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 android.app.Activity;
20 import android.content.Intent;
21 import android.net.Uri;
22 import android.os.Environment;
23 import android.os.Process;
24 import android.provider.MediaStore;
25 import android.test.InstrumentationTestCase;
26 
27 import androidx.test.filters.LargeTest;
28 
29 import com.android.camera.CameraActivity;
30 
31 import java.io.File;
32 import java.lang.ref.WeakReference;
33 import java.util.ArrayList;
34 
35 public class CameraTest extends InstrumentationTestCase {
36     @LargeTest
testVideoCaptureIntentFdLeak()37     public void testVideoCaptureIntentFdLeak() throws Exception {
38         Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
39         intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
40         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
41         intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.parse("file://"
42                 + Environment.getExternalStorageDirectory().toString()
43                 + "test_fd_leak.3gp"));
44         getInstrumentation().startActivitySync(intent).finish();
45         // Test if the fd is closed.
46         for (File f: new File("/proc/" + Process.myPid() + "/fd").listFiles()) {
47             assertEquals(-1, f.getCanonicalPath().indexOf("test_fd_leak.3gp"));
48         }
49     }
50 
51     @LargeTest
testActivityLeak()52     public void testActivityLeak() throws Exception {
53         checkActivityLeak(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
54         checkActivityLeak(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
55     }
56 
checkActivityLeak(String action)57     private void checkActivityLeak(String action) throws Exception {
58         final int TEST_COUNT = 5;
59         Intent intent = new Intent(action);
60         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
61         intent.setClass(getInstrumentation().getTargetContext(),
62                 CameraActivity.class);
63         ArrayList<WeakReference<Activity>> refs =
64                 new ArrayList<WeakReference<Activity>>();
65         for (int i = 0; i < TEST_COUNT; i++) {
66             Activity activity = getInstrumentation().startActivitySync(intent);
67             refs.add(new WeakReference<Activity>(activity));
68             activity.finish();
69             getInstrumentation().waitForIdleSync();
70             activity = null;
71         }
72         Runtime.getRuntime().gc();
73         Runtime.getRuntime().runFinalization();
74         Runtime.getRuntime().gc();
75         int refCount = 0;
76         for (WeakReference<Activity> c: refs) {
77             if (c.get() != null) refCount++;
78         }
79         // If applications are leaking activity, every reference is reachable.
80         assertTrue(refCount != TEST_COUNT);
81     }
82 }
83