| /* |
| * Copyright (C) 2014 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.os; |
| |
| import static android.os.ParcelFileDescriptor.MODE_CREATE; |
| import static android.os.ParcelFileDescriptor.MODE_READ_WRITE; |
| |
| import android.os.FileBridge.FileBridgeOutputStream; |
| import android.test.AndroidTestCase; |
| import android.test.MoreAsserts; |
| |
| import libcore.io.Streams; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Random; |
| |
| public class FileBridgeTest extends AndroidTestCase { |
| |
| private File file; |
| private ParcelFileDescriptor outputFile; |
| private FileBridge bridge; |
| private FileBridgeOutputStream client; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| file = getContext().getFileStreamPath("meow.dat"); |
| file.delete(); |
| |
| outputFile = ParcelFileDescriptor.open(file, MODE_CREATE | MODE_READ_WRITE); |
| |
| bridge = new FileBridge(); |
| bridge.setTargetFile(outputFile); |
| bridge.start(); |
| client = new FileBridgeOutputStream(bridge.getClientSocket()); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| outputFile.close(); |
| file.delete(); |
| } |
| |
| private void assertOpen() throws Exception { |
| assertFalse("expected open", bridge.isClosed()); |
| } |
| |
| private void closeAndAssertClosed() throws Exception { |
| client.close(); |
| |
| // Wait a beat for things to settle down |
| SystemClock.sleep(200); |
| assertTrue("expected closed", bridge.isClosed()); |
| } |
| |
| private void assertContents(byte[] expected) throws Exception { |
| MoreAsserts.assertEquals(expected, Streams.readFully(new FileInputStream(file))); |
| } |
| |
| public void testNoWriteNoSync() throws Exception { |
| assertOpen(); |
| closeAndAssertClosed(); |
| } |
| |
| public void testNoWriteSync() throws Exception { |
| assertOpen(); |
| client.flush(); |
| closeAndAssertClosed(); |
| } |
| |
| public void testWriteNoSync() throws Exception { |
| assertOpen(); |
| client.write("meow".getBytes(StandardCharsets.UTF_8)); |
| closeAndAssertClosed(); |
| assertContents("meow".getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| public void testWriteSync() throws Exception { |
| assertOpen(); |
| client.write("cake".getBytes(StandardCharsets.UTF_8)); |
| client.flush(); |
| closeAndAssertClosed(); |
| assertContents("cake".getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| public void testWriteSyncWrite() throws Exception { |
| assertOpen(); |
| client.write("meow".getBytes(StandardCharsets.UTF_8)); |
| client.flush(); |
| client.write("cake".getBytes(StandardCharsets.UTF_8)); |
| closeAndAssertClosed(); |
| assertContents("meowcake".getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| public void testEmptyWrite() throws Exception { |
| assertOpen(); |
| client.write(new byte[0]); |
| closeAndAssertClosed(); |
| assertContents(new byte[0]); |
| } |
| |
| public void testWriteAfterClose() throws Exception { |
| assertOpen(); |
| client.write("meow".getBytes(StandardCharsets.UTF_8)); |
| closeAndAssertClosed(); |
| try { |
| client.write("cake".getBytes(StandardCharsets.UTF_8)); |
| fail("wrote after close!"); |
| } catch (IOException expected) { |
| } |
| assertContents("meow".getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| public void testRandomWrite() throws Exception { |
| final Random r = new Random(); |
| final ByteArrayOutputStream result = new ByteArrayOutputStream(); |
| |
| for (int i = 0; i < 512; i++) { |
| final byte[] test = new byte[r.nextInt(24169)]; |
| r.nextBytes(test); |
| result.write(test); |
| client.write(test); |
| client.flush(); |
| } |
| |
| closeAndAssertClosed(); |
| assertContents(result.toByteArray()); |
| } |
| |
| public void testGiantWrite() throws Exception { |
| final byte[] test = new byte[263401]; |
| new Random().nextBytes(test); |
| |
| assertOpen(); |
| client.write(test); |
| closeAndAssertClosed(); |
| assertContents(test); |
| } |
| } |