1 /* 2 * Copyright (C) 2012 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 com.android.cts.tradefed.testtype; 18 19 import com.android.cts.tradefed.targetprep.SettingsToggler; 20 import com.android.tradefed.device.DeviceNotAvailableException; 21 import com.android.tradefed.result.ITestInvocationListener; 22 23 /** 24 * Running the display tests requires modification of secure settings to create an overlay display. 25 * Secure settings cannot be changed from device CTS tests since system signature permission is 26 * required. Such settings can be modified by the shell user, so a host side test is used. 27 */ 28 public class DisplayTestRunner extends CtsInstrumentationApkTest { 29 private static final String OVERLAY_DISPLAY_DEVICES_SETTING_NAME = "overlay_display_devices"; 30 31 // Use a non-standard pattern, must match values in tests/tests/display/.../DisplayTest.java 32 private static final String OVERLAY_DISPLAY_DEVICES_SETTING_VALUE = "1281x721/214"; 33 34 @Override 35 public void run(ITestInvocationListener listener) throws DeviceNotAvailableException { 36 // CLog.e("run: About to enable overlay display."); 37 SettingsToggler.setGlobalString(getDevice(), OVERLAY_DISPLAY_DEVICES_SETTING_NAME, 38 OVERLAY_DISPLAY_DEVICES_SETTING_VALUE); 39 40 super.run(listener); 41 42 // Tear down overlay display. 43 // CLog.e("run: About to disable overlay display."); 44 SettingsToggler.setGlobalString(getDevice(), OVERLAY_DISPLAY_DEVICES_SETTING_NAME, 45 ""); 46 } 47 } 48