def test_program(self):
self.assertEqual(parse("""
(def (f x)
(* x x))
(f 12)
(print '"hello world")
"""), List(
List(Symbol('def'), List(Symbol('f'), Symbol('x')),
List(Symbol('*'), Symbol('x'), Symbol('x'))),
List(Symbol('f'), Number(12)),
List(Symbol('print'),
List(Symbol('quote'), String("hello world")))))
def test_string(self):
self.assertEqual(parse('""'), List(
String("")))
self.assertEqual(parse(r'"\""'), List(
String("\"")))
self.assertEqual(parse('"\\"" one'), List(
String('"'),
Symbol("one")))
self.assertEqual(parse(r'"hello world"'), List(
String("hello world")))
self.assertEqual(parse(r'"hello \"world\""'), List(
String("hello \"world\"")))
self.assertEqual(parse(r'"hello" "world"'), List(
String("hello"), String("world")))
def evaluate(self, code):
i = Interpreter()
for e in parse(code):
i.evaluate(e)
return i
def test_comment(self):
self.assertEqual(parse("one ; 1 2\ntwo"), List(
Symbol("one"),
Symbol("two")))
def test_identifier(self):
self.assertEqual(parse("hello world*"), List(
Symbol("hello"),
Symbol("world*")))
def test_quote(self):
self.assertEqual(parse("'(12\n3)"), List(
List(Symbol('quote'), List(Number(12), Number(3)))))
def test_sexpr(self):
self.assertEqual(parse("(12 3) ()"), List(
List(Number(12), Number(3)),
List()))
def test_exprs(self):
self.assertEqual(parse("12 3"), List(
Number(12),
Number(3)))
def test_number(self):
self.assertEqual(parse("1"), List(Number(1)))
self.assertEqual(parse("1234"), List(Number(1234)))
self.assertEqual(parse("-1"), List(Number(-1)))
self.assertEqual(parse("1.0"), List(Number(1.0)))
self.assertEqual(parse("-1.0"), List(Number(-1.0)))