| /* |
| * 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 androidx.bluetooth.core |
| |
| import android.os.Bundle |
| import java.util.UUID |
| import kotlin.random.Random |
| import androidx.test.filters.MediumTest |
| import org.junit.Assert |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @MediumTest |
| @RunWith(JUnit4::class) |
| class BluetoothGattCharacteristicTest { |
| companion object { |
| fun generateUUID(): UUID { |
| return UUID.randomUUID() |
| } |
| |
| fun generatePermissions(): Int { |
| // Permission are bit from 1<<0 to 1<<8, but ignoring 1<<3 |
| return Random.nextBits(20) and (BluetoothGattCharacteristic.PERMISSION_READ or |
| BluetoothGattCharacteristic.PERMISSION_READ_ENCRYPTED or |
| BluetoothGattCharacteristic.PERMISSION_READ_ENCRYPTED_MITM or |
| BluetoothGattCharacteristic.PERMISSION_WRITE or |
| BluetoothGattCharacteristic.PERMISSION_WRITE_ENCRYPTED or |
| BluetoothGattCharacteristic.PERMISSION_WRITE_ENCRYPTED_MITM or |
| BluetoothGattCharacteristic.PERMISSION_WRITE_SIGNED or |
| BluetoothGattCharacteristic.PERMISSION_WRITE_SIGNED_MITM) |
| } |
| |
| fun generateProperties(): Int { |
| // Permission are bit from 1<<0 to 1<<7 |
| return Random.nextBits(20) and (BluetoothGattCharacteristic.PROPERTY_BROADCAST or |
| BluetoothGattCharacteristic.PROPERTY_EXTENDED_PROPS or |
| BluetoothGattCharacteristic.PROPERTY_INDICATE or |
| BluetoothGattCharacteristic.PROPERTY_NOTIFY or |
| BluetoothGattCharacteristic.PROPERTY_READ or |
| BluetoothGattCharacteristic.PROPERTY_SIGNED_WRITE or |
| BluetoothGattCharacteristic.PROPERTY_WRITE or |
| BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE) |
| } |
| } |
| |
| @Test |
| fun constructorWithValues_createsInstanceCorrectly() { |
| repeat(5) { |
| val uuid = generateUUID() |
| val permissions = generatePermissions() |
| val properties = generateProperties() |
| |
| val characteristic = BluetoothGattCharacteristic(uuid, properties, permissions) |
| |
| Assert.assertEquals(permissions, characteristic.fwkCharacteristic.permissions) |
| Assert.assertEquals(properties, characteristic.fwkCharacteristic.properties) |
| Assert.assertEquals(uuid, characteristic.fwkCharacteristic.uuid) |
| Assert.assertEquals(permissions, characteristic.permissions) |
| Assert.assertEquals(properties, characteristic.properties) |
| Assert.assertEquals(uuid, characteristic.uuid) |
| Assert.assertEquals(null, characteristic.service) |
| } |
| } |
| |
| @Test |
| fun bluetoothGattCharacteristicBundleable() { |
| repeat(5) { |
| val uuid = generateUUID() |
| val permissions = generatePermissions() |
| val properties = generateProperties() |
| |
| val characteristic = BluetoothGattCharacteristic(uuid, properties, permissions) |
| characteristic.writeType = BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT |
| |
| repeat(5) { |
| val descriptorUUID = BluetoothGattDescriptorTest.generateUUID() |
| val descriptorPermission = BluetoothGattDescriptorTest.generatePermissions() |
| |
| val descriptor = BluetoothGattDescriptor(descriptorUUID, descriptorPermission) |
| characteristic.addDescriptor(descriptor) |
| |
| Assert.assertEquals(characteristic, descriptor.characteristic) |
| } |
| |
| val bundle: Bundle = characteristic.toBundle() |
| val newCharacteristic: BluetoothGattCharacteristic = |
| BluetoothGattCharacteristic.CREATOR.fromBundle(bundle) |
| |
| Assert.assertEquals(newCharacteristic.permissions, characteristic.permissions) |
| Assert.assertEquals(newCharacteristic.instanceId, characteristic.instanceId) |
| Assert.assertEquals(newCharacteristic.uuid, characteristic.uuid) |
| Assert.assertEquals(newCharacteristic.properties, characteristic.properties) |
| Assert.assertEquals(newCharacteristic.writeType, characteristic.writeType) |
| Assert.assertEquals(newCharacteristic.descriptors.size, characteristic.descriptors.size) |
| newCharacteristic.descriptors.forEach { |
| val foundDescriptor = characteristic.getDescriptor(it.uuid) |
| |
| Assert.assertEquals(foundDescriptor?.permissions, it.permissions) |
| Assert.assertEquals(foundDescriptor?.uuid, it.uuid) |
| Assert.assertEquals(foundDescriptor?.characteristic, characteristic) |
| Assert.assertEquals(it.characteristic, newCharacteristic) |
| } |
| } |
| } |
| } |