1 /*
2  * Copyright (C) 2009 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.permission.cts;
18 
19 import java.io.FileNotFoundException;
20 import java.io.FileOutputStream;
21 import java.io.IOException;
22 
23 import android.os.Environment;
24 import android.test.AndroidTestCase;
25 
26 /**
27  * Test writing to SD card requires permissions
28  */
29 public class NoSdCardWritePermissionTest extends AndroidTestCase {
30 
31     /**
32      * Verify that writing to the external storage device requires {@link
33      * android.permission.WRITE_EXTERNAL_STORAGE}.
34      * @since 4
35      */
testWriteExternalStorage()36     public void testWriteExternalStorage() throws FileNotFoundException, IOException {
37         try {
38             String fl = Environment.getExternalStorageDirectory().toString() +
39                          "/this-should-not-exist.txt";
40             FileOutputStream strm = new FileOutputStream(fl);
41             strm.write("Oops!".getBytes());
42             strm.flush();
43             strm.close();
44             fail("Was able to create and write to " + fl);
45         } catch (SecurityException e) {
46             // expected
47         } catch (FileNotFoundException e) {
48             // expected
49         }
50     }
51 }
52