1 /*
2  * Copyright (C) 2010 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.camera.functional;
18 
19 import com.android.camera.CameraActivity;
20 
21 import android.app.Activity;
22 import android.content.Intent;
23 import android.net.Uri;
24 import android.os.Environment;
25 import android.os.Process;
26 import android.provider.MediaStore;
27 import android.test.InstrumentationTestCase;
28 import android.test.suitebuilder.annotation.LargeTest;
29 
30 import java.io.File;
31 import java.lang.ref.WeakReference;
32 import java.util.ArrayList;
33 
34 public class CameraTest extends InstrumentationTestCase {
35     @LargeTest
testVideoCaptureIntentFdLeak()36     public void testVideoCaptureIntentFdLeak() throws Exception {
37         Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
38         intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
39         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
40         intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.parse("file://"
41                 + Environment.getExternalStorageDirectory().toString()
42                 + "test_fd_leak.3gp"));
43         getInstrumentation().startActivitySync(intent).finish();
44         // Test if the fd is closed.
45         for (File f: new File("/proc/" + Process.myPid() + "/fd").listFiles()) {
46             assertEquals(-1, f.getCanonicalPath().indexOf("test_fd_leak.3gp"));
47         }
48     }
49 
50     @LargeTest
testActivityLeak()51     public void testActivityLeak() throws Exception {
52         checkActivityLeak(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
53         checkActivityLeak(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
54     }
55 
checkActivityLeak(String action)56     private void checkActivityLeak(String action) throws Exception {
57         final int TEST_COUNT = 5;
58         Intent intent = new Intent(action);
59         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
60         intent.setClass(getInstrumentation().getTargetContext(),
61                 CameraActivity.class);
62         ArrayList<WeakReference<Activity>> refs =
63                 new ArrayList<WeakReference<Activity>>();
64         for (int i = 0; i < TEST_COUNT; i++) {
65             Activity activity = getInstrumentation().startActivitySync(intent);
66             refs.add(new WeakReference<Activity>(activity));
67             activity.finish();
68             getInstrumentation().waitForIdleSync();
69             activity = null;
70         }
71         Runtime.getRuntime().gc();
72         Runtime.getRuntime().runFinalization();
73         Runtime.getRuntime().gc();
74         int refCount = 0;
75         for (WeakReference<Activity> c: refs) {
76             if (c.get() != null) refCount++;
77         }
78         // If applications are leaking activity, every reference is reachable.
79         assertTrue(refCount != TEST_COUNT);
80     }
81 }
82