ViewGroupsTest.java

package com.example.mrenouf.touchtest;

import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import android.view.View;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import static com.example.mrenouf.touchtest.ViewGroups.isVisiblePointWithinView;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

@RunWith(AndroidJUnit4.class)
public class ViewGroupsTest {

  @Rule
  public ActivityTestRule<ViewGroupsTestActivity> activityTestRule =
      new ActivityTestRule<>(ViewGroupsTestActivity.class);

  @Test
  public void testIsVisiblePointWithinView_visible() throws Exception {
    ViewGroupsTestActivity activity = activityTestRule.getActivity();
    View contentInner = activity.findViewById(R.id.content_inner);

    // check point within top half of the scrollview (not covered by panel)
    int targetX = contentInner.getWidth() / 2;
    int targetY = contentInner.getHeight () / 4;
    assertTrue(isVisiblePointWithinView(contentInner, targetX, targetY));
  }

  @Test
  public void testIsVisiblePointWithinView_covered() throws Exception {
    ViewGroupsTestActivity activity = activityTestRule.getActivity();
    View contentInner = activity.findViewById(R.id.content_inner);

    // check point within bottom half of the scrollview (covered by panel)
    int targetX = contentInner.getWidth() / 2;
    int targetY = (contentInner.getHeight () / 2) + (contentInner.getHeight () / 4);
    assertFalse(isVisiblePointWithinView(contentInner, targetX, targetY));
  }
}