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      1 /*
      2  * Copyright (C) 2008 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 android.util;
     18 
     19 import junit.framework.Assert;
     20 
     21 import android.test.InstrumentationTestCase;
     22 import android.test.TouchUtils;
     23 import android.view.View;
     24 
     25 /**
     26  * When entering touch mode via touch, the tests can be flaky.  These asserts
     27  * are more flexible (allowing up to MAX_ATTEMPTS touches to enter touch mode via touch or
     28  * tap) until we can find a way to solve the flakiness.
     29  */
     30 public class TouchModeFlexibleAsserts {
     31 
     32     private static int MAX_ATTEMPTS = 2;
     33 
     34     private static int MAX_DELAY_MILLIS = 2000;
     35 
     36     public static void assertInTouchModeAfterClick(InstrumentationTestCase test, View viewToTouch) {
     37         int numAttemptsAtTouchMode = 0;
     38         while (numAttemptsAtTouchMode < MAX_ATTEMPTS &&
     39                 !viewToTouch.isInTouchMode()) {
     40             TouchUtils.clickView(test, viewToTouch);
     41             numAttemptsAtTouchMode++;
     42         }
     43         Assert.assertTrue("even after " + MAX_ATTEMPTS + " clicks, did not enter "
     44                 + "touch mode", viewToTouch.isInTouchMode());
     45         //Assert.assertEquals("number of touches to enter touch mode", 1, numAttemptsAtTouchMode);
     46     }
     47 
     48     public static void assertInTouchModeAfterTap(InstrumentationTestCase test, View viewToTouch) {
     49         int numAttemptsAtTouchMode = 0;
     50         while (numAttemptsAtTouchMode < MAX_ATTEMPTS &&
     51                 !viewToTouch.isInTouchMode()) {
     52             TouchUtils.tapView(test, viewToTouch);
     53             numAttemptsAtTouchMode++;
     54         }
     55         Assert.assertTrue("even after " + MAX_ATTEMPTS + " taps, did not enter "
     56                 + "touch mode", viewToTouch.isInTouchMode());
     57         //Assert.assertEquals("number of touches to enter touch mode", 1, numAttemptsAtTouchMode);
     58     }
     59 
     60     public static void assertNotInTouchModeAfterKey(InstrumentationTestCase test, int keyCode, View checkForTouchMode) {
     61         test.sendKeys(keyCode);
     62         int amountLeft = MAX_DELAY_MILLIS;
     63 
     64         while (checkForTouchMode.isInTouchMode() && amountLeft > 0) {
     65             amountLeft -= 200;
     66             try {
     67                 Thread.sleep(200);
     68             } catch (InterruptedException e) {
     69                 throw new RuntimeException(e);
     70             }
     71         }
     72         Assert.assertFalse("even after waiting " + MAX_DELAY_MILLIS + " millis after "
     73                 + "pressing key event, still in touch mode", checkForTouchMode.isInTouchMode());
     74     }
     75 }
     76