public void GeoCompositeRegion_Empty() { // Verify that empty regions don't barf. var comp = new GeoCompositeRegion(new GeoRegion[0]); Assert.IsFalse(comp.Contains(0, 0)); Assert.IsFalse(comp.Contains(10, 10)); }
public void GeoCompositeRegion_Additive() { GeoCompositeRegion comp; // Create a composite region of two disjoint rectangles. comp = new GeoCompositeRegion( new GeoRegion[] { new GeoRectangle(30, 30, 0, 0), new GeoRectangle(30, -30, 0, -60) }); Assert.IsTrue(comp.Contains(15, -45)); Assert.IsTrue(comp.Contains(15, 15)); Assert.IsFalse(comp.Contains(15, -15)); Assert.IsFalse(comp.Contains(45, 15)); Assert.IsFalse(comp.Contains(-15, -45)); // Create a composite region of two overlapping rectangles. comp = new GeoCompositeRegion( new GeoRegion[] { new GeoRectangle(30, 30, 0, 0), new GeoRectangle(15, 15, -15, -15) }); Assert.IsTrue(comp.Contains(15, 15)); Assert.IsTrue(comp.Contains(0, 0)); Assert.IsFalse(comp.Contains(20, -5)); Assert.IsFalse(comp.Contains(-5, 20)); Assert.IsFalse(comp.Contains(0, -20)); // Create a composite region with an additive subregion that's also composite. comp = new GeoCompositeRegion( new GeoRegion[] { new GeoCircle(80, 80, 10, GeoHelper.EarthRadiusMiles), new GeoCompositeRegion( new GeoRegion[] { new GeoRectangle(30, 30, 0, 0), new GeoRectangle(30, -30, 0, -60) }) }); Assert.IsTrue(comp.Contains(80, 80)); Assert.IsTrue(comp.Contains(15, -45)); Assert.IsTrue(comp.Contains(15, 15)); Assert.IsFalse(comp.Contains(15, -15)); Assert.IsFalse(comp.Contains(45, 15)); Assert.IsFalse(comp.Contains(-15, -45)); }
public void GeoCompositeRegion_Subtractive() { GeoCompositeRegion comp; // Create a composite region by making a rectangular hole in // the middle of a rectangle. comp = new GeoCompositeRegion( new GeoRegion[] { new GeoRectangle(30, 30, -30, -30) }, new GeoRegion[] { new GeoRectangle(15, 15, -15, -15) }); Assert.IsFalse(comp.Contains(0, 0)); Assert.IsTrue(comp.Contains(20, 0)); Assert.IsTrue(comp.Contains(0, 20)); Assert.IsTrue(comp.Contains(-20, 0)); Assert.IsTrue(comp.Contains(0, -20)); }