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TestCases.rkt
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TestCases.rkt
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#lang racket
(require "project.rkt")
; This file uses Racket's unit-testing framework, which is convenient but not required of you.
(require rackunit)
(define tests
(test-suite
"Project Tests"
; arithmetic functions test
(check-equal? (eval-exp (plus (num 2) (num 2))) (num 4) "test1")
(check-equal? (eval-exp (minus (num -5) (num 2))) (num -7) "test2")
(check-equal? (eval-exp (mult (num 5) (num 2))) (num 10) "test3")
(check-equal? (eval-exp (div (num -5) (num -2))) (num 2) "test4")
(check-exn exn:fail?
(lambda () (eval-exp (div (num 5) (num 0)))
"test5"))
(check-equal? (eval-exp (plus (num -5) (neg (minus (num -2) (num 3)))))
(num 0) "test6")
(check-equal? (eval-exp (neg (mult (num 5) (plus
(div (num -2) (num 3))
(minus (num 1) (num -1)
)))))
(num -10) "test7")
(check-exn exn:fail?
(lambda () (eval-exp (plus (num 5.2) (num 0.0)))
"test8"))
; logical functions test
(check-equal? (eval-exp (andalso (bool #t) (bool #t))) (bool #t) "test9")
(check-equal? (eval-exp (orelse (bool #t) (bool #f))) (bool #t) "test10")
(check-equal? (eval-exp (orelse (bool #t) (num 2))) (bool #t) "test12")
(check-equal? (eval-exp (andalso (bool #f) (div (num 2) (num 0)))) (bool #f) "test13")
(check-equal? (eval-exp (andalso (bool #t) (neg (bool #t)))) (bool #f) "test14")
(check-equal? (eval-exp (orelse (iseq (num 2) (num 2)) (bool #f))) (bool #t) "test15")
(check-equal? (eval-exp (neg (iseq (bool #t) (bool #f)))) (bool #t) "test16")
(check-equal? (eval-exp (iseq (num 2) (bool #f))) (bool #f) "test17")
(check-equal? (eval-exp (iseq (num 2) (num -2))) (bool #f) "test18")
(check-equal? (eval-exp (neg (ismunit (apair (num 3) (munit))))) (bool #t) "test19")
(check-exn exn:fail?
(lambda () (eval-exp (plus (num 5) (bool #t)))
"test20"))
(check-exn exn:fail?
(lambda () (eval-exp (minus (bool #f) (bool #t)))
"test21"))
(check-exn exn:fail?
(lambda () (eval-exp (div (num 5) (bool #f)))
"test22"))
(check-exn exn:fail?
(lambda () (eval-exp (mult (bool #t) (num -2)))
"test23"))
(check-exn exn:fail?
(lambda () (eval-exp (num "hi"))
"test24"))
(check-exn exn:fail?
(lambda () (eval-exp (num (num 3)))
"test25"))
(check-exn exn:fail?
(lambda () (eval-exp (bool (bool #t)))
"test26"))
(check-exn exn:fail?
(lambda () (eval-exp (plus (munit) (num 2)))
"test27"))
(check-exn exn:fail?
(lambda () (eval-exp (1st (munit)))
"test28"))
(check-exn exn:fail?
(lambda () (eval-exp (2nd (num 3)))
"test29"))
(check-equal? (eval-exp (neg (num 0))) (num 0) "test30")
(check-equal? (eval-exp (neg (neg (num -11)))) (num -11) "test31")
; condition
(check-equal? (eval-exp (cnd (bool #t) (plus (num 1) (num 2)) (num "-1"))) (num 3) "test32")
(check-equal? (eval-exp (cnd (iseq (bool #t) (bool #f)) (munit) (bool #f))) (bool #f) "test33")
(check-equal? (eval-exp (cnd (bool #f) (num 2) (bool #t))) (bool #t) "test34")
(check-exn exn:fail?
(lambda () (eval-exp (cnd (num 2) (num 2) (bool #t)))
"test35"))
(check-exn exn:fail?
