1 /* 2 * Copyright (C) 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 17 package com.android.documentsui.ui; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.junit.Assert.assertTrue; 21 import static org.mockito.Mockito.mock; 22 23 import android.content.Context; 24 import android.graphics.Color; 25 import android.graphics.drawable.ColorDrawable; 26 27 import androidx.coordinatorlayout.widget.CoordinatorLayout; 28 import androidx.test.InstrumentationRegistry; 29 30 import com.android.documentsui.R; 31 32 import com.google.android.material.appbar.AppBarLayout; 33 34 import org.junit.Before; 35 import org.junit.Test; 36 37 38 public class SearchBarScrollingViewBehaviorTest { 39 private SearchBarScrollingViewBehavior mScrollingViewBehavior; 40 private Context mContext; 41 42 @Before setUp()43 public void setUp() { 44 mContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); 45 mScrollingViewBehavior = new SearchBarScrollingViewBehavior(mContext, null); 46 } 47 48 @Test shouldHeaderOverlapScrollingChild_returnTrue()49 public void shouldHeaderOverlapScrollingChild_returnTrue() { 50 assertTrue(mScrollingViewBehavior.shouldHeaderOverlapScrollingChild()); 51 } 52 53 @Test setAppBarLayoutTransparent_defaultWhiteBackground_shouldBeTransparent()54 public void setAppBarLayoutTransparent_defaultWhiteBackground_shouldBeTransparent() { 55 mContext.setTheme(R.style.DocumentsTheme); 56 mContext.getTheme().applyStyle(R.style.DocumentsDefaultTheme, false); 57 final CoordinatorLayout coordinatorLayout = new CoordinatorLayout(mContext); 58 final AppBarLayout appBarLayout = new AppBarLayout(mContext); 59 final CoordinatorLayout.LayoutParams lp = mock(CoordinatorLayout.LayoutParams.class); 60 lp.setBehavior(mScrollingViewBehavior); 61 appBarLayout.setLayoutParams(lp); 62 appBarLayout.setBackgroundColor(Color.WHITE); 63 mScrollingViewBehavior.onDependentViewChanged(coordinatorLayout, null, appBarLayout); 64 65 assertEquals(Color.TRANSPARENT, ((ColorDrawable) appBarLayout.getBackground()).getColor()); 66 } 67 } 68