janet/test/suite6.janet

# Copyright (c) 2019 Calvin Rose & contributors
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(import ./helper :prefix "" :exit true)
(start-suite 6)

# some tests for bigint

(def i64 int/s64)
(def u64 int/u64)

(assert-no-error
 "create some uint64 bigints"
 (do
   # from number
   (def a (u64 10))
   # max double we can convert to int (2^53)
   (def b (u64 0x1fffffffffffff))
   (def b (u64 (math/pow 2 53)))
   # from string
   (def c (u64 "0xffff_ffff_ffff_ffff"))
   (def c (u64 "32rvv_vv_vv_vv"))
   (def d (u64 "123456789"))))

(assert-no-error
 "create some int64 bigints"
 (do
   # from number
   (def a (i64 -10))
   # max double we can convert to int (2^53)
   (def b (i64 0x1fffffffffffff))
   (def b (i64 (math/pow 2 53)))
   # from string
   (def c (i64 "0x7fff_ffff_ffff_ffff"))
   (def d (i64 "123456789"))))

(assert-error
 "bad initializers"
 (do
   # double to big to be converted to uint64 without truncation (2^53 + 1)
   (def b (u64 (+ 0xffff_ffff_ffff_ff 1)))
   (def b (u64 (+ (math/pow 2 53) 1)))
   # out of range 65 bits
   (def c (u64 "0x1ffffffffffffffff"))
   # just to big
   (def d (u64 "123456789123456789123456789"))))

(assert (:== (:/ (u64 "0xffff_ffff_ffff_ffff") 8 2) "0xfffffffffffffff") "bigint operations")
(assert (let [a (u64 0xff)] (:== (:+ a a a a) (:* a 2 2))) "bigint operations")

(assert-error
 "trap INT64_MIN / -1"
 (:/ (int/s64 "-0x8000_0000_0000_0000") -1))

# in place operators
(assert (let [a (u64 1e10)] (:+! a 1000000 "1000000" "0xffff") (:== a 10002065535)) "in place operators")

# int64 typed arrays
(assert (let [t (tarray/new :int64 10)
              b (i64 1000)]
          (set (t 0) 1000)
          (set (t 1) b)
          (set (t 2) "1000")
          (set (t 3) (t 0))
          (set (t 4) (u64 1000))
          (and
           (:== (t 0) (t 1))
           (:== (t 1) (t 2))
           (:== (t 2) (t 3))
           (:== (t 3) (t 4))
           ))
        "int64 typed arrays")

# Dynamic bindings
(setdyn :a 10)
(assert (= 40 (with-dyns [:a 25 :b 15] (+ (dyn :a) (dyn :b)))) "dyn usage 1")
(assert (= 10 (dyn :a)) "dyn usage 2")
(assert (= nil (dyn :b)) "dyn usage 3")
(setdyn :a 100)
(assert (= 100 (dyn :a)) "dyn usage 4")

# Keyword arguments
(defn myfn [x y z &keys {:a a :b b :c c}]
  (+ x y z a b c))

(assert (= (+ ;(range 6)) (myfn 0 1 2 :a 3 :b 4 :c 5)) "keyword args 1")
(assert (= (+ ;(range 6)) (myfn 0 1 2 :a 1 :b 6 :c 5 :d 11)) "keyword args 2")

# Comment macro
(comment 1)
(comment 1 2)
(comment 1 2 3)
(comment 1 2 3 4)

# Parser clone
(def p (parser/new))
(assert (= 7 (parser/consume p "(1 2 3 ")) "parser 1")
(def p2 (parser/clone p))
(parser/consume p2 ") 1 ")
(parser/consume p ") 1 ")
(assert (deep= (parser/status p) (parser/status p2)) "parser 2")
(assert (deep= (parser/state p) (parser/state p2)) "parser 3")

# String check-set
(assert (string/check-set "abc" "a") "string/check-set 1")
(assert (not (string/check-set "abc" "z")) "string/check-set 2")
(assert (string/check-set "abc" "abc") "string/check-set 3")
(assert (not (string/check-set "abc" "")) "string/check-set 4")
(assert (not (string/check-set "" "aabc")) "string/check-set 5")

# Marshal and unmarshal pegs
(def p (-> "abcd" peg/compile marshal unmarshal))
(assert (peg/match p "abcd") "peg marshal 1")
(assert (peg/match p "abcdefg") "peg marshal 2")
(assert (not (peg/match p "zabcdefg")) "peg marshal 3")

# This should be valgrind clean.
(var pegi 3)
(defn marshpeg [p]
  (assert (-> p peg/compile marshal unmarshal) (string "peg marshal " (++ pegi))))
(marshpeg '(* 1 2 (set "abcd") "asdasd" (+ "." 3)))
(marshpeg '(% (* (+ 1 2 3) (* "drop" "bear") '"hi")))
(marshpeg '(> 123 "abcd"))
(marshpeg '{:main (* 1 "hello" :main)})
(marshpeg '(range "AZ"))
(marshpeg '(if-not "abcdf" 123))
(marshpeg '(error ($)))
(marshpeg '(* "abcd" (constant :hi)))
(marshpeg ~(/ "abc" ,identity))
(marshpeg '(if-not "abcdf" 123))
(marshpeg ~(cmt "abcdf" ,identity))
(marshpeg '(group "abc"))

# Module path expansion
(setdyn :current-file "some-dir/some-file")
(defn test-expand [path temp]
  (string (module/expand-path path temp)))

(assert (= (test-expand "abc" ":cur:/:all:") "some-dir/abc") "module/expand-path 1")
(assert (= (test-expand "./abc" ":cur:/:all:") "some-dir/abc") "module/expand-path 2")
(assert (= (test-expand "abc/def.txt" ":cur:/:name:") "some-dir/def.txt") "module/expand-path 3")
(assert (= (test-expand "abc/def.txt" ":cur:/:dir:/sub/:name:") "some-dir/abc/sub/def.txt") "module/expand-path 4")
(assert (= (test-expand "/abc/../def.txt" ":all:") "/def.txt") "module/expand-path 5")
(assert (= (test-expand "abc/../def.txt" ":all:") "def.txt") "module/expand-path 6")
(assert (= (test-expand "../def.txt" ":all:") "../def.txt") "module/expand-path 7")
(assert (= (test-expand "../././././abcd/../def.txt" ":all:") "../def.txt") "module/expand-path 8")

(end-suite)