(lambda () (eval-exp (cnd (munit) (num 2) (bool #t)))
"test36"))
(check-equal? (eval-exp (cnd (andalso (neg (bool #t)) (bool 2))
(plus (num 1) (num 2))
(mult (num -1) (num -2))
)) (num 2) "test37")
(check-equal? (eval-exp (ifnzero (num 4) (num 1) (num 0))) (num 1) "test38")
(check-equal? (eval-exp (ifnzero (mult (num 0) (num 4)) (num 1) (bool #t))) (bool #t) "test39")
(check-exn exn:fail?
(lambda () (eval-exp (ifnzero (bool #t) (num 2) (bool #t)))
"test40"))
(check-exn exn:fail?
(lambda () (eval-exp (var munit)))
"test41")
(check-exn exn:fail?
(lambda () (eval-exp (var (num 2))))
"test42")
(check-exn exn:fail?
(lambda () (eval-exp (div (munit) (bool #f)))
"test43"))
(check-exn exn:fail?
(lambda () (eval-exp (neg (munit))))
"test44")
(check-equal? (numexlist->racketlist
(eval-exp (apply (apply numex-all-gt (num 5))
(racketlist->numexlist
(list (num 10) (num 4) (num 5) (num 15))))))
(list (num 10) (num 15))
"test45")
(test-equal? "test46"
(list (num 3) (num 4) (bool #t))
(numexlist->racketlist (apair (num 3) (apair (num 4) (apair (bool #t) (munit))))))
(test-equal? "test47"
(apair (list (num 42) (var "x")) (apair (list (bool #t) (var "y")) (munit)))
(racketlist->numexlist (list (list (num 42) (var "x")) (list (bool #t) (var "y"))))
)
(test-equal? "test48"
(apair (var "foo") (apair (num 17) (munit)))
(racketlist->numexlist (list (var "foo") (num 17))))
(check-equal? (racketlist->numexlist '(1 #t 3 #f))
(apair 1 (apair #t (apair 3 (apair #f (munit))))) "test49")
(check-equal? (racketlist->numexlist '()) (munit) "test50")
(check-equal? (numexlist->racketlist (apair #t (apair 2 (apair #f (apair 4 (munit))))))
'(#t 2 #f 4) "test51")
(check-equal? (numexlist->racketlist (munit)) '() "test52")
(check-equal? (eval-exp (ifleq (num 4) (num 5) (num 1) (bool #t))) (num 1) "test53")
(check-equal? (eval-exp (ifleq (num 4) (num 4) (bool #f) (munit))) (bool #f) "test54")
(check-equal? (eval-exp (ifleq (num 4) (num -4) (num 1) (num 0))) (num 0) "test55")
(check-exn exn:fail?
(lambda () (eval-exp (ifleq (bool #t) (num -4) (num 1) (num 0))))
"test56")
(check-exn exn:fail?
(lambda () (eval-exp (ifleq (apair (munit) (munit)) (num -4) (num 1) (num 0))))
"test57")
(test-equal? "test58"
(num 2)
(eval-exp (with "f1"
(lam "f1" "a" (with "x" (var "a") (lam "f2" "z" (plus (var "x") (num 1)))))
(with "f3" (lam "f3" "f" (with "x" (num 1729) (apply (var "f") (munit))))
(apply (var "f3") (apply (var "f1") (num 1)))))))
(test-equal? "test59"
(num 43)
(eval-exp (apply (lam "incr" "x" (plus (var "x") (num 1))) (num 42))))
(test-equal? "test60"
(bool #t)
(eval-exp (apply (lam "neg" "x" (neg (var "x"))) (bool #f))))
(test-equal? "test61"
(num 10)
(eval-exp (apply (lam "mul" "x" (neg (mult (var "x") (num 2)))) (num -5))))
(test-equal? "test62"
(bool #f)
(eval-exp (ifleq (plus (num 3) (num 2)) (mult (num 2) (num 5))
(andalso (bool #t) (bool #f)) (neg (plus "wrong" "bad")))))
(test-equal? "test63"
(num 2)
(eval-exp (ifnzero (plus (num 2) (num -2))
(neg (plus "wrong" "bad"))
(mult (num 2) (num 1)))))
(check-equal? (eval-exp (with "s" (num 4)
(div (num 12) (var "s")))) (num 3) "test64")
(test-equal? "test65"
(apair (num 21) (bool #t))
(eval-exp (apair (1st (apair (mult (num 7) (num 3)) (num 2)))
(2nd (apair (num 3) (bool #t)))
)))
(test-equal? "test66"
(num 6)
(eval-exp (with "fnc"
