1 /* 2 * Copyright (C) 2009 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.net.Uri; 20 import android.test.AndroidTestCase; 21 import android.test.suitebuilder.annotation.LargeTest; 22 import android.test.suitebuilder.annotation.MediumTest; 23 import android.test.suitebuilder.annotation.SmallTest; 24 25 import java.io.InputStream; 26 import java.util.Arrays; 27 28 /** 29 * Tests reading a MemoryFile-based AssestFile from a ContentProvider running 30 * in a different process. 31 */ 32 public class MemoryFileProviderTest extends AndroidTestCase { 33 34 // reads from a cross-process AssetFileDescriptor for a MemoryFile 35 @MediumTest 36 public void testRead() throws Exception { 37 ContentResolver resolver = getContext().getContentResolver(); 38 Uri uri = Uri.parse("content://android.content.MemoryFileProvider/data/1/blob"); 39 byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; 40 InputStream in = resolver.openInputStream(uri); 41 assertNotNull(in); 42 int count = in.read(buf); 43 assertEquals(buf.length, count); 44 assertEquals(-1, in.read()); 45 in.close(); 46 assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); 47 } 48 49 // tests that we don't leak file descriptors or virtual address space 50 @LargeTest 51 public void testClose() throws Exception { 52 ContentResolver resolver = getContext().getContentResolver(); 53 // open enough file descriptors that we will crash something if we leak FDs 54 // or address space 55 for (int i = 0; i < 1025; i++) { 56 Uri uri = Uri.parse("content://android.content.MemoryFileProvider/huge"); 57 InputStream in = resolver.openInputStream(uri); 58 assertNotNull("Failed to open stream number " + i, in); 59 byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; 60 int count = in.read(buf); 61 assertEquals(buf.length, count); 62 assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); 63 in.close(); 64 } 65 } 66 67 // tests that we haven't broken AssestFileDescriptors for normal files. 68 @SmallTest 69 public void testFile() throws Exception { 70 ContentResolver resolver = getContext().getContentResolver(); 71 Uri uri = Uri.parse("content://android.content.MemoryFileProvider/file"); 72 byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; 73 InputStream in = resolver.openInputStream(uri); 74 assertNotNull(in); 75 int count = in.read(buf); 76 assertEquals(buf.length, count); 77 assertEquals(-1, in.read()); 78 in.close(); 79 assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); 80 } 81 82 } 83
