CameraTest.java revision 3189c037886fda47be73da9885e6760df50efd71 
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
17package com.android.camera.functional;
18
19import com.android.camera.CameraActivity;
20
21import android.app.Activity;
22import android.content.Intent;
23import android.net.Uri;
24import android.os.Environment;
25import android.os.Process;
26import android.provider.MediaStore;
27import android.test.InstrumentationTestCase;
28import android.test.suitebuilder.annotation.LargeTest;
29
30import java.io.File;
31import java.lang.ref.WeakReference;
32import java.util.ArrayList;
33
34public class CameraTest extends InstrumentationTestCase {
35    @LargeTest
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
51    public void testActivityLeak() throws Exception {
52        checkActivityLeak(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
53        checkActivityLeak(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
54    }
55
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