(lam "f1" "x"
(ifneq (ismunit (var "x")) (bool #f)
(num 0)
(plus (1st (var "x")) (apply (var "f1") (2nd (var "x"))))))
(apply (var "fnc") (apair (num 1) (apair (num 2) (apair (num 3) (munit))))))))
(check-equal? (eval-exp (1st (apair (num 3) (bool #t)))) (num 3) "test67")
(check-equal? (eval-exp (2nd (apair (num 3) (bool #t)))) (bool #t) "test68")
(check-equal? (eval-exp (ismunit (munit))) (bool #t) "test69")
(check-equal? (eval-exp (apply (lam "a" "b" (ifleq (var "b") (num 5) (plus (var "b") (num 3))
(apply (var "a") (mult (num 2) (num 3)))))
(num 2))) (num 5) "test70")
(check-equal? (eval-exp (apply (lam "fact" "n"
(cnd (iseq (var "n") (num 0))
(num 1)
(mult (var "n") (apply (var "fact") (minus (var "n") (num 1))
)))) (num 5)))
(num 120) "test71")
(check-equal? (eval-exp (with* (list (cons "f" (num 2)) (cons "y" (var "f"))) (plus (var "f") (plus (var "y") (num 3))))) (num 7) "test72")
(check-equal? (eval-exp (ifmunit (munit) (plus (num 1) (num 2)) (plus (num 3)(num 4)))) (num 3) "test73")
(check-equal? (eval-exp (ifmunit (bool #f) (bool 2) (plus (num 1) (num 2)))) (num 3) "test74")
(check-exn exn:fail?
(lambda () (eval-exp (neg (munit))))
"test75")
(check-equal? (eval-exp (ifneq (num 1) (num 2) (num 3) (num 4) )) (num 3) "test76")
(check-equal? (eval-exp (ifneq (num 1) (num 1) (num 3) (bool #t))) (bool #t) "test77")
(check-equal? (num 1)
(eval-exp (with* (cons (cons "x" (num 1)) null) (var "x")))
"test78")
(check-equal?
(bool #t)
(eval-exp (with* (list (cons "f" (num 2)) (cons "y" (bool #t))) (ifneq (var "f") (num 2) (bool #f) (var "y"))))
"test79")
(check-exn exn:fail?
(lambda () (eval-exp (num #t))
"test80"))
(check-exn exn:fail?
(lambda () (eval-exp (bool "hi"))
"test81"))
(check-exn exn:fail?
(lambda () (eval-exp (bool 22))
"test82"))
(check-exn exn:fail?
(lambda () (eval-exp (bool (num 3)))
"test83"))
(check-exn exn:fail?
(lambda () (eval-exp (num (bool #t)))
"test84"))
(check-equal? (eval-exp (plus (plus (num 1) (num 2)) (minus (num 3) (num 4)))) (num 2) "test85")
(check-equal? (eval-exp (mult (mult (num 3) (num 2)) (mult (num 3) (num 4)))) (num 72) "test86")
(check-exn exn:fail? (lambda () (eval-exp (mult (num 3) (munit)))) "test87")
(check-equal? (eval-exp (num -5)) (num -5) "test88")
(check-equal? (eval-exp (munit)) (munit) "test89")
(check-equal? (eval-exp (closure '() (lam null "x" (var "x"))))
(closure '() (lam null "x" (var "x"))) "test90")
(check-equal? (eval-exp (with "x" (andalso (bool #t) (bool #t)) (orelse (bool #f) (var "x")))) (bool #t) "test 91")
(check-equal? (eval-exp (with "x" (num 1) (var "x"))) (num 1) "test92")
(check-exn exn:fail? (lambda () (eval-exp (var "x"))) "test93")
(check-equal? (eval-exp (lam null "x" (var "x")))
(closure '() (lam null "x" (var "x"))) "test94")
(check-equal? (eval-exp (with "x" (num 1) (lam null "a" (var "x"))))
(closure (list (cons "x" (num 1))) (lam null "a" (var "x"))) "test95")
(check-exn exn:fail? (lambda () (eval-exp (ifleq "1" (num 2) (num 3) (num 4)))) "test96")
(check-exn exn:fail? (lambda () (eval-exp (ifnzero "1" (num 2) (num 3) ))) "test97")
(check-equal? (eval-exp (apair (num 1) (num 1))) (apair (num 1) (num 1)) "test98")
(check-equal? (eval-exp (with "x" (num 1) (apair (var "x") (var "x"))))
(apair (num 1) (num 1)) "test99")
