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janet/test/suite-marsh.janet
Calvin Rose 43ecd4f2d8 Add fixes for marshalling weak containers - Fix #1488
Weak containers did not preserve their weakness when marshalled. This
fixes that for tables and arrays, as well as adds some tests for this.
Also exposes functions for creating weak tables in janet.h
2024-08-22 19:37:41 -05:00

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# Copyright (c) 2023 Calvin Rose
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
(import ./helper :prefix "" :exit true)
(start-suite)
# Marshal
# 98f2c6f
(def um-lookup (env-lookup (fiber/getenv (fiber/current))))
(def m-lookup (invert um-lookup))
# 0cf10946b
(defn testmarsh [x msg]
(def marshx (marshal x m-lookup))
(def out (marshal (unmarshal marshx um-lookup) m-lookup))
(assert (= (string marshx) (string out)) msg))
(testmarsh nil "marshal nil")
(testmarsh false "marshal false")
(testmarsh true "marshal true")
(testmarsh 1 "marshal small integers")
(testmarsh -1 "marshal integers (-1)")
(testmarsh 199 "marshal small integers (199)")
(testmarsh 5000 "marshal medium integers (5000)")
(testmarsh -5000 "marshal small integers (-5000)")
(testmarsh 10000 "marshal large integers (10000)")
(testmarsh -10000 "marshal large integers (-10000)")
(testmarsh 1.0 "marshal double")
(testmarsh "doctordolittle" "marshal string")
(testmarsh :chickenshwarma "marshal symbol")
(testmarsh @"oldmcdonald" "marshal buffer")
(testmarsh @[1 2 3 4 5] "marshal array")
(testmarsh [tuple 1 2 3 4 5] "marshal tuple")
(testmarsh @{1 2 3 4} "marshal table")
(testmarsh {1 2 3 4} "marshal struct")
(testmarsh (fn [x] x) "marshal function 0")
(testmarsh (fn name [x] x) "marshal function 1")
(testmarsh (fn [x] (+ 10 x 2)) "marshal function 2")
(testmarsh (fn thing [x] (+ 11 x x 30)) "marshal function 3")
(testmarsh map "marshal function 4")
(testmarsh reduce "marshal function 5")
(testmarsh (fiber/new (fn [] (yield 1) 2)) "marshal simple fiber 1")
(testmarsh (fiber/new (fn [&] (yield 1) 2)) "marshal simple fiber 2")
# issue #53 - 1147482e6
(def strct {:a @[nil]})
(put (strct :a) 0 strct)
(testmarsh strct "cyclic struct")
# More marshalling code
# issue #53 - 1147482e6
(defn check-image
"Run a marshaling test using the make-image and load-image functions."
[x msg]
(def im (make-image x))
# (printf "\nimage-hash: %d" (-> im string hash))
(assert-no-error msg (load-image im)))
(check-image (fn [] (fn [] 1)) "marshal nested functions")
(check-image (fiber/new (fn [] (fn [] 1)))
"marshal nested functions in fiber")
(check-image (fiber/new (fn [] (fiber/new (fn [] 1))))
"marshal nested fibers")
# issue #53 - f4908ebc4
(def issue-53-x
(fiber/new
(fn []
(var y (fiber/new (fn [] (print "1") (yield) (print "2")))))))
(check-image issue-53-x "issue 53 regression")
# Marshal closure over non resumable fiber
# issue #317 - 7c4ffe9b9
(do
(defn f1
[a]
(defn f1 [] (++ (a 0)))
(defn f2 [] (++ (a 0)))
(error [f1 f2]))
(def [_ tup] (protect (f1 @[0])))
(def [f1 f2] (unmarshal (marshal tup make-image-dict) load-image-dict))
(assert (= 1 (f1)) "marshal-non-resumable-closure 1")
(assert (= 2 (f2)) "marshal-non-resumable-closure 2"))
# Marshal closure over currently alive fiber
# issue #317 - 7c4ffe9b9
(do
(defn f1
[a]
(defn f1 [] (++ (a 0)))
(defn f2 [] (++ (a 0)))
(marshal [f1 f2] make-image-dict))
(def [f1 f2] (unmarshal (f1 @[0]) load-image-dict))
(assert (= 1 (f1)) "marshal-live-closure 1")
(assert (= 2 (f2)) "marshal-live-closure 2"))
(do
(var a 1)
(defn b [x] (+ a x))
(def c (unmarshal (marshal b)))
(assert (= 2 (c 1)) "marshal-on-stack-closure 1"))
