assertEquals("2012-12-02T12:45:00+08:00", Pql.toString(dateTimeValue1));
}
@Test
public void testToString_null() {
assertEquals("", Pql.toString(new TextValue()));
assertEquals("", Pql.toString(new BooleanValue()));
assertEquals("", Pql.toString(new NumberValue()));
assertEquals("", Pql.toString(new DateTimeValue()));
}