1 /* 2 * Copyright 2018 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 package androidx.percentlayout.widget; 17 18 import static android.support.test.espresso.Espresso.onView; 19 import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist; 20 import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom; 21 import static android.support.test.espresso.matcher.ViewMatchers.withId; 22 23 import static org.hamcrest.CoreMatchers.allOf; 24 25 import android.support.test.annotation.UiThreadTest; 26 import android.support.test.espresso.UiController; 27 import android.support.test.espresso.ViewAction; 28 import android.support.test.filters.SmallTest; 29 import android.view.View; 30 import android.view.ViewStub; 31 32 import androidx.annotation.LayoutRes; 33 import androidx.percentlayout.test.R; 34 35 import org.hamcrest.Description; 36 import org.hamcrest.Matcher; 37 import org.hamcrest.TypeSafeMatcher; 38 import org.junit.After; 39 import org.junit.Test; 40 41 /** 42 * Test cases to verify that percent layouts properly account for their own paddings. 43 */ 44 @SmallTest 45 public class PercentDynamicLayoutTest 46 extends BaseInstrumentationTestCase<PercentDynamicLayoutActivity> { 47 public PercentDynamicLayoutTest() { 48 super(PercentDynamicLayoutActivity.class); 49 } 50 51 @UiThreadTest 52 @After 53 public void tearDown() { 54 // Now that the test is done, replace the activity content view with ViewStub so 55 // that it's ready to be replaced for the next test. 56 final PercentDynamicLayoutActivity activity = mActivityTestRule.getActivity(); 57 activity.setContentView(R.layout.percent_dynamic_layout); 58 } 59 60 /** 61 * Matches views that have parents. 62 */ 63 private Matcher<View> hasParent() { 64 return new TypeSafeMatcher<View>() { 65 @Override 66 public void describeTo(Description description) { 67 description.appendText("has parent"); 68 } 69 70 @Override 71 public boolean matchesSafely(View view) { 72 return view.getParent() != null; 73 } 74 }; 75 } 76 77 /** 78 * Inflates the <code>ViewStub</code> with the passed layout resource. 79 */ 80 private ViewAction inflateViewStub(final @LayoutRes int layoutResId) { 81 return new ViewAction() { 82 @Override 83 public Matcher<View> getConstraints() { 84 return allOf(isAssignableFrom(ViewStub.class), hasParent()); 85 } 86 87 @Override 88 public String getDescription() { 89 return "Inflates view stub"; 90 } 91 92 @Override 93 public void perform(UiController uiController, View view) { 94 uiController.loopMainThreadUntilIdle(); 95 96 ViewStub viewStub = (ViewStub) view; 97 viewStub.setLayoutResource(layoutResId); 98 viewStub.inflate(); 99 100 uiController.loopMainThreadUntilIdle(); 101 } 102 }; 103 } 104 105 @Test 106 public void testPercentFrameWithHorizontalPaddings() { 107 onView(withId(R.id.percent_layout)).check(doesNotExist()); 108 onView(withId(R.id.percent_stub)).perform( 109 inflateViewStub(R.layout.percent_frame_layout_hpaddings)); 110 111 final PercentFrameLayout percentFrameLayout = 112 (PercentFrameLayout) mActivityTestRule.getActivity().findViewById( 113 R.id.percent_layout); 114 final int containerWidth = percentFrameLayout.getWidth(); 115 final int containerHeight = percentFrameLayout.getHeight(); 116 117 final int availableWidth = containerWidth - percentFrameLayout.getPaddingLeft() 118 - percentFrameLayout.getPaddingRight(); 119 final int availableHeight = containerHeight - percentFrameLayout.getPaddingTop() 120 - percentFrameLayout.getPaddingBottom(); 121 122 final View child1 = percentFrameLayout.findViewById(R.id.child1); 123 final View child2 = percentFrameLayout.findViewById(R.id.child2); 124 125 assertFuzzyEquals("Child 1 width as 50% of the container's available width", 126 0.5f * availableWidth, child1.getWidth()); 127 assertFuzzyEquals("Child 1 height as 100% of the container's available height", 128 availableHeight, child1.getHeight()); 129 assertFuzzyEquals("Child 2 width as 50% of the container's available width", 130 0.5f * availableWidth, child2.getWidth()); 131 assertFuzzyEquals("Child 2 height as 100% of the container's available height", 132 availableHeight, child2.getHeight()); 133 } 134 135 @Test 136 public void testPercentFrameWithVerticalPaddings() { 137 onView(withId(R.id.percent_layout)).check(doesNotExist()); 138 