HCrisp/spec/crisp/mal_specs/tests/step9_try.mal

;;
;; Testing try*/catch*

(try* 123 (catch* e 456))
;=>123

(try* (abc 1 2) (catch* exc (prn "exc is:" exc)))
; "exc is:" "'abc' not found"
;=>nil

;;;TODO: fix so long lines don't trigger ANSI escape codes ;;;(try*
;;;(try* (throw ["data" "foo"]) (catch* exc (do (prn "exc is:" exc) 7))) ;;;;
;;;; "exc is:" ["data" "foo"] ;;;;=>7
;;;;=>7

(try* (throw (list 1 2 3)) (catch* exc (do (prn "err:" exc) 7)))
; "err:" (1 2 3)
;=>7

(try* (throw "my exception") (catch* exc (do (prn "exc:" exc) 7)))
; "exc:" "my exception"
;=>7

;;; Test that throw is a function:
(try* (map throw (list 7)) (catch* exc exc))
;=>7


;;
;; Testing builtin functions

(symbol? 'abc)
;=>true
(symbol? "abc")
;=>false

(nil? nil)
;=>true
(nil? true)
;=>false

(true? true)
;=>true
(true? false)
;=>false
(true? true?)
;=>false

(false? false)
;=>true
(false? true)
;=>false

;; Testing apply function with core functions
(apply + (list 2 3))
;=>5
(apply + 4 (list 5))
;=>9
(apply prn (list 1 2 "3" (list)))
; 1 2 "3" ()
(apply prn 1 2 (list "3" (list)))
; 1 2 "3" ()

;; Testing apply function with user functions
(apply (fn* (a b) (+ a b)) (list 2 3))
;=>5
(apply (fn* (a b) (+ a b)) 4 (list 5))
;=>9

;; Testing map function
(def! nums (list 1 2 3))
(def! double (fn* (a) (* 2 a)))
(double 3)
;=>6
(map double nums) 
;=>(2 4 6)
(map (fn* (x) (symbol? x)) (list 1 (symbol "two") "three"))
;=>(false true false)

;;
;; ------- Optional Functionality ----------
;; ------- (Needed for self-hosting) -------

;; Testing symbol and keyword functions
(symbol? :abc)
;=>false
(symbol? 'abc)
;=>true
(symbol? "abc")
;=>false
(symbol? (symbol "abc"))
;=>true
(keyword? :abc)
;=>true
(keyword? 'abc)
;=>false
(keyword? "abc")
;=>false
(keyword? (keyword "abc"))
;=>true

(symbol "abc")
;=>abc
;;;TODO: all implementations should suppport this too
;;;(keyword :abc)
;;;;=>:abc
(keyword "abc")
;=>:abc

;; Testing sequential? function

(sequential? (list 1 2 3))
;=>true
(sequential? [15])
;=>true
(sequential? sequential?)
;=>false
(sequential? nil)
;=>false
(sequential? "abc")
;=>false

;; Testing apply function with core functions and arguments in vector
(apply + 4 [5])
;=>9
(apply prn 1 2 ["3" 4])
; 1 2 "3" 4
;=>nil
;; Testing apply function with user functions and arguments in vector
(apply (fn* (a b) (+ a b)) [2 3])
;=>5
(apply (fn* (a b) (+ a b)) 4 [5])
;=>9


;; Testing map function with vectors
(map (fn* (a) (* 2 a)) [1 2 3])
;=>(2 4 6)

;; Testing vector functions

(vector? [10 11])
;=>true
(vector? '(12 13))
;=>false
(vector 3 4 5)
;=>[3 4 5]

(map? {})
;=>true
(map? '())
;=>false
(map? [])
;=>false
(map? 'abc)
;=>false
(map? :abc)
;=>false

;;
;; Testing hash-maps
(hash-map "a" 1)
;=>{"a" 1}

{"a" 1}
;=>{"a" 1}

(assoc {} "a" 1)
;=>{"a" 1}

(get (assoc (assoc {"a" 1 } "b" 2) "c" 3) "a")
;=>1

(def! hm1 (hash-map))
;=>{}

(map? hm1)
;=>true
(map? 1)
;=>false
(map? "abc")
;=>false

(get nil "a")
;=>nil

(get hm1 "a")
;=>nil

(contains? hm1 "a")
;=>false

(def! hm2 (assoc hm1 "a" 1))
;=>{"a" 1}

(get hm1 "a")
;=>nil

(contains? hm1 "a")
;=>false

(get hm2 "a")
;=>1

(contains? hm2 "a")
;=>true


;;; TODO: fix. Clojure returns nil but this breaks mal impl
(keys hm1)
;=>()

(keys hm2)
;=>("a")

;;; TODO: fix. Clojure returns nil but this breaks mal impl
(vals hm1)
;=>()

(vals hm2)
;=>(1)

(count (keys (assoc hm2 "b" 2 "c" 3)))
;=>3

(def! hm3 (assoc hm2 "b" 2))
(count (keys hm3))
;=>2
(count (vals hm3))
;=>2

(dissoc hm3 "a")
;=>{"b" 2}

(dissoc hm3 "a" "b")
;=>{}

(dissoc hm3 "a" "b" "c")
;=>{}

(count (keys hm3))
;=>2

;; Testing keywords as hash-map keys
(get {:abc 123} :abc)
;=>123
(contains? {:abc 123} :abc)
;=>true
(contains? {:abcd 123} :abc)
;=>false
(assoc {} :bcd 234)
;=>{:bcd 234}
(dissoc {:cde 345 :fgh 456} :cde)
;=>{:fgh 456}
(keyword? (nth (keys {:abc 123 :def 456}) 0))
;=>true
;;; TODO: support : in strings in make impl
;;;(keyword? (nth (keys {":abc" 123 ":def" 456}) 0))
;;;;=>false
(keyword? (nth (vals {"a" :abc "b" :def}) 0))
;=>true