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      1 /*
      2  * Copyright (C) 2008 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.net.wifi.cts;
     18 
     19 import android.content.Context;
     20 import android.net.wifi.WifiManager;
     21 import android.net.wifi.WifiManager.WifiLock;
     22 import android.test.AndroidTestCase;
     23 
     24 public class WifiManager_WifiLockTest extends AndroidTestCase {
     25 
     26     private static final String WIFI_TAG = "WifiManager_WifiLockTest";
     27 
     28     public void testWifiLock() {
     29         if (!WifiFeature.isWifiSupported(getContext())) {
     30             // skip the test if WiFi is not supported
     31             return;
     32         }
     33         WifiManager wm = (WifiManager) getContext().getSystemService(Context.WIFI_SERVICE);
     34         WifiLock wl = wm.createWifiLock(WIFI_TAG);
     35 
     36         wl.setReferenceCounted(true);
     37         assertFalse(wl.isHeld());
     38         wl.acquire();
     39         assertTrue(wl.isHeld());
     40         wl.release();
     41         assertFalse(wl.isHeld());
     42         wl.acquire();
     43         wl.acquire();
     44         assertTrue(wl.isHeld());
     45         wl.release();
     46         assertTrue(wl.isHeld());
     47         wl.release();
     48         assertFalse(wl.isHeld());
     49         assertNotNull(wl.toString());
     50         try {
     51             wl.release();
     52             fail("should throw out exception because release is called"
     53                     +" a greater number of times than acquire");
     54         } catch (RuntimeException e) {
     55             // expected
     56         }
     57 
     58         wl = wm.createWifiLock(WIFI_TAG);
     59         wl.setReferenceCounted(false);
     60         assertFalse(wl.isHeld());
     61         wl.acquire();
     62         assertTrue(wl.isHeld());
     63         wl.release();
     64         assertFalse(wl.isHeld());
     65         wl.acquire();
     66         wl.acquire();
     67         assertTrue(wl.isHeld());
     68         wl.release();
     69         assertFalse(wl.isHeld());
     70         assertNotNull(wl.toString());
     71         // should be ignored
     72         wl.release();
     73     }
     74 }
     75