(check-equal? (eval-exp (1st (apair (num 1) (bool #t)))) (num 1) "test100")
(check-equal? (eval-exp (with "x" (apair (num 1) (bool #t)) (1st (var "x")))) (num 1) "test101")
(check-exn exn:fail? (lambda () (eval-exp (1st (plus (num 1) (num 2))))) "test102")
(check-equal? (eval-exp (2nd (apair (num 1) (bool #t)))) (bool #t) "test103")
(check-equal? (eval-exp (with "x" (apair (num 1) (bool #t)) (2nd (var "x")))) (bool #t) "test104")
(check-exn exn:fail? (lambda () (eval-exp (2nd (plus (num 1) (bool #t))))) "test105")
(check-equal? (eval-exp (ismunit (munit))) (bool #t) "test106")
(check-equal? (eval-exp (with "x" (munit) (ismunit (var "x")))) (bool #t) "test107")
(check-equal? (eval-exp (ismunit (num 0))) (bool #f) "test108")
(check-equal? (eval-exp (with "x" (num 0) (ismunit (var "x")))) (bool #f) "test109")
(check-equal? (eval-exp (with "double" (lam "double" "x" (plus (var "x") (var "x")))
(apply (var "double") (num 10))))
(num 20) "test110")
(check-equal?
(eval-exp
(with "range"
(lam "range" "lo"
(lam null "hi"
(ifleq (var "hi") (var "lo") (munit)
(apair (var "lo") (apply (apply (var "range") (plus (num 1) (var "lo"))) (var "hi"))))))
(apply (apply (var "range") (num 5)) (num 8))))
(apair (num 5) (apair (num 6) (apair (num 7) (munit)))) "test111")
(check-equal?
(eval-exp (apply (lam "a" "b" (ifleq (num 5) (var "b") (plus (var "b") (num 3))
(apply (var "a") (mult (num 2) (num 3)) ))) (num 2))
)(num 9) "test112")
(check-equal?
(eval-exp (apply (lam "a" "b" (ifneq (var "b") (num 1)
(with "b" (plus (var "b") (num -1)) (apply (var "a") (var "b") ))
(num 3)
)) (num 2))
) (num 3) "test113")
;;
(check-equal?
(eval-exp (apply (apply (apply (lam "a" "b" (lam "x" "y" (lam "w" "r" (neg (mult (plus (var "b") (var "y")) (var "r"))))))
(num 2))
(num 3))
(num 5))
) (num -25) "test114")
(check-equal?
(eval-exp (apply (lam "a" "b" (ifnzero (var "b")
(with* (list (cons "b" (plus (var "b") (num -1)))) (plus (num 1) (apply (var "a") (var "b"))))
(num 3)
)) (num 2))
)(num 5) "test115")
;;
(check-exn exn:fail? (lambda () (eval-exp (apply (num 1) (num 2)))) "test116")
(check-exn exn:fail? (lambda () (eval-exp (list (num 1) (num 2)))) "test117")
(check-equal? (eval-exp (with* (list (cons "x" (num 1)) (cons "y" (num 2))) (plus (var "x")(var "y"))))
(num 3) "test118")
(check-equal? (eval-exp (with* (list (cons "x" (bool #t))) (var "x")))
(bool #t) "test119")
(check-equal? (eval-exp (with* (list (cons "x" (num 1)) (cons "x" (num 2))) (var "x")))
(num 2) "test120")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (plus (num 1) (var "x"))))
(apair (num 1) (apair (num 2) (munit)))))
(apair (num 2) (apair (num 3) (munit))) "test121")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (minus (num 1) (var "x"))))
(apair (num 1) (apair (num 2) (munit)))))
(apair (num -1) (munit)) "test122")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (mult (num 0) (var "x"))))
(apair (num 1) (apair (num 2) (munit)))))
(munit) "test123")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (num 0)))
(apair (bool #t) (apair (num 2) (munit)))))
(munit) "test124")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (minus (num 1) (var "x"))))
(munit)))
(munit) "test125")
(check-equal? (eval-exp
(apply (apply numex-filter (lam null "x" (div (num 1) (var "x"))))
(apair (num 2) (apair (num 1) (apair (num -2) (munit))))))
