| /* |
| * Copyright (C) 2015 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 android.support.v17.leanback.widget; |
| |
| /** |
| * Testing SingleRow algorithm |
| * @hide |
| */ |
| public class SingleRowTest extends GridTest { |
| |
| SingleRow mSingleRow; |
| |
| public void testAppendPrependRemove() throws Throwable { |
| mProvider = new Provider(new int[]{80, 80, 30, 100, 40, 10}); |
| |
| mSingleRow = new SingleRow(); |
| mSingleRow.setMargin(20); |
| mSingleRow.setProvider(mProvider); |
| mSingleRow.appendVisibleItems(200); |
| assertEquals(dump(mSingleRow) + " Should filled 2 items", 1, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(201); |
| assertEquals(dump(mSingleRow) + " Should filled 3 items", |
| 2, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(251); |
| assertEquals(dump(mSingleRow) + " Should filled 4 items", |
| 3, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(Integer.MAX_VALUE); |
| assertEquals(dump(mSingleRow) + " Should filled 6 items", |
| 5, mSingleRow.mLastVisibleIndex); |
| assertEquals(mProvider.getEdge(0), 0); |
| assertEquals(mProvider.getEdge(1), 100); |
| assertEquals(mProvider.getEdge(2), 200); |
| assertEquals(mProvider.getEdge(3), 250); |
| assertEquals(mProvider.getEdge(4), 370); |
| assertEquals(mProvider.getEdge(5), 430); |
| |
| mSingleRow.removeInvisibleItemsAtEnd(0, 200); |
| assertEquals(dump(mSingleRow) + " Should filled 2 items", 1, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(Integer.MAX_VALUE); |
| assertEquals(dump(mSingleRow) + " Should filled 6 items", |
| 5, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.removeInvisibleItemsAtFront(1000, 80); |
| assertEquals(dump(mSingleRow) + " visible index should start from 1", |
| 1, mSingleRow.mFirstVisibleIndex); |
| |
| mSingleRow.prependVisibleItems(0); |
| assertEquals(dump(mSingleRow) + " visible index should start from 0", |
| 0, mSingleRow.mFirstVisibleIndex); |
| } |
| |
| public void testAppendPrependRemoveReversed() throws Throwable { |
| mProvider = new Provider(new int[]{80, 80, 30, 100, 40, 10}); |
| |
| mSingleRow = new SingleRow(); |
| mSingleRow.setMargin(20); |
| mSingleRow.setProvider(mProvider); |
| mSingleRow.setReversedFlow(true); |
| mSingleRow.appendVisibleItems(-200); |
| assertEquals(dump(mSingleRow) + " Should filled 2 items", 1, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(-201); |
| assertEquals(dump(mSingleRow) + " Should filled 3 items", |
| 2, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(-251); |
| assertEquals(dump(mSingleRow) + " Should filled 4 items", |
| 3, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(Integer.MIN_VALUE); |
| assertEquals(dump(mSingleRow) + " Should filled 6 items", |
| 5, mSingleRow.mLastVisibleIndex); |
| assertEquals(mProvider.getEdge(0), 0); |
| assertEquals(mProvider.getEdge(1), -100); |
| assertEquals(mProvider.getEdge(2), -200); |
| assertEquals(mProvider.getEdge(3), -250); |
| assertEquals(mProvider.getEdge(4), -370); |
| assertEquals(mProvider.getEdge(5), -430); |
| |
| mSingleRow.removeInvisibleItemsAtEnd(0, -200); |
| assertEquals(dump(mSingleRow) + " Should filled 2 items", 1, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.appendVisibleItems(Integer.MIN_VALUE); |
| assertEquals(dump(mSingleRow) + " Should filled 6 items", |
| 5, mSingleRow.mLastVisibleIndex); |
| |
| mSingleRow.removeInvisibleItemsAtFront(1000, -80); |
| assertEquals(dump(mSingleRow) + " Should filled 6 items", |
| 1, mSingleRow.mFirstVisibleIndex); |
| } |
| } |