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test_exec.py
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test_exec.py
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#!/usr/bin/env python
import unittest
import minilisp
def run_code_to_int(string_code):
return minilisp.run_code("(gifb %s)" % string_code).as_int()
def run_unboxed_code_to_int(string_code):
return minilisp.run_code(string_code).as_int()
class TestLispFunctions(unittest.TestCase):
def testParse(self):
self.assertEqual(3, minilisp.parse("3"))
self.assertEqual('x', minilisp.parse("x"))
self.assertEqual(['+', 'x', 'y'], minilisp.parse("(+ x y)"))
def testVar(self):
self.assertEqual(3, run_code_to_int('3'))
def testMath(self):
self.assertEqual(7, run_code_to_int('(+ 2 (- (* 5 3) 10))'))
def testLet(self):
self.assertEqual(9, run_code_to_int('(let ((x 1)) (+ x 8))'))
def testEquality(self):
ret1 = 1 & run_unboxed_code_to_int('(= 3 3)')
self.assertEqual(1, ret1)
ret2 = 1 & run_unboxed_code_to_int('(= 3 2)')
self.assertEqual(0, ret2)
def testLT(self):
ret1 = 1 & run_unboxed_code_to_int('(< 3 3)')
self.assertEqual(0, ret1)
ret2 = 1 & run_unboxed_code_to_int('(< 2 3)')
self.assertEqual(1, ret2)
def testOtherCmp(self):
ret1 = 1 & run_unboxed_code_to_int('(<= 3 3)')
self.assertEqual(1, ret1)
ret2 = 1 & run_unboxed_code_to_int('(<= 3 4)')
self.assertEqual(1, ret2)
ret3 = 1 & run_unboxed_code_to_int('(<= 3 2)')
self.assertEqual(0, ret3)
ret4 = 1 & run_unboxed_code_to_int('(!= 2 3)')
self.assertEqual(1, ret4)
ret5 = 1 & run_unboxed_code_to_int('(!= 5 5)')
self.assertEqual(0, ret5)
ret6 = 1 & run_unboxed_code_to_int('(> 3 5)')
self.assertEqual(0, ret6)
ret7 = 1 & run_unboxed_code_to_int('(> 3 3)')
self.assertEqual(0, ret7)
ret8 = 1 & run_unboxed_code_to_int('(>= 3 3)')
self.assertEqual(1, ret8)
def testIf(self):
self.assertEqual(4, run_code_to_int('(if (= 1 2) 3 4)'))
self.assertEqual(3, run_code_to_int('(if (= 1 1) 3 4)'))
def testComplexIfLet(self):
code = '(if (= (let ((x 1)) x) (let ((x 2)) x)) (let ((x 5)) x) (let ((x 6)) x))'
self.assertEqual(6, run_code_to_int(code))
def testBegin(self):
code = '(begin (+ 3 4) (+ 7 8))'
self.assertEqual(15, run_code_to_int(code))
def testSet(self):
code = '(let ((x 3)) (let ((y 4)) (begin (set! x 5) x)))'
self.assertEqual(5, run_code_to_int(code))
def testBeginAndSet(self):
code = '(begin (set! x 3) x)'
self.assertEqual(3, run_code_to_int(code))
def testWhile(self):
code = '(let ((x 2)(y 11)) \
(begin \
(while (< 0 x) \
(begin (set! x (- x 1)) (set! y (+ y 1)))) \
y))'
self.assertEqual(13, run_code_to_int(code))
def testWhileNoTimes(self):
code = ('(let ((x 3)) (begin (while (< 3 0) (set! x 5)) x))')
self.assertEqual(3, run_code_to_int(code))
def testNil(self):
minilisp.run_code('nil')
def testCons(self):
minilisp.run_code('(cons 3 nil)')
def testHead(self):
self.assertEqual(5, run_code_to_int('(head (cons 5 nil))'))
def testAddBoxed(self):
self.assertEqual(25, run_unboxed_code_to_int('(add_boxed 10 15)'))
def testLetCons(self):
self.assertEqual(33, run_code_to_int('(let ((y (cons 33 nil))) (head y))'))
def testConsCons(self):
self.assertEqual(3, run_code_to_int('(let ((x (cons 3 nil)) (y (cons 4 nil))) (head (head (cons x y))))'))
def testTail(self):
self.assertEqual(4, run_code_to_int('(head (tail (cons 3 (cons 4 nil))))'))
def testLambda(self):
self.assertEqual(5, run_code_to_int('(let ((tfunc (lambda (x y) (+ x y)))) (tfunc 2 3))'))
def testDefineVar(self):
self.assertEqual(3, run_code_to_int('(begin (define a 3) a)'))
def testDefineFunc(self):
self.assertEqual(7, run_code_to_int('(begin (define (atestf y z) (+ y z)) (atestf 3 4))'))
def testNCmp(self):
ret1 = 1 & run_unboxed_code_to_int('(< 2)')
self.assertEqual(1, ret1)
ret2 = 1 & run_unboxed_code_to_int('(< 2 3 4)')
self.assertEqual(1, ret2)
ret3 = 1 & run_unboxed_code_to_int('(< 2 4 3)')
self.assertEqual(0, ret3)
def testNAdd(self):
ret1 = run_code_to_int('(+)')
self.assertEqual(0, ret1)
ret2 = run_code_to_int('(+ 2)')
self.assertEqual(2, ret2)
ret3 = run_code_to_int('(+ 2 4 3)')
self.assertEqual(9, ret3)
def testNSub(self):
ret1 = run_code_to_int('(- -4)')
self.assertEqual(4, ret1)
ret2 = run_code_to_int('(- 5 2)')
self.assertEqual(3, ret2)
ret3 = run_code_to_int('(- 10 7 1)')
self.assertEqual(2, ret3)
def testApply0(self):
code = "(apply (lambda () 3) 'nil)"
self.assertEqual(3, run_code_to_int(code))
def _testApply(self):
code = "(apply add_boxed (cons 1 (cons 2 'nil))))"
self.assertEqual(6, run_code_to_int(code))
if __name__ == '__main__':
unittest.main()