diff options
Diffstat (limited to 'tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java')
-rw-r--r-- | tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java | 72 |
1 files changed, 72 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 new file mode 100644 index 000000000..253310840 --- /dev/null +++ b/tests/wifitests/src/com/android/server/wifi/MacAddressUtilTest.java @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2019 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 com.android.server.wifi; + +import static org.junit.Assert.*; +import static org.mockito.Mockito.*; + +import android.net.MacAddress; +import android.net.wifi.WifiConfiguration; + +import androidx.test.filters.SmallTest; + +import org.junit.Before; +import org.junit.Test; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; + +import java.util.Random; + +import javax.crypto.Mac; + +/** + * Unit tests for {@link com.android.server.wifi.MacAddressUtil}. + */ +@SmallTest +public class MacAddressUtilTest { + private MacAddressUtil mMacAddressUtil; + + @Mock private Mac mMac; + + @Before + public void setUp() throws Exception { + MockitoAnnotations.initMocks(this); + mMacAddressUtil = new MacAddressUtil(); + } + + /** + * Verifies that calculatePersistentMacForConfiguration valid randomized MACs. + */ + @Test + public void testCalculatePersistentMacForConfiguration() { + // verify null inputs + assertNull(mMacAddressUtil.calculatePersistentMacForConfiguration(null, null)); + + Random rand = new Random(); + // Verify that a the MAC address calculated is valid + for (int i = 0; i < 10; i++) { + WifiConfiguration config = WifiConfigurationTestUtil.createOpenNetwork(); + + byte[] bytes = new byte[32]; + rand.nextBytes(bytes); + when(mMac.doFinal(any())).thenReturn(bytes); + MacAddress macAddress = mMacAddressUtil.calculatePersistentMacForConfiguration( + config, mMac); + assertTrue(WifiConfiguration.isValidMacAddressForRandomization(macAddress)); + } + } +} |