(apair (num 1) (munit)) "test126")
(check-equal? (eval-exp
(apply (apply numex-all-gt (num 1) )
(apair (num 2) (apair (num 1) (apair (num -2) (munit))))))
(apair (num 2) (munit)) "test127")
(check-equal? (eval-exp
(apply (apply numex-all-gt (num 2) )
(apair (num 2) (apair (neg (num 2)) (apair (num -2) (munit))))))
(munit) "test128")
(check-equal? (eval-exp
(apply (apply numex-all-gt (num -2) )
(munit)))
(munit) "test129")
(check-exn exn:fail? (lambda () (eval-exp
(apply (apply numex-all-gt (bool #t) )
(apair (num 2) (apair (num 2) (apair (num -2) (munit)))))))
"test130")
(check-exn exn:fail? (lambda () (eval-exp
(apply (apply numex-all-gt (num 2) )
(apair (num 2) (apair (bool #t) (apair (num -2) (munit)))))))
"test131")
(check-equal? (eval-exp (value "Donald Knuth" (record (key "Donald Knuth" (num 1)) (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (munit)))))) (num 1) "test132")
(check-equal? (eval-exp (value "John McCarthy" (record (key "Donald Knuth" (num 1)) (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (munit)))))) (num 2) "test133")
(check-equal? (eval-exp (value "Barbara Liskov" (record (key "Donald Knuth" (num 1)) (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (munit)))))) (num 3) "test134")
(check-equal? (eval-exp (value "Lotfi A. Zadeh" (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (munit))))) (munit) "test135")
(check-equal? (eval-exp (value "Maryam Mirzakhani" (record (key "Donald Knuth" (num 1)) (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (munit)))))) (munit) "test136")
(check-equal? (eval-exp (value "Bertrand Russell" (record (key "Donald Knuth" (num 1)) (record (key "John McCarthy" (num 2)) (record (key "Barbara Liskov" (num 3)) (record (key "Zohar Manna" (num 4)) (munit))))))) (munit) "test137")
(check-equal? (eval-exp (letrec "is-even" (lam null "n" (orelse (iseq (var "n") (num 0)) (apply (var "is-odd") (minus (var "n") (num 1))))) "is-odd" (lam null "n" (andalso (neg (iseq (var "n") (num 0))) (apply (var "is-even") (minus (var "n") (num 1))))) "temporary-1" (num 1) "temporary-2" (num 2) (apply (var "is-odd") (num 11)))) (bool #t) "test138")
(check-equal? (eval-exp (letrec "is-even" (lam null "n" (orelse (iseq (var "n") (num 0)) (apply (var "is-odd") (minus (var "n") (num 1))))) "is-odd" (lam null "n" (andalso (neg (iseq (var "n") (num 0))) (apply (var "is-even") (minus (var "n") (num 1))))) "temporary-1" (num 1) "temporary-2" (num 2) (apply (var "is-odd") (num 10)))) (bool #f) "test139")
(check-equal? (eval-exp (letrec "is-even" (lam null "n" (orelse (iseq (var "n") (num 0)) (apply (var "is-odd") (minus (var "n") (num 1))))) "is-odd" (lam null "n" (andalso (neg (iseq (var "n") (num 0))) (apply (var "is-even") (minus (var "n") (num 1))))) "temporary-1" (num 1) "temporary-2" (num 2) (apply (var "is-even") (num 11)))) (bool #f) "test140")
(check-equal? (eval-exp (letrec "is-even" (lam null "n" (orelse (iseq (var "n") (num 0)) (apply (var "is-odd") (minus (var "n") (num 1))))) "is-odd" (lam null "n" (andalso (neg (iseq (var "n") (num 0))) (apply (var "is-even") (minus (var "n") (num 1))))) "temporary-1" (num 1) "temporary-2" (num 2) (apply (var "is-even") (num 10)))) (bool #t) "test141")
;; type inference tests:
(check-equal? (infer-exp (plus (num 1) (num 2))) "int" "test142")
