1 /*
2  * Copyright (C) 2013 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.cts.usb.serialtest;
18 
19 import android.os.Build;
20 import android.util.Log;
21 
22 import androidx.test.runner.AndroidJUnit4;
23 
24 import com.android.compatibility.common.util.ShellIdentityUtils;
25 
26 import org.junit.Test;
27 import org.junit.runner.RunWith;
28 
29 /**
30  * Device test which reads Build.SERIAL and just print it.
31  */
32 @RunWith(AndroidJUnit4.class)
33 public class UsbSerialTest {
34     private static final String TAG = "CtsUsbSerialTest";
35 
36     @Test
logSerial()37     public void logSerial() {
38         // Since device identifiers are no longer accessible to third party apps invoke the
39         // Build#getSerial method with the shell identity's permissions.
40         Log.e(TAG, ShellIdentityUtils.invokeStaticMethodWithShellPermissions(Build::getSerial));
41     }
42 
43     @Test(expected = SecurityException.class)
verifySerialCannotBeRead()44     public void verifySerialCannotBeRead() {
45         Build.getSerial();
46     }
47 }
48