| /* |
| * Copyright (C) 2016 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.internal.widget; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.content.Context; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.espresso.core.deps.guava.base.Function; |
| import android.support.test.filters.SmallTest; |
| import android.view.LayoutInflater; |
| import android.view.View.MeasureSpec; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.lang.reflect.Field; |
| |
| @SmallTest |
| public class MessagingLinearLayoutTest { |
| |
| public static final int WIDTH_SPEC = MeasureSpec.makeMeasureSpec(500, MeasureSpec.EXACTLY); |
| public static final int HEIGHT_SPEC = MeasureSpec.makeMeasureSpec(400, MeasureSpec.AT_MOST); |
| private Context mContext; |
| private MessagingLinearLayout mView; |
| |
| @Before |
| public void setup() { |
| mContext = InstrumentationRegistry.getTargetContext(); |
| // spacing: 5px |
| mView = (MessagingLinearLayout) LayoutInflater.from(mContext).inflate( |
| R.layout.messaging_linear_layout_test, null); |
| } |
| |
| @Test |
| public void testSingleChild() { |
| FakeImageFloatingTextView child = fakeChild((i) -> 3); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertEquals(3, child.getNumIndentLines()); |
| assertFalse(child.isHidden()); |
| assertEquals(150, mView.getMeasuredHeight()); |
| } |
| |
| @Test |
| public void testLargeSmall() { |
| FakeImageFloatingTextView child1 = fakeChild((i) -> 3); |
| FakeImageFloatingTextView child2 = fakeChild((i) -> 1); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child1); |
| mView.addView(child2); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertEquals(3, child1.getNumIndentLines()); |
| assertEquals(0, child2.getNumIndentLines()); |
| assertFalse("child1 should not be hidden", child1.isHidden()); |
| assertFalse("child2 should not be hidden", child2.isHidden()); |
| assertEquals(205, mView.getMeasuredHeight()); |
| } |
| |
| @Test |
| public void testSmallSmall() { |
| FakeImageFloatingTextView child1 = fakeChild((i) -> 1); |
| FakeImageFloatingTextView child2 = fakeChild((i) -> 1); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child1); |
| mView.addView(child2); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertEquals(2, child1.getNumIndentLines()); |
| assertEquals(1, child2.getNumIndentLines()); |
| assertFalse("child1 should not be hidden", child1.isHidden()); |
| assertFalse("child2 should not be hidden", child2.isHidden()); |
| assertEquals(105, mView.getMeasuredHeight()); |
| } |
| |
| @Test |
| public void testLargeLarge() { |
| FakeImageFloatingTextView child1 = fakeChild((i) -> 7); |
| FakeImageFloatingTextView child2 = fakeChild((i) -> 7); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child1); |
| mView.addView(child2); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertEquals(3, child2.getNumIndentLines()); |
| assertTrue("child1 should be hidden", child1.isHidden()); |
| assertFalse("child2 should not be hidden", child2.isHidden()); |
| assertEquals(350, mView.getMeasuredHeight()); |
| } |
| |
| @Test |
| public void testLargeSmall_largeWrapsWith3indentbutNotFullHeight_andHitsMax() { |
| FakeImageFloatingTextView child1 = fakeChild((i) -> i > 2 ? 7 : 6); |
| FakeImageFloatingTextView child2 = fakeChild((i) -> 1); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child1); |
| mView.addView(child2); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertFalse("child1 should not be hidden", child1.isHidden()); |
| assertFalse("child2 should not be hidden", child2.isHidden()); |
| assertEquals(355, mView.getMeasuredHeight()); |
| assertEquals(3, child1.getNumIndentLines()); |
| assertEquals(0, child2.getNumIndentLines()); |
| } |
| |
| @Test |
| public void testLargeSmall_largeWrapsWith3indentbutnot3() { |
| FakeImageFloatingTextView child1 = fakeChild((i) -> i > 2 ? 4 : 3); |
| FakeImageFloatingTextView child2 = fakeChild((i) -> 1); |
| |
| mView.setNumIndentLines(2); |
| mView.addView(child1); |
| mView.addView(child2); |
| |
| mView.measure(WIDTH_SPEC, HEIGHT_SPEC); |
| mView.layout(0, 0, mView.getMeasuredWidth(), mView.getMeasuredHeight()); |
| |
| assertFalse("child1 should not be hidden", child1.isHidden()); |
| assertFalse("child2 should not be hidden", child2.isHidden()); |
| assertEquals(255, mView.getMeasuredHeight()); |
| assertEquals(3, child1.getNumIndentLines()); |
| assertEquals(0, child2.getNumIndentLines()); |
| } |
| |
| private class FakeImageFloatingTextView extends ImageFloatingTextView { |
| |
| public static final int LINE_HEIGHT = 50; |
| private final Function<Integer, Integer> mLinesForIndent; |
| private int mNumIndentLines; |
| |
| public FakeImageFloatingTextView(Context context, |
| Function<Integer, Integer> linesForIndent) { |
| super(context, null, 0, 0); |
| mLinesForIndent = linesForIndent; |
| } |
| |
| @Override |
| public boolean setNumIndentLines(int lines) { |
| boolean changed = (mNumIndentLines != lines); |
| mNumIndentLines = lines; |
| return changed; |
| } |
| |
| public int getNumIndentLines() { |
| return mNumIndentLines; |
| } |
| |
| @Override |
| public int getLayoutHeight() { |
| return Math.max(LINE_HEIGHT, getMeasuredHeight()); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| setMeasuredDimension( |
| getDefaultSize(500, widthMeasureSpec), |
| clampToMultiplesOfLineHeight(resolveSize(getDesiredHeight(), |
| heightMeasureSpec))); |
| } |
| |
| private int clampToMultiplesOfLineHeight(int size) { |
| if (size <= LINE_HEIGHT) { |
| return size; |
| } |
| return (size / LINE_HEIGHT) * LINE_HEIGHT; |
| } |
| |
| @Override |
| public int getLineCount() { |
| return mLinesForIndent.apply(mNumIndentLines); |
| } |
| |
| public int getDesiredHeight() { |
| return LINE_HEIGHT * getLineCount(); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| // swallow |
| } |
| |
| public boolean isHidden() { |
| MessagingLinearLayout.LayoutParams lp = |
| (MessagingLinearLayout.LayoutParams) getLayoutParams(); |
| try { |
| Field hide = MessagingLinearLayout.LayoutParams.class.getDeclaredField("hide"); |
| hide.setAccessible(true); |
| return hide.getBoolean(lp); |
| } catch (ReflectiveOperationException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| private FakeImageFloatingTextView fakeChild(Function<Integer,Integer> linesForIndent) { |
| return new FakeImageFloatingTextView(mContext, linesForIndent); |
| } |
| } |