Assert.assertNotNull(result);
Assert.assertEquals(6.72, round(result.doubleValue(), 2));
//evaluate (5.6 * -1.2)
parser.set("var1", new Double(5.6));
parser.set("var2", new Double(-1.2));
result = (Double)parser.evaluate();
Assert.assertNotNull(result);
Assert.assertEquals(-6.72, round(result.doubleValue(), 2));
//evaluate (-5.6 * -1.2)
parser.set("var1", new Double(-5.6));
parser.set("var2", new Double(-1.2));