| /* |
| * Copyright 2018 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.widget; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.verify; |
| |
| import android.view.View; |
| |
| import androidx.test.InstrumentationRegistry; |
| 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 RecyclerViewSmoothScrollerTest { |
| |
| @Test |
| public void stop_whileRunning_isRunningIsFalseInOnStop() { |
| RecyclerView recyclerView = new RecyclerView(InstrumentationRegistry.getContext()); |
| RecyclerView.LayoutManager layoutManager = mock(RecyclerView.LayoutManager.class); |
| recyclerView.setLayoutManager(layoutManager); |
| MockSmoothScroller mockSmoothScroller = spy(new MockSmoothScroller()); |
| mockSmoothScroller.setTargetPosition(0); |
| mockSmoothScroller.start(recyclerView, layoutManager); |
| |
| mockSmoothScroller.stop(); |
| |
| verify(mockSmoothScroller).onStop(); |
| assertThat(mockSmoothScroller.mWasRunningInOnStop, is(false)); |
| } |
| |
| @Test |
| public void stop_whileNotRunning_doesNotCallOnStop() { |
| RecyclerView.SmoothScroller mockSmoothScroller = spy(new MockSmoothScroller()); |
| mockSmoothScroller.stop(); |
| verify(mockSmoothScroller, never()).onStop(); |
| } |
| |
| public static class MockSmoothScroller extends RecyclerView.SmoothScroller { |
| |
| boolean mWasRunningInOnStop; |
| |
| @Override |
| protected void onStart() { |
| |
| } |
| |
| @Override |
| protected void onStop() { |
| mWasRunningInOnStop = isRunning(); |
| } |
| |
| @Override |
| protected void onSeekTargetStep(int dx, int dy, RecyclerView.State state, |
| Action action) { |
| |
| } |
| |
| @Override |
| protected void onTargetFound(View targetView, RecyclerView.State state, |
| Action action) { |
| |
| } |
| } |
| |
| } |
