@Test
public void testExec_false() {

    NodeValue geometryLiteral = NodeValue.makeNode("<http://www.opengis.net/def/crs/EPSG/0/27700> LINESTRING(0 0, 10 10, 10 5, 0 5)", WKTDatatype.INSTANCE);
    IsSimpleFF instance = new IsSimpleFF();
    NodeValue expResult = NodeValue.makeNodeBoolean(false);
    NodeValue result = instance.exec(geometryLiteral);
    assertEquals(expResult, result);
}