commit 5e7dcbd1f1dfcb8e0121de974be9fb90d1843c8e
author xshu <xshu@google.com> Mon Mar 09 18:10:21 2020 -0700
committer xshu <xshu@google.com> Tue Mar 10 13:41:37 2020 -0700
tree 98a90eca5571fc90d7276c1b38ed0e5918cae406
parent ff16f496f19f64c7d062024d3bdf09f0b5865d82

CTS - getFactoryMacAddresses

Verify that a valid MAC address is being
returned when wifi is connected.

Bug: 151117962
Test: atest WifiManagerTest
Change-Id: Ia615c7c2787d6312d598f0bb1ef183a4b914541d

tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java

diff --git a/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java b/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
index 5bdd712..e89f175 100644
--- a/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
+++ b/tests/cts/net/src/android/net/wifi/cts/WifiManagerTest.java
@@ -32,6 +32,7 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.net.util.MacAddressUtils;
 import android.net.ConnectivityManager;
 import android.net.LinkProperties;
 import android.net.MacAddress;
@@ -42,6 +43,7 @@
 import android.net.wifi.ScanResult;
 import android.net.wifi.SoftApConfiguration;
 import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.WifiLock;
 import android.net.wifi.WifiNetworkConnectionStatistics;
@@ -1392,6 +1394,34 @@
         }
     }
 
+    /**
+     * Tests {@link WifiManager#getFactoryMacAddresses()} returns at least one valid MAC address.
+     */
+    public void testGetFactoryMacAddresses() throws Exception {
+        if (!WifiFeature.isWifiSupported(getContext())) {
+            // skip the test if WiFi is not supported
+            return;
+        }
+        TestActionListener actionListener = new TestActionListener(mLock);
+        UiAutomation uiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation();
+        int newNetworkId = INVALID_NETWORK_ID;
+        try {
+            uiAutomation.adoptShellPermissionIdentity();
+            // Obtain the factory MAC address
+            String[] macAddresses = mWifiManager.getFactoryMacAddresses();
+            assertTrue("At list one MAC address should be returned.", macAddresses.length > 0);
+            try {
+                MacAddress mac = MacAddress.fromString(macAddresses[0]);
+                assertNotEquals(WifiInfo.DEFAULT_MAC_ADDRESS, mac);
+                assertFalse(MacAddressUtils.isMulticastAddress(mac));
+            } catch (IllegalArgumentException e) {
+                fail("Factory MAC address is invalid");
+            }
+        } finally {
+            uiAutomation.dropShellPermissionIdentity();
+        }
+    }
+
     private static class TestTrafficStateCallback implements WifiManager.TrafficStateCallback {
         private final Object mLock;
         public boolean onStateChangedCalled = false;