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https://github.com/janet-lang/janet
synced 2024-11-05 16:26:17 +00:00
72beeeeaaa
Lazy verification makes it easier to not leave funcenvs in an invalid state, as well as be more precise with the validation. We needed to verify the FuncEnvs actually pointed to a stack frame if they were of the "on-stack" variant. There was some minor checking before, but it was not enough to prevent func envs from pointing to memory that was off of the fiber stack, overlapping stack frames, etc.
242 lines
8.9 KiB
Plaintext
242 lines
8.9 KiB
Plaintext
# Copyright (c) 2020 Calvin Rose & contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite 8)
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###
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### Compiling brainfuck to Janet.
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###
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(def- bf-peg
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"Peg for compiling brainfuck into a Janet source ast."
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(peg/compile
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~{:+ (/ '(some "+") ,(fn [x] ~(+= (DATA POS) ,(length x))))
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:- (/ '(some "-") ,(fn [x] ~(-= (DATA POS) ,(length x))))
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:> (/ '(some ">") ,(fn [x] ~(+= POS ,(length x))))
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:< (/ '(some "<") ,(fn [x] ~(-= POS ,(length x))))
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:. (* "." (constant (prinf "%c" (get DATA POS))))
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:loop (/ (* "[" :main "]") ,(fn [& captures]
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~(while (not= (get DATA POS) 0)
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,;captures)))
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:main (any (+ :s :loop :+ :- :> :< :.)) }))
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(defn bf
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"Run brainfuck."
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[text]
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(eval
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~(let [DATA (array/new-filled 100 0)]
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(var POS 50)
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,;(peg/match bf-peg text))))
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(defn test-bf
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"Test some bf for expected output."
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[input output]
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(def b @"")
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(with-dyns [:out b]
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(bf input))
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(assert (= (string output) (string b))
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(string "bf input '"
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input
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"' failed, expected "
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(describe output)
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", got "
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(describe (string b))
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".")))
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(test-bf "++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++." "Hello World!\n")
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(test-bf ">++++++++[-<+++++++++>]<.>>+>-[+]++>++>+++[>[->+++<<+++>]<<]>-----.>->
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+++..+++.>-.<<+[>[+>+]>>]<--------------.>>.+++.------.--------.>+.>+."
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"Hello World!\n")
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(test-bf "+[+[<<<+>>>>]+<-<-<<<+<++]<<.<++.<++..+++.<<++.<---.>>.>.+++.------.>-.>>--."
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"Hello, World!")
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# Prompts and Labels
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(assert (= 10 (label a (for i 0 10 (if (= i 5) (return a 10))))) "label 1")
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(defn recur
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[lab x y]
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(when (= x y) (return lab :done))
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(def res (label newlab (recur (or lab newlab) (+ x 1) y)))
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(if lab :oops res))
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(assert (= :done (recur nil 0 10)) "label 2")
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(assert (= 10 (prompt :a (for i 0 10 (if (= i 5) (return :a 10))))) "prompt 1")
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(defn- inner-loop
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[i]
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(if (= i 5)
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(return :a 10)))
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(assert (= 10 (prompt :a (for i 0 10 (inner-loop i)))) "prompt 2")
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(defn- inner-loop2
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[i]
