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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.cts.refapp;
     18 
     19 import android.app.Activity;
     20 import android.test.ActivityInstrumentationTestCase2;
     21 import android.util.Log;
     22 
     23 import java.lang.InterruptedException;
     24 import java.lang.Thread;
     25 
     26 /**
     27  * Base Class that provides common functionality for all Reference Application Tests.
     28  */
     29 public class ReferenceAppTestCase<T extends Activity> extends ActivityInstrumentationTestCase2<T> {
     30     /** The time to wait for the test host to finish taking the snapshot. */
     31     private static final int SNAPSHOT_TIMEOUT_MS = 1000;
     32     /** The default time that the applicaiton has to start in. */
     33     private static final int DEFAULT_MAX_STATUP_TIME_MS = 5000;
     34 
     35     private int maxStartupTimeMs;
     36 
     37     /**
     38      * Create a ReferenceAppTestCase for the specified activity.
     39      *
     40      * @param pkg the java package the class is contained in.
     41      * @param activityClass the class of the activity to instrument.
     42      * @param maxStartupTimeMs the startup time the activity should start in.
     43      */
     44     public ReferenceAppTestCase(String pkg, Class<T> activityClass, int maxStartupTimeMs) {
     45         super(pkg, activityClass);
     46         this.maxStartupTimeMs = maxStartupTimeMs;
     47     }
     48 
     49     /**
     50      * Create a ReferenceAppTestCase for the specified activity.
     51      *
     52      * @param pkg the java package the class is contained in.
     53      * @param activityClass the class of the activity to instrument.
     54      */
     55     public ReferenceAppTestCase(String pkg, Class<T> activityClass) {
     56        this(pkg, activityClass, DEFAULT_MAX_STATUP_TIME_MS);
     57     }
     58 
     59     public void testActivityStartupTime() {
     60         // Test activity startup time.
     61 
     62         long start = System.currentTimeMillis();
     63         Activity activity = getActivity();
     64         long end = System.currentTimeMillis();
     65 
     66         long startupTime = end - start;
     67         assertTrue("Activity Startup took more than " + maxStartupTimeMs +
     68                    " ms",
     69                    startupTime <= maxStartupTimeMs);
     70     }
     71 
     72     /**
     73      * Allows tests to record screen snapshots for inclusion in the
     74      * CTS test report.
     75      *
     76      * @param name the name to save the snapshot under
     77      */
     78     public void takeSnapshot(String name) {
     79         // request a snapshot from the CTS host
     80         Log.d("ReferenceAppTestCase", "takeSnapshot:" + name);
     81         // Give the host enough time to take the picture
     82         try {
     83             Thread.sleep(SNAPSHOT_TIMEOUT_MS);
     84         } catch (InterruptedException e) {
     85             // ok
     86         }
     87     }
     88 }
     89