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.os.cts;
18 
19 import static org.junit.Assert.assertEquals;
20 import static org.junit.Assert.fail;
21 
22 import android.os.ParcelFileDescriptor;
23 import android.os.ParcelFileDescriptor.AutoCloseInputStream;
24 import android.platform.test.annotations.AppModeSdkSandbox;
25 
26 import androidx.test.runner.AndroidJUnit4;
27 
28 import org.junit.Test;
29 import org.junit.runner.RunWith;
30 
31 import java.io.IOException;
32 
33 @AppModeSdkSandbox(reason = "Allow test in the SDK sandbox (does not prevent other modes).")
34 @RunWith(AndroidJUnit4.class)
35 public class ParcelFileDescriptor_AutoCloseInputStreamTest {
36     @Test
testAutoCloseInputStream()37     public void testAutoCloseInputStream() throws Exception {
38         ParcelFileDescriptor pf = ParcelFileDescriptorTest.makeParcelFileDescriptor();
39 
40         AutoCloseInputStream in = new AutoCloseInputStream(pf);
41         assertEquals(0, in.read());
42 
43         in.close();
44 
45         try {
46             in.read();
47             fail("Failed to throw exception.");
48         } catch (IOException e) {
49             // expected
50         }
51     }
52 }
53