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(try
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(if (= i 5)
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(error 10))
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([err] (return :a err))))
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(assert (= 10 (prompt :a (for i 0 10 (inner-loop2 i)))) "prompt 3")
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# Match checks
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(assert (= :hi (match nil nil :hi)) "match 1")
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(assert (= :hi (match {:a :hi} {:a a} a)) "match 2")
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(assert (= nil (match {:a :hi} {:a a :b b} a)) "match 3")
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(assert (= nil (match [1 2] [a b c] a)) "match 4")
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(assert (= 2 (match [1 2] [a b] b)) "match 5")
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# And/or checks
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(assert (= false (and false false)) "and 1")
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(assert (= false (or false false)) "or 1")
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# #300 Regression test
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# Just don't segfault
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(assert (peg/match '{:main (replace "S" {"S" :spade})} "S7") "regression #300")
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# Test cases for #293
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(assert (= :yes (match [1 2 3] [_ a _] :yes :no)) "match wildcard 1")
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(assert (= :no (match [1 2 3] [__ a __] :yes :no)) "match wildcard 2")
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(assert (= :yes (match [1 2 [1 2 3]] [_ a [_ _ _]] :yes :no)) "match wildcard 3")
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(assert (= :yes (match [1 2 3] (_ (even? 2)) :yes :no)) "match wildcard 4")
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(assert (= :yes (match {:a 1} {:a _} :yes :no)) "match wildcard 5")
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(assert (= false (match {:a 1 :b 2 :c 3} {:a a :b _ :c _ :d _} :no {:a _ :b _ :c _} false :no)) "match wildcard 6")
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(assert (= nil (match {:a 1 :b 2 :c 3} {:a a :b _ :c _ :d _} :no {:a _ :b _ :c _} nil :no)) "match wildcard 7")
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# Regression #301
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(def b (buffer/new-filled 128 0x78))
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(assert (= 38 (length (buffer/blit @"" b -1 90))) "buffer/blit 1")
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(def a @"abcdefghijklm")
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(assert (deep= @"abcde" (buffer/blit @"" a -1 0 5)) "buffer/blit 2")
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(assert (deep= @"bcde" (buffer/blit @"" a -1 1 5)) "buffer/blit 3")
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(assert (deep= @"cde" (buffer/blit @"" a -1 2 5)) "buffer/blit 4")
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(assert (deep= @"de" (buffer/blit @"" a -1 3 5)) "buffer/blit 5")
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# chr
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(assert (= (chr "a") 97) "chr 1")
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# Detaching closure over non resumable fiber.
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(do
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(defn f1
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[a]
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(defn f1 [] (++ (a 0)))
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(defn f2 [] (++ (a 0)))
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(error [f1 f2]))
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(def [_ [f1 f2]] (protect (f1 @[0])))
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# At time of writing, mark phase can detach closure envs.
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(gccollect)
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(assert (= 1 (f1)) "detach-non-resumable-closure 1")
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(assert (= 2 (f2)) "detach-non-resumable-closure 2"))
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# Marshal closure over non resumable fiber.
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(do
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(defn f1
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[a]
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(defn f1 [] (++ (a 0)))
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(defn f2 [] (++ (a 0)))
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(error [f1 f2]))
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(def [_ tup] (protect (f1 @[0])))
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(def [f1 f2] (unmarshal (marshal tup make-image-dict) load-image-dict))
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(assert (= 1 (f1)) "marshal-non-resumable-closure 1")
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(assert (= 2 (f2)) "marshal-non-resumable-closure 2"))
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# Marshal closure over currently alive fiber.
