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 */ 16 17 package com.android.settings.widget; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import android.content.Context; 22 import android.view.View; 23 24 import com.android.settings.testutils.SettingsRobolectricTestRunner; 25 26 import org.junit.Before; 27 import org.junit.Test; 28 import org.junit.runner.RunWith; 29 import org.robolectric.RuntimeEnvironment; 30 import org.robolectric.util.ReflectionHelpers; 31 32 @RunWith(SettingsRobolectricTestRunner.class) 33 public class AspectRatioFrameLayoutTest { 34 35 private Context mContext; 36 private AspectRatioFrameLayout mLayout; 37 38 @Before setup()39 public void setup() { 40 mContext = RuntimeEnvironment.application; 41 } 42 43 @Test measure_squareAspectRatio_squeezeWidth()44 public void measure_squareAspectRatio_squeezeWidth() { 45 mLayout = new AspectRatioFrameLayout(mContext); 46 47 int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 48 int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(50, View.MeasureSpec.EXACTLY); 49 50 mLayout.measure(widthMeasureSpec, heightMeasureSpec); 51 52 assertThat(mLayout.getMeasuredWidth()).isEqualTo(50); 53 assertThat(mLayout.getMeasuredHeight()).isEqualTo(50); 54 } 55 56 @Test measure_squareAspectRatio_stretchWidth()57 public void measure_squareAspectRatio_stretchWidth() { 58 mLayout = new AspectRatioFrameLayout(mContext); 59 60 int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(50, View.MeasureSpec.EXACTLY); 61 int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 62 63 mLayout.measure(widthMeasureSpec, heightMeasureSpec); 64 65 assertThat(mLayout.getMeasuredWidth()).isEqualTo(100); 66 assertThat(mLayout.getMeasuredHeight()).isEqualTo(100); 67 } 68 69 @Test measure_squareAspectRatio_doNotStretch()70 public void measure_squareAspectRatio_doNotStretch() { 71 mLayout = new AspectRatioFrameLayout(mContext); 72 73 int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 74 int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 75 76 mLayout.measure(widthMeasureSpec, heightMeasureSpec); 77 78 assertThat(mLayout.getMeasuredWidth()).isEqualTo(100); 79 assertThat(mLayout.getMeasuredHeight()).isEqualTo(100); 80 } 81 82 @Test measure_rectangleAspectRatio_stretch()83 public void measure_rectangleAspectRatio_stretch() { 84 mLayout = new AspectRatioFrameLayout(mContext); 85 // Set aspect ratio to 2:1. 86 ReflectionHelpers.setField(mLayout, "mAspectRatio", 2f); 87 88 int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 89 int heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(100, View.MeasureSpec.EXACTLY); 90 91 mLayout.measure(widthMeasureSpec, heightMeasureSpec); 92 93 // Should stretch width/height to 2:1 ratio 94 assertThat(mLayout.getMeasuredWidth()).isEqualTo(200); 95 assertThat(mLayout.getMeasuredHeight()).isEqualTo(100); 96 } 97 } 98