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package com.xtremelabs.robolectric.shadows;
import android.view.MotionEvent;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static com.xtremelabs.robolectric.Robolectric.shadowOf;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
@RunWith(WithTestDefaultsRunner.class)
public class MotionEventTest {
private MotionEvent event;
private ShadowMotionEvent shadowMotionEvent;
@Before
public void setUp() throws Exception {
event = MotionEvent.obtain(100, 200, MotionEvent.ACTION_MOVE, 5.0f, 10.0f, 0);
shadowMotionEvent = shadowOf(event);
}
@Test
public void addingSecondPointerSetsCount() {
assertThat(event.getX(0), equalTo(5.0f));
assertThat(event.getY(0), equalTo(10.0f));
assertThat(event.getPointerCount(), equalTo(1));
shadowOf(event).setPointer2( 20.0f, 30.0f );
assertThat(event.getX(1), equalTo(20.0f));
assertThat(event.getY(1), equalTo(30.0f));
assertThat(event.getPointerCount(), equalTo(2));
}
@Test
public void canSetPointerIdsByIndex() {
shadowMotionEvent.setPointer2(20.0f, 30.0f);
shadowMotionEvent.setPointerIds(2, 5);
assertEquals(2, event.getPointerId(0));
assertEquals(5, event.getPointerId(1));
}
@Test
public void indexShowsUpInAction() {
shadowMotionEvent.setPointerIndex(1);
assertEquals(1 << MotionEvent.ACTION_POINTER_ID_SHIFT | MotionEvent.ACTION_MOVE, event.getAction());
}
@Test
public void canGetActionIndex() {
assertEquals(0, event.getActionIndex());
shadowMotionEvent.setPointerIndex(1);
assertEquals(1, event.getActionIndex());
}
@Test
public void getActionMaskedStripsPointerIndexFromAction() {
assertEquals(MotionEvent.ACTION_MOVE, event.getActionMasked());
shadowMotionEvent.setPointerIndex(1);
assertEquals(MotionEvent.ACTION_MOVE, event.getActionMasked());
}
@Test
public void canFindPointerIndexFromId() {
shadowMotionEvent.setPointer2(20.0f, 30.0f);
shadowMotionEvent.setPointerIds(2, 1);
assertEquals(0, event.findPointerIndex(2));
assertEquals(1, event.findPointerIndex(1));
assertEquals(-1, event.findPointerIndex(3));
}
@Test
public void canSetMotionEventLocation() throws Exception {
assertEquals(5.0f, event.getX(), 0.0f);
assertEquals(10.0f, event.getY(), 0.0f);
shadowMotionEvent.setLocation(10.0f, 20.0f);
assertEquals(10.0f, event.getX(), 0.0f);
assertEquals(20.0f, event.getY(), 0.0f);
}
}
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