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(do
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(defn f1
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[a]
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(defn f1 [] (++ (a 0)))
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(defn f2 [] (++ (a 0)))
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(marshal [f1 f2] make-image-dict))
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(def [f1 f2] (unmarshal (f1 @[0]) load-image-dict))
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(assert (= 1 (f1)) "marshal-live-closure 1")
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(assert (= 2 (f2)) "marshal-live-closure 2"))
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(do
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(var a 1)
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(defn b [x] (+ a x))
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(def c (unmarshal (marshal b)))
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(assert (= 2 (c 1)) "marshal-on-stack-closure 1"))
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# Reduce2
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(assert (= (reduce + 0 (range 1 10)) (reduce2 + (range 10))) "reduce2 1")
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(assert (= (reduce * 1 (range 2 10)) (reduce2 * (range 1 10))) "reduce2 2")
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(assert (= nil (reduce2 * [])) "reduce2 3")
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# Accumulate
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(assert (deep= (accumulate + 0 (range 5)) @[0 1 3 6 10]) "accumulate 1")
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(assert (deep= (accumulate2 + (range 5)) @[0 1 3 6 10]) "accumulate2 1")
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(assert (deep= @[] (accumulate2 + [])) "accumulate2 2")
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(assert (deep= @[] (accumulate 0 + [])) "accumulate 2")
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# Perm strings
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(assert (= (os/perm-int "rwxrwxrwx") 8r777) "perm 1")
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(assert (= (os/perm-int "rwxr-xr-x") 8r755) "perm 2")
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(assert (= (os/perm-int "rw-r--r--") 8r644) "perm 3")
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(assert (= (band (os/perm-int "rwxrwxrwx") 8r077) 8r077) "perm 4")
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(assert (= (band (os/perm-int "rwxr-xr-x") 8r077) 8r055) "perm 5")
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(assert (= (band (os/perm-int "rw-r--r--") 8r077) 8r044) "perm 6")
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(assert (= (os/perm-string 8r777) "rwxrwxrwx") "perm 7")
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(assert (= (os/perm-string 8r755) "rwxr-xr-x") "perm 8")
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(assert (= (os/perm-string 8r644) "rw-r--r--") "perm 9")
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# Issue #336 cases - don't segfault
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(assert-error "unmarshal errors 1" (unmarshal @"\xd6\xb9\xb9"))
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(assert-error "unmarshal errors 2" (unmarshal @"\xd7bc"))
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(assert-error "unmarshal errors 3" (unmarshal "\xd3\x01\xd9\x01\x62\xcf\x03\x78\x79\x7a" load-image-dict))
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(assert-error "unmarshal errors 4"
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(unmarshal
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@"\xD7\xCD\0e/p\x98\0\0\x03\x01\x01\x01\x02\0\0\x04\0\xCEe/p../tools
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\0\0\0/afl\0\0\x01\0erate\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE
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\xA8\xDE\xDE\xDE\xDE\xDE\xDE\0\0\0\xDE\xDE_unmarshal_testcase3.ja
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neldb\0\0\0\xD8\x05printG\x01\0\xDE\xDE\xDE'\x03\0marshal_tes/\x02
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\0\0\0\0\0*\xFE\x01\04\x02\0\0'\x03\0\r\0\r\0\r\0\r" load-image-dict))
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# No segfault, valgrind clean.
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(def x @"\xCC\xCD.nd\x80\0\r\x1C\xCDg!\0\x07\xCC\xCD\r\x1Ce\x10\0\r;\xCDb\x04\xFF9\xFF\x80\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04uu\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\0\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04}\x04\x04\x04\x04\x04\x04\x04\x04#\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\0\x01\0\0\x03\x04\x04\x04\xE2\x03\x04\x04\x04\x04\x04\x04\x04\x04\x04\x14\x1A\x04\x04\x04\x04\x04\x18\x04\x04!\x04\xE2\x03\x04\x04\x04\x04\x04\x04$\x04\x04\x04\x04\x04\x04\x04\x04\x04\x80\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04\x04A\0\0\0\x03\0\0!\xBF\xFF")
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(unmarshal x load-image-dict)
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(gccollect)
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(marshal x make-image-dict)
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(def b @"\xCC\xCD\0\x03\0\x08\x04\rm\xCD\x7F\xFF\xFF\xFF\x02\0\x02\xD7\xCD\0\x98\0\0\x05\x01\x01\x01\x01\x08\xCE\x01f\xCE../tools/afl/generate_unmarshal_testcases.janet\xCE\x012,\x01\0\0&\x03\0\06\x02\x03\x03)\x03\x01\0*\x04\0\00\x03\x04\0>\x03\0\0\x03\x03\0\0*\x05\0\x11\0\x11\0\x05\0\x05\0\x05\0\x05\0\x05\xC9\xDA\x04\xC9\xC9\xC9")
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(unmarshal b load-image-dict)
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(gccollect)
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(def v
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(unmarshal
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@"\xD7\xCD0\xD4000000\0\x03\x01\xCE\00\0\x01\0\0000\x03\0\0\0000000000\xCC0\0000"
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load-image-dict))
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(gccollect)
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(end-suite)
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