# Issue #336 cases - don't segfault
# b145d4786
(assert-error "unmarshal errors 1" (unmarshal @"\xd6\xb9\xb9"))
(assert-error "unmarshal errors 2" (unmarshal @"\xd7bc"))
# 5bbd50785
(assert-error "unmarshal errors 3"
(unmarshal "\xd3\x01\xd9\x01\x62\xcf\x03\x78\x79\x7a"
load-image-dict))
# fcc610f53
(assert-error "unmarshal errors 4"
(unmarshal
@"\xD7\xCD\0e/p\x98\0\0\x03\x01\x01\x01\x02\0\0\x04\0\xCEe/p../tools
\0\0\0/afl\0\0\x01\0erate\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE\xDE
\xA8\xDE\xDE\xDE\xDE\xDE\xDE\0\0\0\xDE\xDE_unmarshal_testcase3.ja
neldb\0\0\0\xD8\x05printG\x01\0\xDE\xDE\xDE'\x03\0marshal_tes/\x02
\0\0\0\0\0*\xFE\x01\04\x02\0\0'\x03\0\r\0\r\0\r\0\r" load-image-dict))
# XXX: still needed? see 72beeeea
(gccollect)
# ev/chan marshalling
(compwhen (dyn 'ev/chan)
(def chan (ev/chan 10))
(ev/give chan chan)
(def newchan (unmarshal (marshal chan)))
(def item (ev/take newchan))
(assert (= item newchan) "ev/chan marshalling"))
# Issue #1488 - marshalling weak values
(testmarsh (array/weak 10) "marsh array/weak")
(testmarsh (table/weak-keys 10) "marsh table/weak-keys")
(testmarsh (table/weak-values 10) "marsh table/weak-values")
(testmarsh (table/weak 10) "marsh table/weak")
# Now check that gc works with weak containers after marshalling
# Turn off automatic GC for testing weak references
(gcsetinterval 0x7FFFFFFF)
# array
(def a (array/weak 1))
(array/push a @"")
(assert (= 1 (length a)) "array/weak marsh 1")
(def aclone (-> a marshal unmarshal))
(assert (= 1 (length aclone)) "array/weak marsh 2")
(gccollect)
(assert (= 1 (length aclone)) "array/weak marsh 3")
(assert (= 1 (length a)) "array/weak marsh 4")
(assert (= nil (get a 0)) "array/weak marsh 5")
(assert (= nil (get aclone 0)) "array/weak marsh 6")
(assert (deep= a aclone) "array/weak marsh 7")
# table weak keys and values
(def t (table/weak 1))
(def keep-key :key)
(def keep-value :value)
(put t :abc @"")
(put t :key :value)
(assert (= 2 (length t)) "table/weak marsh 1")
(def tclone (-> t marshal unmarshal))
(assert (= 2 (length tclone)) "table/weak marsh 2")
(gccollect)
(assert (= 1 (length tclone)) "table/weak marsh 3")
(assert (= 1 (length t)) "table/weak marsh 4")
(assert (= keep-value (get t keep-key)) "table/weak marsh 5")
(assert (= keep-value (get tclone keep-key)) "table/weak marsh 6")
(assert (deep= t tclone) "table/weak marsh 7")
# table weak keys
(def t (table/weak-keys 1))
(put t @"" keep-value)
(put t :key @"")
(assert (= 2 (length t)) "table/weak-keys marsh 1")
(def tclone (-> t marshal unmarshal))
(assert (= 2 (length tclone)) "table/weak-keys marsh 2")
(gccollect)
(assert (= 1 (length tclone)) "table/weak-keys marsh 3")
(assert (= 1 (length t)) "table/weak-keys marsh 4")
(assert (deep= t tclone) "table/weak-keys marsh 5")
# table weak values
(def t (table/weak-values 1))
(put t @"" keep-value)
(put t :key @"")
(assert (= 2 (length t)) "table/weak-values marsh 1")
(def tclone (-> t marshal unmarshal))
(assert (= 2 (length tclone)) "table/weak-values marsh 2")
(gccollect)
(assert (= 1 (length t)) "table/weak-value marsh 3")
(assert (deep= t tclone) "table/weak-values marsh 4")
# tables with prototypes
(def t (table/weak-values 1))
(table/setproto t @{:abc 123})
(put t @"" keep-value)
(put t :key @"")
(assert (= 2 (length t)) "marsh weak tables with prototypes 1")
(def tclone (-> t marshal unmarshal))
(assert (= 2 (length tclone)) "marsh weak tables with prototypes 2")
(gccollect)
(assert (= 1 (length t)) "marsh weak tables with prototypes 3")
(assert (deep= t tclone) "marsh weak tables with prototypes 4")
(assert (deep= (getproto t) (getproto tclone)) "marsh weak tables with prototypes 5")
(end-suite)