def testParsePostfixExpression(self):
testCases = [
'(!a)++',
'(a+b)++',
'd--',
'1--',
]
for testCase in testCases:
parser = self.makeStringParser(testCase)
result = parser.parse_unary_expression()
self.assertIsNode('PostfixCountOperation', result)
def testParseUnaryExpression(self):
testCases = {
'parse-not': ('!a', 'UnaryOperation'),
'parse-negate': ('-a', 'UnaryOperation'),
'parse-positive': ('+a', 'UnaryOperation'),
'parse-bitnot': ('~a', 'UnaryOperation'),
'parse-delete': ('delete a', 'DeleteOperation'),
'parse-void': ('void a', 'VoidOperation'),
'parse-typeof': ('typeof a', 'TypeofOperation'),
'parse-prefix-count-plus': ('++a', 'PrefixCountOperation'),
'parse-prefix-count-minus': ('--a', 'PrefixCountOperation'),
}
for test_name, (string, expected) in testCases.iteritems():
parser = self.makeStringParser(string)
result = parser.parse_unary_expression()
fmt_args = (test_name, expected, result.__class__.__name__)
msg = '%s did not parse an %s; got %s' % fmt_args
self.assertIsNode(expected, result, msg=msg)
