apatheia/tests/exampleGcFailures/exNoFailureNoGcCollectSeq.nim
Jaremy Creechley bc4d8d3095 updates
2024-03-20 13:46:53 +02:00

58 lines
1.3 KiB
Nim

import std/os
import chronos
import chronos/threadsync
import chronos/unittest2/asynctests
import taskpools
type
Seq*[T] = object
data*: ptr UncheckedArray[T]
size*: int
DataObj = ref object
mockSeq: Seq[char]
proc worker(data: seq[char], sig: ThreadSignalPtr) =
os.sleep(4_000)
echo "running worker: "
echo "worker: ", data
discard sig.fireSync()
proc finalizer(obj: DataObj) =
echo "finalize DataObj and freeing mockSeq"
obj.mockSeq.data.dealloc()
obj.mockSeq.data = nil
proc initMockSeq(msg: string): Seq[char] =
result.data = cast[ptr UncheckedArray[char]](alloc0(13))
for i, c in msg:
result.data[i] = c
result.size = 12
proc runTest(tp: TaskPool, sig: ThreadSignalPtr) {.async.} =
## init
var obj = @"hello world!"
echo "spawn worker"
tp.spawn worker(obj, sig)
## adding fut.wait(100.milliseconds) creates memory issue
await wait(sig).wait(100.milliseconds)
## just doing the wait is fine:
# await wait(sig)
proc runTests(tp: TaskPool, sig: ThreadSignalPtr) {.async.} =
for i in 1..2_000:
try:
await runTest(tp, sig)
os.sleep(200)
except AsyncTimeoutError:
echo "looping..."
suite "async tests":
var tp = Taskpool.new(num_threads = 2) # Default to the number of hardware threads.
let sig = ThreadSignalPtr.new().get()
asyncTest "test":
await runTests(tp, sig)