1 /* 2 * Copyright (C) 2019 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 */ 16 17 package com.android.settings.accessibility; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import android.content.Context; 22 import android.util.AttributeSet; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.widget.LinearLayout; 26 27 import androidx.preference.PreferenceViewHolder; 28 29 import org.junit.Before; 30 import org.junit.Test; 31 import org.junit.runner.RunWith; 32 import org.robolectric.RobolectricTestRunner; 33 import org.robolectric.RuntimeEnvironment; 34 35 @RunWith(RobolectricTestRunner.class) 36 public class BalanceSeekBarPreferenceTest { 37 private static final int BALANCE_CENTER_VALUE = 100; 38 private static final int BALANCE_MAX_VALUE = 200; 39 40 private Context mContext; 41 private AttributeSet mAttrs; 42 private PreferenceViewHolder mHolder; 43 private BalanceSeekBar mSeekBar; 44 private BalanceSeekBarPreference mSeekBarPreference; 45 46 @Before setUp()47 public void setUp() { 48 mContext = RuntimeEnvironment.application; 49 mSeekBarPreference = new BalanceSeekBarPreference(mContext, mAttrs); 50 LayoutInflater inflater = LayoutInflater.from(mContext); 51 final View view = 52 inflater.inflate(mSeekBarPreference.getLayoutResource(), 53 new LinearLayout(mContext), false); 54 mHolder = PreferenceViewHolder.createInstanceForTests(view); 55 mSeekBar = (BalanceSeekBar) view.findViewById(com.android.internal.R.id.seekbar); 56 } 57 58 @Test seekBarPreferenceOnBindViewHolder_shouldInitSeekBarValue()59 public void seekBarPreferenceOnBindViewHolder_shouldInitSeekBarValue() { 60 mSeekBarPreference.onBindViewHolder(mHolder); 61 62 assertThat(mSeekBar.getMax()).isEqualTo(BALANCE_MAX_VALUE); 63 assertThat(mSeekBar.getProgress()).isEqualTo(BALANCE_CENTER_VALUE); 64 } 65 } 66