(check-equal? (infer-exp (plus (plus (num 4) (num 6)) (num 2))) "int" "test143")
(check-equal? (infer-exp (plus (plus (num 4) (num 6)) (plus (num 4) (num 6)))) "int" "test143")
(check-exn exn:fail? (lambda () (infer-exp (plus (plus (num 4) (bool #t)) (num 2)))) "test144")
(check-equal? (infer-exp (neg (num 1))) "int" "test145")
(check-equal? (infer-exp (neg (bool #t))) "bool" "test146")
(check-exn exn:fail? (lambda () (infer-exp (neg (munit)))) "test147")
(check-equal? (infer-exp (andalso (bool #t) (bool #f))) "bool" "test148")
(check-equal? (infer-exp (andalso (neg (bool #t)) (bool #f))) "bool" "test149")
(check-exn exn:fail? (lambda () (infer-exp (andalso (bool #t) (num 2)))) "test150")
(check-equal? (infer-exp (iseq (num 1) (num 2))) "bool" "test151")
(check-equal? (infer-exp (iseq (bool #t) (bool #f))) "bool" "test152")
(check-exn exn:fail? (lambda () (infer-exp (iseq (bool #t) (num 2)))) "test153")
(check-equal? (infer-exp (cnd (bool #t) (num 2) (num 3))) "int" "test154")
(check-equal? (infer-exp (cnd (bool #t) (bool #t) (bool #f))) "bool" "test155")
(check-equal? (infer-exp (cnd (andalso (bool #f) (bool #t)) (plus (num 5) (num 4)) (neg (num 3)))) "int" "test156")
(check-equal? (infer-exp (neg (neg (neg (num 1))))) "int" "test157")
(check-equal? (infer-exp (neg (neg (neg (bool #f))))) "bool" "test158")
(check-exn exn:fail? (lambda () (infer-exp (cnd (num 2) (num 2) (num 3)))) "test159")
(check-exn exn:fail? (lambda () (infer-exp (cnd (bool #t) (num 2) (bool #f)))) "test160")
(check-exn exn:fail? (lambda () (infer-exp (cnd (andalso (bool #f) (bool #t)) (plus (num 5) (num 4)) (neg (bool #t))))) "test161")
(check-exn exn:fail? (lambda () (infer-exp (cnd (plus (num 1) (num 2)) (plus (num 5) (num 4)) (neg (num 3))))) "test162")
(check-equal? (infer-exp (iseq (plus (num 1) (num 2)) (neg (num 2)))) "bool" "test163")
(check-equal? (infer-exp (iseq (neg (bool #t)) (neg (bool #f)))) "bool" "test164")
(check-exn exn:fail? (lambda () (infer-exp (iseq (plus (num 1) (num 2)) (neg (bool #f))))) "test165")
(check-equal? (infer-exp (with "x" (num 2) (plus (var "x") (num 3)))) "int" "test166")
(check-equal? (infer-exp (with "x" (neg (num 2)) (plus (num 2) (var "x")))) "int" "test167")
(check-equal? (infer-exp (with "x" (neg (bool #t)) (andalso (bool #f) (var "x")))) "bool" "test168")
(check-exn exn:fail? (lambda () (infer-exp (with "x" (neg (num 2)) (andalso (bool #f) (var "x"))))) "test169")
(check-exn exn:fail? (lambda () (infer-exp (with "x" (neg (bool #t)) (plus (num 2) (var "x"))))) "test170")
(check-equal? (infer-exp (munit)) "null" "test171")
(check-equal? (infer-exp (tlam "f" "x" "int" (plus (var "x") (num 3)))) (function "int" "int") "test172")
(check-equal? (infer-exp (tlam "f" "x" "int" (plus (num 2) (var "x")))) (function "int" "int") "test173")
(check-equal? (infer-exp (tlam "f" "x" "bool" (andalso (bool #f) (var "x")))) (function "bool" "bool") "test174")
(check-exn exn:fail? (lambda () (infer-exp (tlam "f" "x" "int" (andalso (bool #f) (var "x"))))) "test175")
(check-exn exn:fail? (lambda () (infer-exp (tlam "f" "x" "bool" (plus (num 2) (var "x"))))) "test176")
(check-equal? (infer-exp (tlam "f" "x" "bool" (plus (num 2) (cnd (var "x") (num 2) (num 3))))) (function "bool" "int") "test177")
