int i = 5000;
Context con = Lang.context();
con.set("num", num);
con.set("i", i);
con.set("z", z);
assertEquals(num + (i - 1 + 2 - 3 + 4 - 5 + 6 - 7) - z.abc(i), El.eval(con, elstr));
}
@Test
public void lssue_486() {
assertEquals(2 + (-3), El.eval("2+(-3)"));