tests/tests/bluetooth/src/android/bluetooth/cts/PeriodicAdvertisingParametersTest.java

/*
 * Copyright (C) 2021 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.bluetooth.cts;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import android.bluetooth.le.PeriodicAdvertisingParameters;
import android.os.Parcel;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)
public class PeriodicAdvertisingParametersTest {

    // Values copied over from PeriodicAdvertisingParameters class.
    private static final int INTERVAL_MIN = 80;
    private static final int INTERVAL_MAX = 65519;

    @Test
    public void testCreateFromParcel() {
        final Parcel parcel = Parcel.obtain();
        try {
            PeriodicAdvertisingParameters params =
                    new PeriodicAdvertisingParameters.Builder().build();
            params.writeToParcel(parcel, 0);
            parcel.setDataPosition(0);
            PeriodicAdvertisingParameters paramsFromParcel =
                    PeriodicAdvertisingParameters.CREATOR.createFromParcel(parcel);
            assertParamsEquals(params, paramsFromParcel);
        } finally {
            parcel.recycle();
        }
    }

    @Test
    public void testDefaultParameters() {
        PeriodicAdvertisingParameters params = new PeriodicAdvertisingParameters.Builder().build();
        assertFalse(params.getIncludeTxPower());
        assertEquals(INTERVAL_MAX, params.getInterval());
    }

    @Test
    public void testIncludeTxPower() {
        PeriodicAdvertisingParameters params =
                new PeriodicAdvertisingParameters.Builder().setIncludeTxPower(true).build();
        assertTrue(params.getIncludeTxPower());
    }

    @Test
    public void testIntervalWithInvalidValues() {
        int[] invalidValues = { INTERVAL_MIN - 1, INTERVAL_MAX + 1 };
        for (int i = 0; i < invalidValues.length; i++) {
            try {
                new PeriodicAdvertisingParameters.Builder().setInterval(invalidValues[i]).build();
                fail();
            } catch (IllegalArgumentException e) {
                // expected
            }
        }
    }

    @Test
    public void testInterval() {
        PeriodicAdvertisingParameters params =
                new PeriodicAdvertisingParameters.Builder().setInterval(INTERVAL_MIN).build();
        assertEquals(INTERVAL_MIN, params.getInterval());
    }

    @Test
    public void testDescribeContents() {
        PeriodicAdvertisingParameters params = new PeriodicAdvertisingParameters.Builder().build();
        assertEquals(0, params.describeContents());
    }

    private void assertParamsEquals(PeriodicAdvertisingParameters p,
            PeriodicAdvertisingParameters other) {
        if (p == null && other == null) {
            return;
        }

        if (p == null || other == null) {
            fail("Cannot compare null with non-null value: p=" + p + ", other=" + other);
        }

        assertEquals(p.getIncludeTxPower(), other.getIncludeTxPower());
        assertEquals(p.getInterval(), other.getInterval());
    }
}