(check-equal? (infer-exp (apply (tlam "f" "x" "int" (plus (var "x") (num 3))) (num 4))) "int" "test178")
(check-equal? (infer-exp (apply (tlam "f" "x" "int" (plus (var "x") (num 3))) (plus (plus (num 4) (num 6)) (num 2)))) "int" "test179")
(check-equal? (infer-exp (apply (tlam "f" "x" "bool" (plus (num 2) (cnd (var "x") (num 2) (num 3)))) (neg (bool #t)))) "int" "test180")
(check-equal? (infer-exp (apply (tlam "f" "x" "bool" (andalso (bool #f) (var "x"))) (neg (bool #t)))) "bool" "test181")
(check-exn exn:fail? (lambda () (infer-exp (apply (tlam "f" "x" "bool" (plus (num 2) (cnd (var "x") (num 2) (num 3)))) (neg (num 2))))) "test182")
(check-exn exn:fail? (lambda () (infer-exp (apply (tlam "f" "x" "bool" (andalso (bool #f) (var "x"))) (neg (num 2))))) "test183")
(check-equal? (infer-exp (apair (num 1) (munit))) (collection "int") "test184")
(check-equal? (infer-exp (apair (bool #t) (munit))) (collection "bool") "test185")
(check-exn exn:fail? (lambda () (infer-exp (apair (num 1) (num 2)))) "test186")
(check-exn exn:fail? (lambda () (infer-exp (apair (bool #t) (bool #f)))) "test187")
(check-equal? (infer-exp (apair (num 1) (apair (num 2) (munit)))) (collection "int") "test188")
(check-equal? (infer-exp (apair (bool #t) (apair (bool #t) (munit)))) (collection "bool") "test189")
(check-exn exn:fail? (lambda () (infer-exp (apair (num 1) (apair (bool #t) (munit))))) "test190")
(check-exn exn:fail? (lambda () (infer-exp (apair (bool #t) (apair (num 2) (munit))))) "test191")
(check-equal? (infer-exp (1st (apair (num 1) (apair (num 2) (munit))))) "int" "test192")
(check-equal? (infer-exp (1st (apair (bool #t) (apair (bool #t) (munit))))) "bool" "test193")
(check-exn exn:fail? (lambda () (infer-exp (1st (plus (num 2) (num 3))))) "test194")
(check-equal? (infer-exp (2nd (apair (num 1) (apair (num 2) (munit))))) (collection "int") "test195")
(check-equal? (infer-exp (2nd (apair (bool #t) (apair (bool #t) (munit))))) (collection "bool") "test196")
(check-equal? (infer-exp (apair (plus (num 2)(num 3)) (munit))) (collection "int") "test197")
(check-equal? (infer-exp (apair (andalso (bool #t)(bool #f)) (munit))) (collection "bool") "test198")
(check-equal? (infer-exp (2nd (2nd (2nd (2nd (2nd (apair (num 1) (munit)))))))) (collection "int") "test199")
(check-equal? (infer-exp (2nd (2nd (2nd (2nd (2nd (apair (bool #t) (munit)))))))) (collection "bool") "test200")
(check-exn exn:fail? (lambda () (infer-exp (2nd (plus (num 2) (num 3))))) "test201")
(check-equal? (infer-exp (ismunit (apair (num 1) (apair (num 2) (munit))))) "bool" "test202")
(check-equal? (infer-exp (ismunit (apair (bool #t) (apair (bool #f) (munit))))) "bool" "test203")
(check-equal? (infer-exp (ismunit (munit))) "bool" "test206")
(check-exn exn:fail? (lambda () (infer-exp (ismunit (plus (num 2) (num 3))))) "test207")
(check-exn exn:fail? (lambda () (infer-exp (ismunit (andalso (bool #t) (bool #f))))) "test208")
))
(require rackunit/text-ui)
(require rackunit/log)
;; runs the test
;(run-tests tests)
(define result (run-tests tests))
(define out (open-output-file "grade.txt" #:exists 'replace))
(pretty-write (- 100 result) out #:newline? #t)
(pretty-write (test-log) out #:newline? #f)
(close-output-port out)
;(define out2 (open-output-file "summary.txt" #:exists 'replace))
;(write (test-log) out2)
;(close-output-port out2)