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/*
* 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.view.MotionEvent;
import android.view.View;
import androidx.recyclerview.selection.GestureSelectionHelper.RecyclerViewDelegate;
import androidx.recyclerview.selection.testing.TestEvents;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
@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();
}
}