| /* |
| * Copyright (C) 2020 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; |
| |
| import static android.net.wifi.CoexUnsafeChannel.POWER_CAP_NONE; |
| import static android.net.wifi.WifiScanner.WIFI_BAND_24_GHZ; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.junit.Assume.assumeTrue; |
| |
| import android.os.Parcel; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.modules.utils.build.SdkLevel; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link android.net.wifi.CoexUnsafeChannel}. |
| */ |
| @SmallTest |
| public class CoexUnsafeChannelTest { |
| @Before |
| public void setUp() { |
| assumeTrue(SdkLevel.isAtLeastS()); |
| } |
| |
| /** |
| * Verifies {@link CoexUnsafeChannel#getPowerCapDbm()} returns POWER_CAP_NONE if no cap is set. |
| */ |
| @Test |
| public void testGetPowerCapDbm_noPowerCap_returnsPowerCapNone() { |
| CoexUnsafeChannel unsafeChannel = new CoexUnsafeChannel(WIFI_BAND_24_GHZ, 6); |
| |
| assertThat(unsafeChannel.getPowerCapDbm()).isEqualTo(POWER_CAP_NONE); |
| } |
| |
| /** |
| * Verifies {@link CoexUnsafeChannel#getPowerCapDbm()} returns a power cap if a cap is set. |
| */ |
| @Test |
| public void testGetPowerCapDbm_powerCapSet_returnsSetPowerCap() { |
| CoexUnsafeChannel unsafeChannel = new CoexUnsafeChannel(WIFI_BAND_24_GHZ, 6, -50); |
| |
| assertThat(unsafeChannel.getPowerCapDbm()).isEqualTo(-50); |
| } |
| |
| /** |
| * Verify parcel read/write for CoexUnsafeChannel with or without power cap. |
| */ |
| @Test |
| public void testParcelReadWrite_withOrWithoutCap_readEqualsWritten() throws Exception { |
| CoexUnsafeChannel writeUnsafeChannelNoCap = |
| new CoexUnsafeChannel(WIFI_BAND_24_GHZ, 6); |
| CoexUnsafeChannel writeUnsafeChannelCapped = |
| new CoexUnsafeChannel(WIFI_BAND_24_GHZ, 6, -50); |
| |
| CoexUnsafeChannel readUnsafeChannelNoCap = parcelReadWrite(writeUnsafeChannelNoCap); |
| CoexUnsafeChannel readUnsafeChannelCapped = parcelReadWrite(writeUnsafeChannelCapped); |
| |
| assertThat(writeUnsafeChannelNoCap).isEqualTo(readUnsafeChannelNoCap); |
| assertThat(writeUnsafeChannelCapped).isEqualTo(readUnsafeChannelCapped); |
| } |
| |
| /** |
| * Write the provided {@link CoexUnsafeChannel} to a parcel and deserialize it. |
| */ |
| private static CoexUnsafeChannel parcelReadWrite(CoexUnsafeChannel writeResult) |
| throws Exception { |
| Parcel parcel = Parcel.obtain(); |
| writeResult.writeToParcel(parcel, 0); |
| parcel.setDataPosition(0); // Rewind data position back to the beginning for read. |
| return CoexUnsafeChannel.CREATOR.createFromParcel(parcel); |
| } |
| } |