onView(withId(R.id.percent_stub)).perform( 139 inflateViewStub(R.layout.percent_frame_layout_vpaddings)); 140 141 final PercentFrameLayout percentFrameLayout = 142 (PercentFrameLayout) mActivityTestRule.getActivity().findViewById( 143 R.id.percent_layout); 144 final int containerWidth = percentFrameLayout.getWidth(); 145 final int containerHeight = percentFrameLayout.getHeight(); 146 147 final int availableWidth = containerWidth - percentFrameLayout.getPaddingLeft() 148 - percentFrameLayout.getPaddingRight(); 149 final int availableHeight = containerHeight - percentFrameLayout.getPaddingTop() 150 - percentFrameLayout.getPaddingBottom(); 151 152 final View child1 = percentFrameLayout.findViewById(R.id.child1); 153 final View child2 = percentFrameLayout.findViewById(R.id.child2); 154 155 assertFuzzyEquals("Child 1 width as 100% of the container's available width", 156 availableWidth, child1.getWidth()); 157 assertFuzzyEquals("Child 1 height as 50% of the container's available height", 158 0.5f * availableHeight, child1.getHeight()); 159 assertFuzzyEquals("Child 2 width as 100% of the container's available width", 160 availableWidth, child2.getWidth()); 161 assertFuzzyEquals("Child 2 height as 50% of the container's available height", 162 0.5f* availableHeight, child2.getHeight()); 163 } 164 165 @Test 166 public void testPercentRelativeWithHorizontalPaddings() { 167 onView(withId(R.id.percent_layout)).check(doesNotExist()); 168 onView(withId(R.id.percent_stub)).perform( 169 inflateViewStub(R.layout.percent_relative_layout_hpaddings)); 170 171 final PercentRelativeLayout percentRelativeLayout = 172 (PercentRelativeLayout) mActivityTestRule.getActivity().findViewById( 173 R.id.percent_layout); 174 final int containerWidth = percentRelativeLayout.getWidth(); 175 final int containerHeight = percentRelativeLayout.getHeight(); 176 177 final int availableWidth = containerWidth - percentRelativeLayout.getPaddingLeft() 178 - percentRelativeLayout.getPaddingRight(); 179 final int availableHeight = containerHeight - percentRelativeLayout.getPaddingTop() 180 - percentRelativeLayout.getPaddingBottom(); 181 182 final View child1 = percentRelativeLayout.findViewById(R.id.child1); 183 final View child2 = percentRelativeLayout.findViewById(R.id.child2); 184 185 assertFuzzyEquals("Child 1 width as 50% of the container's available width", 186 0.5f * availableWidth, child1.getWidth()); 187 assertFuzzyEquals("Child 1 height as 100% of the container's available height", 188 availableHeight, child1.getHeight()); 189 assertFuzzyEquals("Child 2 width as 50% of the container's available width", 190 0.5f * availableWidth, child2.getWidth()); 191 assertFuzzyEquals("Child 2 height as 100% of the container's available height", 192 availableHeight, child2.getHeight()); 193 } 194 195 @Test 196 public void testPercentRelaticeWithVerticalPaddings() { 197 onView(withId(R.id.percent_layout)).check(doesNotExist()); 198 onView(withId(R.id.percent_stub)).perform( 199 inflateViewStub(R.layout.percent_relative_layout_vpaddings)); 200 201 final PercentRelativeLayout percentRelativeLayout = 202 (PercentRelativeLayout) mActivityTestRule.getActivity().findViewById( 203 R.id.percent_layout); 204 final int containerWidth = percentRelativeLayout.getWidth(); 205 final int containerHeight = percentRelativeLayout.getHeight(); 206 207 final int availableWidth = containerWidth - percentRelativeLayout.getPaddingLeft() 208 - percentRelativeLayout.getPaddingRight(); 209 final int availableHeight = containerHeight - percentRelativeLayout.getPaddingTop() 210 - percentRelativeLayout.getPaddingBottom(); 211 212 final View child1 = percentRelativeLayout.findViewById(R.id.child1); 213 final View child2 = percentRelativeLayout.findViewById(R.id.child2); 214 215 assertFuzzyEquals("Child 1 width as 100% of the container's available width", 216 availableWidth, child1.getWidth()); 217 assertFuzzyEquals("Child 1 height as 50% of the container's available height", 218 0.5f * availableHeight, child1.getHeight()); 219 assertFuzzyEquals("Child 2 width as 100% of the container's available width", 220 availableWidth, child2.getWidth()); 221 assertFuzzyEquals("Child 2 height as 50% of the container's available height", 222 0.5f* availableHeight, child2.getHeight()); 223 } 224 } 225
