apatheia/tests/exampleGcFailures/exNoFailurePtrSeqSeq.nim
Jaremy Creechley 1156b0b63a updates
2024-03-19 14:01:43 +02:00

61 lines
1.5 KiB
Nim

import std/os
import std/sequtils
import chronos
import chronos/threadsync
import chronos/unittest2/asynctests
import taskpools
## create a probablistically likely failure of
## using sequence memory from another thread
## with refc.
##
## However, unlike `exFailure.nim`, this can take
## a while to run.
##
## It may not always produce an error either, but
## generally does so in a few seconds of running.
##
proc worker(data: ptr seq[seq[char]], sig: ThreadSignalPtr) =
# os.sleep(100)
echo "running worker: "
echo "worker: ", data.pointer.repr
echo "worker: ", data[]
# for i, d in data:
# for j, c in d:
# data[i][j] = char(c.uint8 + 10)
GC_fullCollect()
discard sig.fireSync()
proc runTest(tp: TaskPool, sig: ThreadSignalPtr, i: int) {.async.} =
## init
# await sleepAsync(10.milliseconds)
var obj1 = ("hello world! " & $i).toSeq()
var obj2 = "goodbye denver!".toSeq()
var data = @[obj1, obj2]
# echo "spawn worker"
tp.spawn worker(addr data, sig)
await wait(sig)
echo "data: ", data.addr.pointer.repr
echo "data: ", data
echo ""
proc runTests(tp: TaskPool, sig: ThreadSignalPtr) {.async.} =
var futs = newSeq[Future[void]]()
for i in 1..1:
let f = runTest(tp, sig, i)
# futs.add f
await f
GC_fullCollect()
await allFutures(futs)
suite "async tests":
var tp = Taskpool.new(num_threads = 4) # Default to the number of hardware threads.
let sig = ThreadSignalPtr.new().get()
asyncTest "test":
await runTests(tp, sig)
# os.sleep(10_000)