package org.robolectric.shadows.maps;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.util.TestRunnerWithManifest;

import static org.junit.Assert.*;

@RunWith(TestRunnerWithManifest.class)
public class ShadowItemizedOverlayTest {

  class TestItemizedOverlay extends ItemizedOverlay<OverlayItem> {
    public OverlayItem firstOverlayItem = new OverlayItem(new GeoPoint(0, 0), "title1", "snippet1");
    public OverlayItem secondOverlayItem = new OverlayItem(new GeoPoint(5, 5), "title2", "snippet2");

    public TestItemizedOverlay() {
      super(null);
    }

    @Override
    protected OverlayItem createItem(int index) {
      if (index == 0) {
        return firstOverlayItem;
      } else if (index == 1) {
        return secondOverlayItem;
      }
      return null;
    }

    @Override
    public int size() {
      return 2;
    }

    public void callPopulate() {
      populate();
    }
  }

  @Test
  public void populateShouldCreateItems() {
    TestItemizedOverlay itemizedOverlay = new TestItemizedOverlay();
    itemizedOverlay.callPopulate();

    assertEquals(itemizedOverlay.firstOverlayItem, itemizedOverlay.getItem(0));
    assertEquals(itemizedOverlay.secondOverlayItem, itemizedOverlay.getItem(1));
  }

  @Test
  public void callingPopulateTwoTimesShouldNotAddAdditionalItems() {
    TestItemizedOverlay itemizedOverlay = new TestItemizedOverlay();
    itemizedOverlay.callPopulate();
    itemizedOverlay.callPopulate();

    assertEquals(itemizedOverlay.firstOverlayItem, itemizedOverlay.getItem(0));
    assertEquals(itemizedOverlay.secondOverlayItem, itemizedOverlay.getItem(1));

    boolean indexOutOfBoundsExceptionCatched = false;
    try {
      itemizedOverlay.getItem(2);
    } catch (IndexOutOfBoundsException e) {
      indexOutOfBoundsExceptionCatched = true;
    }
    assertTrue(indexOutOfBoundsExceptionCatched);
  }

  @Test(expected = IndexOutOfBoundsException.class)
  public void getItemWithoutPopulateShouldThrowIndexOutOfBoundException() {
    TestItemizedOverlay itemizedOverlay = new TestItemizedOverlay();

    assertNull(itemizedOverlay.getItem(0));
  }
}