| /* |
| * Copyright 2017 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 androidx.recyclerview.selection; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.view.MotionEvent; |
| import android.view.View; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import androidx.recyclerview.selection.GestureSelectionHelper.RecyclerViewDelegate; |
| import androidx.recyclerview.selection.testing.TestEvents; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class GestureSelectionHelper_RecyclerViewDelegateTest { |
| |
| // Simulate a (20, 20) box locating at (20, 20) |
| static final int LEFT_BORDER = 20; |
| static final int RIGHT_BORDER = 40; |
| static final int TOP_BORDER = 20; |
| static final int BOTTOM_BORDER = 40; |
| |
| @Test |
| public void testLtrPastLastItem() { |
| MotionEvent event = createEvent(100, 100); |
| assertTrue(RecyclerViewDelegate.isPastLastItem( |
| TOP_BORDER, LEFT_BORDER, RIGHT_BORDER, event, View.LAYOUT_DIRECTION_LTR)); |
| } |
| |
| @Test |
| public void testLtrPastLastItem_Inverse() { |
| MotionEvent event = createEvent(10, 10); |
| assertFalse(RecyclerViewDelegate.isPastLastItem( |
| TOP_BORDER, LEFT_BORDER, RIGHT_BORDER, event, View.LAYOUT_DIRECTION_LTR)); |
| } |
| |
| @Test |
| public void testRtlPastLastItem() { |
| MotionEvent event = createEvent(10, 30); |
| assertTrue(RecyclerViewDelegate.isPastLastItem( |
| TOP_BORDER, LEFT_BORDER, RIGHT_BORDER, event, View.LAYOUT_DIRECTION_RTL)); |
| } |
| |
| @Test |
| public void testRtlPastLastItem_Inverse() { |
| MotionEvent event = createEvent(100, 100); |
| assertFalse(RecyclerViewDelegate.isPastLastItem( |
| TOP_BORDER, LEFT_BORDER, RIGHT_BORDER, event, View.LAYOUT_DIRECTION_RTL)); |
| } |
| |
| private static MotionEvent createEvent(int x, int y) { |
| return TestEvents.builder().action(MotionEvent.ACTION_MOVE).location(x, y).build(); |
| } |
| } |