1 /* 2 * Copyright (C) 2022 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 package android.car.extendedapitest; 17 18 import static android.hardware.automotive.vehicle.TestVendorProperty.ECHO_REVERSE_BYTES; 19 20 import static com.android.compatibility.common.util.SystemUtil.runShellCommand; 21 22 import static com.google.common.truth.Truth.assertThat; 23 24 import static org.junit.Assume.assumeTrue; 25 26 import android.app.UiAutomation; 27 import android.car.extendedapitest.testbase.CarApiTestBase; 28 29 import androidx.test.platform.app.InstrumentationRegistry; 30 31 import org.junit.After; 32 import org.junit.Before; 33 import org.junit.Test; 34 35 import java.io.IOException; 36 37 public final class VehicleHalLargeParcelableTest extends CarApiTestBase { 38 // TODO(b/225401892): Change this to a VTS test once ECHO_REVERSE_BYTES is defined as a system 39 // property. 40 private UiAutomation mUiAutomation; 41 42 @Before setUp()43 public void setUp() { 44 mUiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation(); 45 mUiAutomation.adoptShellPermissionIdentity( 46 android.car.Car.PERMISSION_CAR_DIAGNOSTIC_READ_ALL); 47 } 48 49 @After tearDown()50 public void tearDown() { 51 mUiAutomation.dropShellPermissionIdentity(); 52 } 53 54 @Test testEchoReverseBytesSmallData()55 public void testEchoReverseBytesSmallData() throws Exception { 56 // 1k data should be sent through direct payload. 57 echoReverseBytes(1024); 58 } 59 60 @Test testEchoReverseBytesLargeData()61 public void testEchoReverseBytesLargeData() throws Exception { 62 // 16k data should be sent through shared memory. 63 echoReverseBytes(16 * 1024); 64 } 65 echoReverseBytes(int size)66 void echoReverseBytes(int size) throws IOException { 67 String result = runShellCommand(mUiAutomation, "cmd car_service test-echo-reverse-bytes " 68 + ECHO_REVERSE_BYTES + " " + size); 69 assumeTrue("ECHO_REVERSE_BYTES is not supported", !result.contains("Test Skipped")); 70 assertThat(result).contains("Test Succeeded"); 71 } 72 } 73