Merge "Add AdvertiseHelperTest"

/*

 * Copyright 2022 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.bluetooth.gatt;

import static com.google.common.truth.Truth.assertThat;

import static org.junit.Assert.assertThrows;

import android.bluetooth.le.AdvertiseData;

import android.bluetooth.le.TransportDiscoveryData;

import android.os.ParcelUuid;

import androidx.test.filters.SmallTest;

import androidx.test.runner.AndroidJUnit4;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.util.UUID;

/**

 * Test cases for {@link AdvertiseHelper}.

 */

@SmallTest

@RunWith(AndroidJUnit4.class)

public class AdvertiseHelperTest {

    @Test

    public void advertiseDataToBytes() throws Exception {

        byte[] emptyBytes = AdvertiseHelper.advertiseDataToBytes(null, "");

        assertThat(emptyBytes.length).isEqualTo(0);

        int manufacturerId = 1;

        byte[] manufacturerData = new byte[]{

                0x30, 0x31, 0x32, 0x34

        };

        byte[] serviceData = new byte[]{

                0x10, 0x12, 0x14

        };

        byte[] transportDiscoveryData = new byte[]{

                0x40, 0x44, 0x48

        };

        AdvertiseData advertiseData = new AdvertiseData.Builder()

                .setIncludeDeviceName(true)

                .addManufacturerData(manufacturerId, manufacturerData)

                .setIncludeTxPowerLevel(true)

                .addServiceUuid(new ParcelUuid(UUID.randomUUID()))

                .addServiceData(new ParcelUuid(UUID.randomUUID()), serviceData)

                .addServiceSolicitationUuid(new ParcelUuid(UUID.randomUUID()))

                .addTransportDiscoveryData(new TransportDiscoveryData(transportDiscoveryData))

                .build();

        String deviceName = "TestDeviceName";

        int expectedAdvDataBytesLength = 87;

        byte[] advDataBytes = AdvertiseHelper.advertiseDataToBytes(advertiseData, deviceName);

        String deviceNameLong = "TestDeviceNameLongTestDeviceName";

        assertThat(advDataBytes.length).isEqualTo(expectedAdvDataBytesLength);

        int expectedAdvDataBytesLongNameLength = 99;

        byte[] advDataBytesLongName = AdvertiseHelper

                .advertiseDataToBytes(advertiseData, deviceNameLong);

        assertThat(advDataBytesLongName.length).isEqualTo(expectedAdvDataBytesLongNameLength);

    }

    @Test

    public void checkLength_withGT255_throwsException() {

        assertThrows(

                IllegalArgumentException.class,

                () -> AdvertiseHelper.check_length(0X00, 256)

        );

    }

}

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