| /* |
| * Copyright (C) 2015 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 com.android.mtp; |
| |
| import android.content.Context; |
| import android.hardware.usb.UsbDevice; |
| import android.hardware.usb.UsbManager; |
| import android.mtp.MtpConstants; |
| import android.mtp.MtpEvent; |
| import android.mtp.MtpObjectInfo; |
| import android.os.CancellationSignal; |
| import android.os.OperationCanceledException; |
| import android.os.ParcelFileDescriptor; |
| import android.os.SystemClock; |
| import android.test.InstrumentationTestCase; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.FutureTask; |
| import java.util.concurrent.TimeUnit; |
| |
| @RealDeviceTest |
| public class MtpManagerTest extends InstrumentationTestCase { |
| private static final int TIMEOUT_MS = 1000; |
| UsbManager mUsbManager; |
| MtpManager mManager; |
| UsbDevice mUsbDevice; |
| |
| @Override |
| public void setUp() throws Exception { |
| mUsbManager = getContext().getSystemService(UsbManager.class); |
| mManager = new MtpManager(getContext()); |
| mUsbDevice = TestUtil.setupMtpDevice(getInstrumentation(), mUsbManager, mManager); |
| } |
| |
| @Override |
| public void tearDown() throws IOException { |
| mManager.closeDevice(mUsbDevice.getDeviceId()); |
| } |
| |
| @Override |
| public TestResultInstrumentation getInstrumentation() { |
| return (TestResultInstrumentation) super.getInstrumentation(); |
| } |
| |
| public void testCancelEvent() throws Exception { |
| final CancellationSignal signal = new CancellationSignal(); |
| final FutureTask<Boolean> future = new FutureTask<Boolean>( |
| new Callable<Boolean>() { |
| @Override |
| public Boolean call() throws IOException { |
| try { |
| while (true) { |
| mManager.readEvent(mUsbDevice.getDeviceId(), signal); |
| } |
| } catch (OperationCanceledException exception) { |
| return true; |
| } |
| } |
| }); |
| final Thread thread = new Thread(future); |
| thread.start(); |
| SystemClock.sleep(TIMEOUT_MS); |
| signal.cancel(); |
| assertTrue(future.get(TIMEOUT_MS, TimeUnit.MILLISECONDS)); |
| } |
| |
| public void testOperationsSupported() { |
| final MtpDeviceRecord[] records = mManager.getDevices(); |
| assertEquals(1, records.length); |
| assertNotNull(records[0].operationsSupported); |
| getInstrumentation().show(Arrays.toString(records[0].operationsSupported)); |
| } |
| |
| public void testEventsSupported() { |
| final MtpDeviceRecord[] records = mManager.getDevices(); |
| assertEquals(1, records.length); |
| assertNotNull(records[0].eventsSupported); |
| getInstrumentation().show(Arrays.toString(records[0].eventsSupported)); |
| } |
| |
| public void testEventObjectAdded() throws Exception { |
| while (true) { |
| getInstrumentation().show("Please take a photo by using connected MTP device."); |
| final CancellationSignal signal = new CancellationSignal(); |
| MtpEvent event = mManager.readEvent(mUsbDevice.getDeviceId(), signal); |
| if (event.getEventCode() != MtpConstants.EVENT_OBJECT_ADDED) { |
| continue; |
| } |
| assertTrue(event.getObjectHandle() != 0); |
| break; |
| } |
| } |
| |
| public void testCreateDocumentAndGetPartialObject() throws Exception { |
| int storageId = 0; |
| for (final MtpDeviceRecord record : mManager.getDevices()) { |
| if (record.deviceId == mUsbDevice.getDeviceId()) { |
| storageId = record.roots[0].mStorageId; |
| break; |
| } |
| } |
| assertTrue("Valid storage not found.", storageId != 0); |
| |
| final String testFileName = "MtpManagerTest_testFile.txt"; |
| for (final int handle : mManager.getObjectHandles( |
| mUsbDevice.getDeviceId(), storageId, MtpManager.OBJECT_HANDLE_ROOT_CHILDREN)) { |
| if (mManager.getObjectInfo(mUsbDevice.getDeviceId(), handle) |
| .getName().equals(testFileName)) { |
| mManager.deleteDocument(mUsbDevice.getDeviceId(), handle); |
| break; |
| } |
| } |
| |
| final ParcelFileDescriptor[] fds = ParcelFileDescriptor.createPipe(); |
| final byte[] expectedBytes = "Hello Android!".getBytes("ascii"); |
| try (final ParcelFileDescriptor.AutoCloseOutputStream stream = |
| new ParcelFileDescriptor.AutoCloseOutputStream(fds[1])) { |
| stream.write(expectedBytes); |
| } |
| final int objectHandle = mManager.createDocument( |
| mUsbDevice.getDeviceId(), |
| new MtpObjectInfo.Builder() |
| .setStorageId(storageId) |
| .setName(testFileName) |
| .setCompressedSize(expectedBytes.length) |
| .setFormat(MtpConstants.FORMAT_TEXT) |
| .build(), |
| fds[0]); |
| final byte[] bytes = new byte[100]; |
| assertEquals(5, mManager.getPartialObject( |
| mUsbDevice.getDeviceId(), objectHandle, 0, 5, bytes)); |
| assertEquals("Hello", new String(bytes, 0, 5, "ascii")); |
| assertEquals(8, mManager.getPartialObject( |
| mUsbDevice.getDeviceId(), objectHandle, 6, 100, bytes)); |
| assertEquals("Android!", new String(bytes, 0, 8, "ascii")); |
| } |
| |
| private Context getContext() { |
| return getInstrumentation().getContext(); |
| } |
| } |