@Test
    public void polygonOrientation() {
        assertThat(GeoPrimitive.isClockwise(geopointList(GP_1, 0, 100, 100, 0))).isTrue();
        assertThat(GeoPrimitive.isClockwise(geopointList(GP_1, 100, 0, 0, 100))).isFalse();
    }
A fake bitmap provider used for testing touching routines
main/src/test/java/cgeo/geocaching/models/geoitem/GeoItemTest.java