Merge "Adding simple test for PlayerViewHolder construction" into rvc-dev am:...

/*

 * 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 com.android.systemui.media

import android.testing.AndroidTestingRunner

import android.testing.TestableLooper

import android.view.LayoutInflater

import android.view.ViewGroup

import android.widget.FrameLayout

import androidx.test.filters.SmallTest

import com.android.systemui.SysuiTestCase

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

import org.junit.Before

import org.junit.Test

import org.junit.runner.RunWith

/**

 * Tests for PlayerViewHolder.

 */

@SmallTest

@RunWith(AndroidTestingRunner::class)

@TestableLooper.RunWithLooper

class PlayerViewHolderTest : SysuiTestCase() {

    private lateinit var inflater: LayoutInflater

    private lateinit var parent: ViewGroup

    @Before

    fun setUp() {

        inflater = LayoutInflater.from(context)

        parent = FrameLayout(context)

    }

    @Test

    fun create() {

        val holder = PlayerViewHolder.create(inflater, parent)

        assertThat(holder.player).isNotNull()

    }

    @Test

    fun backgroundIsIlluminationDrawable() {

        val holder = PlayerViewHolder.create(inflater, parent)

        assertThat(holder.background.background as IlluminationDrawable).isNotNull()

    }

}