def testPrefixMinusHighPrecedence(self):
query = "-5 + 5"
expected = expression.Sum(
expression.Product(expression.Literal(-1), expression.Literal(5)),
expression.Literal(5))
self.assertQueryMatches(query, expected)
def testParens(self):
query = "(3 + 2) * 5"
expected = expression.Product(
expression.Sum(expression.Literal(3), expression.Literal(2)),
expression.Literal(5))
self.assertQueryMatches(query, expected)
def testPrefixMinus(self):
query = "-(5 + 5)"
expected = expression.Product(
expression.Literal(-1),
expression.Sum(expression.Literal(5), expression.Literal(5)))
self.assertQueryMatches(query, expected)