| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.net.wifi.cts; |
| |
| import java.util.List; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiManager.WifiLock; |
| import android.test.AndroidTestCase; |
| import android.util.Log; |
| |
| public class ScanResultTest extends AndroidTestCase { |
| private static class MySync { |
| int expectedState = STATE_NULL; |
| } |
| |
| private WifiManager mWifiManager; |
| private WifiLock mWifiLock; |
| private static MySync mMySync; |
| |
| private static final int STATE_NULL = 0; |
| private static final int STATE_WIFI_CHANGING = 1; |
| private static final int STATE_WIFI_CHANGED = 2; |
| private static final int STATE_START_SCAN = 3; |
| private static final int STATE_SCAN_RESULTS_AVAILABLE = 4; |
| |
| private static final String TAG = "WifiInfoTest"; |
| private static final int TIMEOUT_MSEC = 6000; |
| private static final int WAIT_MSEC = 60; |
| private static final int ENABLE_WAIT_MSEC = 10000; |
| private static final int SCAN_WAIT_MSEC = 10000; |
| private IntentFilter mIntentFilter; |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION)) { |
| synchronized (mMySync) { |
| mMySync.expectedState = STATE_WIFI_CHANGED; |
| mMySync.notify(); |
| } |
| } else if (action.equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) { |
| synchronized (mMySync) { |
| mMySync.expectedState = STATE_SCAN_RESULTS_AVAILABLE; |
| mMySync.notify(); |
| } |
| } |
| } |
| }; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| if (!WifiFeature.isWifiSupported(getContext())) { |
| // skip the test if WiFi is not supported |
| return; |
| } |
| mMySync = new MySync(); |
| mIntentFilter = new IntentFilter(); |
| mIntentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| mIntentFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); |
| mIntentFilter.addAction(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION); |
| mIntentFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION); |
| mIntentFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); |
| mIntentFilter.addAction(WifiManager.RSSI_CHANGED_ACTION); |
| mIntentFilter.addAction(WifiManager.NETWORK_IDS_CHANGED_ACTION); |
| mIntentFilter.addAction(WifiManager.ACTION_PICK_WIFI_NETWORK); |
| |
| mContext.registerReceiver(mReceiver, mIntentFilter); |
| mWifiManager = (WifiManager) getContext().getSystemService(Context.WIFI_SERVICE); |
| assertNotNull(mWifiManager); |
| mWifiLock = mWifiManager.createWifiLock(TAG); |
| mWifiLock.acquire(); |
| if (!mWifiManager.isWifiEnabled()) |
| setWifiEnabled(true); |
| Thread.sleep(ENABLE_WAIT_MSEC); |
| assertTrue(mWifiManager.isWifiEnabled()); |
| mMySync.expectedState = STATE_NULL; |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| if (!WifiFeature.isWifiSupported(getContext())) { |
| // skip the test if WiFi is not supported |
| super.tearDown(); |
| return; |
| } |
| mWifiLock.release(); |
| mContext.unregisterReceiver(mReceiver); |
| if (!mWifiManager.isWifiEnabled()) |
| setWifiEnabled(true); |
| Thread.sleep(ENABLE_WAIT_MSEC); |
| super.tearDown(); |
| } |
| |
| private void setWifiEnabled(boolean enable) throws Exception { |
| synchronized (mMySync) { |
| mMySync.expectedState = STATE_WIFI_CHANGING; |
| assertTrue(mWifiManager.setWifiEnabled(enable)); |
| waitForBroadcast(TIMEOUT_MSEC, STATE_WIFI_CHANGED); |
| } |
| } |
| |
| private void waitForBroadcast(long timeout, int expectedState) throws Exception { |
| long waitTime = System.currentTimeMillis() + timeout; |
| while (System.currentTimeMillis() < waitTime |
| && mMySync.expectedState != expectedState) |
| mMySync.wait(WAIT_MSEC); |
| } |
| |
| public void testScanResultProperties() { |
| if (!WifiFeature.isWifiSupported(getContext())) { |
| // skip the test if WiFi is not supported |
| return; |
| } |
| List<ScanResult> scanResults = mWifiManager.getScanResults(); |
| // this test case should in Wifi environment |
| for (int i = 0; i < scanResults.size(); i++) { |
| ScanResult mScanResult = scanResults.get(i); |
| assertNotNull(mScanResult.toString()); |
| } |
| } |
| |
| private void scanAndWait() throws Exception { |
| synchronized (mMySync) { |
| mMySync.expectedState = STATE_START_SCAN; |
| mWifiManager.startScan(); |
| waitForBroadcast(SCAN_WAIT_MSEC, STATE_SCAN_RESULTS_AVAILABLE); |
| } |
| } |
| |
| public void testScanResultTimeStamp() throws Exception { |
| if (!WifiFeature.isWifiSupported(getContext())) { |
| // skip the test if WiFi is not supported |
| return; |
| } |
| |
| long timestamp = 0; |
| String BSSID = null; |
| |
| /* Multiple scans to ensure bssid is updated */ |
| scanAndWait(); |
| scanAndWait(); |
| scanAndWait(); |
| |
| List<ScanResult> scanResults = mWifiManager.getScanResults(); |
| for (ScanResult result : scanResults) { |
| BSSID = result.BSSID; |
| timestamp = result.timestamp; |
| assertTrue(timestamp != 0); |
| break; |
| } |
| |
| scanAndWait(); |
| scanAndWait(); |
| scanAndWait(); |
| |
| scanResults = mWifiManager.getScanResults(); |
| for (ScanResult result : scanResults) { |
| if (result.BSSID.equals(BSSID)) { |
| long timeDiff = (result.timestamp - timestamp) / 1000; |
| assertTrue (timeDiff > 0); |
| assertTrue (timeDiff < 6 * SCAN_WAIT_MSEC); |
| } |
| } |
| |
| } |
| |
| } |