@Test
public void testExec() {

    NodeValue v1 = NodeValue.makeFloat(0.0f);
    NodeValue v2 = NodeValue.makeFloat(1.0f);
    NodeValue v3 = NodeValue.makeFloat(10.0f);
    NodeValue v4 = NodeValue.makeFloat(11.0f);
    ConvertLatLonBoxFF instance = new ConvertLatLonBoxFF();
    NodeValue expResult = NodeValue.makeNode("<http://www.opengis.net/def/crs/EPSG/0/4326> POLYGON((0 1, 10 1, 10 11, 0 11, 0 1))", WKTDatatype.INSTANCE);
    NodeValue result = instance.exec(v1, v2, v3, v4);
    assertEquals(expResult, result);
}