1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package com.android.systemui.volume; 17 18import android.media.MediaMetadata; 19import android.support.test.filters.SmallTest; 20 21import com.android.systemui.SysuiTestCase; 22 23import junit.framework.Assert; 24 25import org.junit.Test; 26 27@SmallTest 28public class UtilTest extends SysuiTestCase { 29 30 @Test 31 public void testMediaMetadataToString_null() { 32 Assert.assertEquals(null, Util.mediaMetadataToString(null)); 33 } 34 35 @Test 36 public void testMediaMetadataToString_notNull() { 37 Assert.assertNotNull(Util.mediaMetadataToString(new MediaMetadata.Builder().build())); 38 } 39} 40