.length, 0); 56 assertEquals("Reading end of buffer length 0: expected readCount=0 but got " + readCount, 57 0, readCount); 58 59 is.close(); 60 } 61 62 @SmallTest 63 public void testReadToEnd() throws Exception { 64 InputStream is = mAssets.open("text.txt"); 65 verifyTextAsset(is); 66 } 67 68 // XXX failing 69 public void xxtestListDir() throws Exception { 70 String[] files = mAssets.list(""); 71 assertEquals(1, files.length); 72 assertEquals("test.txt", files[0]); 73 } 74 } 75