1 files changed, 15 insertions, 0 deletions
diff --git a/tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java b/tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java
index 253310840..7e598db31 100644
--- a/tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java
@@ -29,6 +29,7 @@ import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.security.ProviderException;
 import java.util.Random;
 
 import javax.crypto.Mac;
@@ -69,4 +70,18 @@ public class MacAddressUtilTest {
             assertTrue(WifiConfiguration.isValidMacAddressForRandomization(macAddress));
         }
     }
+
+    /**
+     * Verify the java.security.ProviderException is caught.
+     */
+    @Test
+    public void testCalculatePersistentMacCatchesException() {
+        when(mMac.doFinal(any())).thenThrow(new ProviderException("error occurred"));
+        try {
+            WifiConfiguration config = WifiConfigurationTestUtil.createOpenNetwork();
+            assertNull(mMacAddressUtil.calculatePersistentMacForConfiguration(config, mMac));
+        } catch (Exception e) {
+            fail("Exception not caught.");
+        }
+    }
 }