def testScanBooleanTrue(self):
lexer = Lexer()
lexer.input("def boolean = true")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = BOOL')
def testScanNegativeInteger(self):
lexer = Lexer()
lexer.input("def number = -102")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = INT')
def testScanVariable(self):
lexer = Lexer()
lexer.input("def x = y")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = ID')
def testScanLambda(self):
lexer = Lexer()
lexer.input("def f(x) = lambda(y) x")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID ( ID ) = LAMBDA ( ID ) ID')
def testScanList(self):
lexer = Lexer()
lexer.input("def t = [a, b]")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = [ ID , ID ]')
def testScanTuple(self):
lexer = Lexer()
lexer.input("def t = (a, b)")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = ( ID , ID )')
def testScanFunction(self):
lexer = Lexer()
lexer.input("def f(x) = x")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID ( ID ) = ID')
def testScanString(self):
lexer = Lexer()
lexer.input("def string = \"hello, world!\"")
(tokens, errors) = lexer.allTokens()
# assert that no error occured
self.assertEqual(errors, [])
# assert correct token scanning
self.assertEqual(types(tokens), 'DEF ID = STRING')
