| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.content; |
| |
| import android.net.Uri; |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import java.io.InputStream; |
| import java.util.Arrays; |
| |
| /** |
| * Tests reading a MemoryFile-based AssestFile from a ContentProvider running |
| * in a different process. |
| */ |
| public class MemoryFileProviderTest extends AndroidTestCase { |
| |
| // reads from a cross-process AssetFileDescriptor for a MemoryFile |
| @MediumTest |
| public void testRead() throws Exception { |
| ContentResolver resolver = getContext().getContentResolver(); |
| Uri uri = Uri.parse("content://android.content.MemoryFileProvider/data/1/blob"); |
| byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; |
| InputStream in = resolver.openInputStream(uri); |
| assertNotNull(in); |
| int count = in.read(buf); |
| assertEquals(buf.length, count); |
| assertEquals(-1, in.read()); |
| in.close(); |
| assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); |
| } |
| |
| // tests that we don't leak file descriptors or virtual address space |
| @LargeTest |
| public void testClose() throws Exception { |
| ContentResolver resolver = getContext().getContentResolver(); |
| // open enough file descriptors that we will crash something if we leak FDs |
| // or address space |
| for (int i = 0; i < 1025; i++) { |
| Uri uri = Uri.parse("content://android.content.MemoryFileProvider/huge"); |
| InputStream in = resolver.openInputStream(uri); |
| assertNotNull("Failed to open stream number " + i, in); |
| byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; |
| int count = in.read(buf); |
| assertEquals(buf.length, count); |
| assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); |
| in.close(); |
| } |
| } |
| |
| // tests that we haven't broken AssestFileDescriptors for normal files. |
| @SmallTest |
| public void testFile() throws Exception { |
| ContentResolver resolver = getContext().getContentResolver(); |
| Uri uri = Uri.parse("content://android.content.MemoryFileProvider/file"); |
| byte[] buf = new byte[MemoryFileProvider.TEST_BLOB.length]; |
| InputStream in = resolver.openInputStream(uri); |
| assertNotNull(in); |
| int count = in.read(buf); |
| assertEquals(buf.length, count); |
| assertEquals(-1, in.read()); |
| in.close(); |
| assertTrue(Arrays.equals(MemoryFileProvider.TEST_BLOB, buf)); |
| } |
| |
| } |