@Test(expected = ExprEvalException.class)
public void testExec_fail() {

    NodeValue v1 = NodeValue.makeNode("<http://www.opengis.net/def/crs/EPSG/0/4326> POINT(0 10)", WKTDatatype.INSTANCE);
    NodeValue v2 = NodeValue.makeInteger(8);
    TransformSRSFF instance = new TransformSRSFF();
    NodeValue expResult = NodeValue.makeNode("POINT(10 0)", WKTDatatype.INSTANCE);
    NodeValue result = instance.exec(v1, v2);
    assertEquals(expResult, result);
}