355 lines
9.4 KiB
Nim
355 lines
9.4 KiB
Nim
# Chronos Test Suite
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# (c) Copyright 2018-Present
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# Status Research & Development GmbH
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#
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# Licensed under either of
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# Apache License, version 2.0, (LICENSE-APACHEv2)
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# MIT license (LICENSE-MIT)
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import unittest2
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import ../chronos
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when defined(nimHasUsed): {.used.}
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suite "Asynchronous sync primitives test suite":
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var testLockResult {.threadvar.}: string
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var testEventResult {.threadvar.}: string
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var testQueue1Result = 0
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var testQueue2Result = 0
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var testQueue3Result = 0
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proc testLock(n: int, lock: AsyncLock) {.async.} =
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await lock.acquire()
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testLockResult = testLockResult & $n
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lock.release()
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proc test1(): string =
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var lock = newAsyncLock()
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waitFor lock.acquire()
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discard testLock(0, lock)
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discard testLock(1, lock)
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discard testLock(2, lock)
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discard testLock(3, lock)
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discard testLock(4, lock)
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discard testLock(5, lock)
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discard testLock(6, lock)
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discard testLock(7, lock)
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discard testLock(8, lock)
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discard testLock(9, lock)
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lock.release()
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## There must be exactly 20 poll() calls
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for i in 0..<20:
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poll()
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result = testLockResult
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proc testFlag(): Future[bool] {.async.} =
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var lock = newAsyncLock()
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var futs: array[4, Future[void]]
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futs[0] = lock.acquire()
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futs[1] = lock.acquire()
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futs[2] = lock.acquire()
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futs[3] = lock.acquire()
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proc checkFlags(b0, b1, b2, b3, b4: bool): bool =
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(lock.locked == b0) and
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(futs[0].finished == b1) and (futs[1].finished == b2) and
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(futs[2].finished == b3) and (futs[3].finished == b4)
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if not(checkFlags(true, true, false, false ,false)):
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return false
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lock.release()
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if not(checkFlags(true, true, false, false, false)):
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return false
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await sleepAsync(10.milliseconds)
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if not(checkFlags(true, true, true, false, false)):
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return false
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lock.release()
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if not(checkFlags(true, true, true, false, false)):
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return false
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await sleepAsync(10.milliseconds)
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if not(checkFlags(true, true, true, true, false)):
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return false
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lock.release()
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if not(checkFlags(true, true, true, true, false)):
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return false
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await sleepAsync(10.milliseconds)
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if not(checkFlags(true, true, true, true, true)):
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return false
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lock.release()
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if not(checkFlags(false, true, true, true, true)):
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return false
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await sleepAsync(10.milliseconds)
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if not(checkFlags(false, true, true, true, true)):
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return false
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return true
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proc testNoAcquiredRelease(): Future[bool] {.async.} =
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var lock = newAsyncLock()
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var res = false
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try:
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lock.release()
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except AsyncLockError:
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res = true
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return res
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proc testDoubleRelease(): Future[bool] {.async.} =
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var lock = newAsyncLock()
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var fut0 = lock.acquire()
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var fut1 = lock.acquire()
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var res = false
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asyncSpawn fut0
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asyncSpawn fut1
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lock.release()
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try:
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lock.release()
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except AsyncLockError:
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res = true
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return res
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proc testBehaviorLock(n1, n2, n3: Duration): Future[seq[int]] {.async.} =
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var stripe: seq[int]
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proc task(lock: AsyncLock, n: int, timeout: Duration) {.async.} =
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await lock.acquire()
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stripe.add(n * 10)
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await sleepAsync(timeout)
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lock.release()
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await lock.acquire()
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stripe.add(n * 10 + 1)
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await sleepAsync(timeout)
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lock.release()
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var lock = newAsyncLock()
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var fut1 = task(lock, 1, n1)
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var fut2 = task(lock, 2, n2)
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var fut3 = task(lock, 3, n3)
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await allFutures(fut1, fut2, fut3)
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result = stripe
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proc testCancelLock(n1, n2, n3: Duration,
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cancelIndex: int): Future[seq[int]] {.async.} =
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var stripe: seq[int]
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proc task(lock: AsyncLock, n: int, timeout: Duration) {.async.} =
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await lock.acquire()
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stripe.add(n * 10)
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await sleepAsync(timeout)
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lock.release()
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await lock.acquire()
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stripe.add(n * 10 + 1)
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await sleepAsync(timeout)
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lock.release()
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var lock = newAsyncLock()
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var fut1 = task(lock, 1, n1)
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var fut2 = task(lock, 2, n2)
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var fut3 = task(lock, 3, n3)
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if cancelIndex == 2:
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fut2.cancel()
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else:
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fut3.cancel()
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await allFutures(fut1, fut2, fut3)
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result = stripe
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proc testEvent(n: int, ev: AsyncEvent) {.async.} =
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await ev.wait()
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testEventResult = testEventResult & $n
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proc test2(): string =
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var event = newAsyncEvent()
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event.clear()
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discard testEvent(0, event)
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discard testEvent(1, event)
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discard testEvent(2, event)
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discard testEvent(3, event)
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discard testEvent(4, event)
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discard testEvent(5, event)
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discard testEvent(6, event)
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discard testEvent(7, event)
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discard testEvent(8, event)
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discard testEvent(9, event)
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event.fire()
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## There must be exactly 1 poll() call
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poll()
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result = testEventResult
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proc task1(aq: AsyncQueue[int]) {.async.} =
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var item1 = await aq.get()
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var item2 = await aq.get()
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testQueue1Result = item1 + item2
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proc task2(aq: AsyncQueue[int]) {.async.} =
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await aq.put(1000)
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await aq.put(2000)
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proc test3(): int =
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var queue = newAsyncQueue[int](1)
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discard task1(queue)
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discard task2(queue)
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## There must be exactly 2 poll() calls
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poll()
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poll()
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result = testQueue1Result
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const testsCount = 1000
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const queueSize = 10
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proc task3(aq: AsyncQueue[int]) {.async.} =
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for i in 1..testsCount:
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var item = await aq.get()
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testQueue2Result -= item
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proc task4(aq: AsyncQueue[int]) {.async.} =
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for i in 1..testsCount:
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await aq.put(i)
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testQueue2Result += i
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proc test4(): int =
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var queue = newAsyncQueue[int](queueSize)
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waitFor(allFutures(task3(queue), task4(queue)))
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result = testQueue2Result
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proc task51(aq: AsyncQueue[int]) {.async.} =
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var item1 = await aq.popFirst()
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var item2 = await aq.popLast()
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var item3 = await aq.get()
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testQueue3Result = item1 - item2 + item3
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proc task52(aq: AsyncQueue[int]) {.async.} =
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await aq.put(100)
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await aq.addLast(1000)
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await aq.addFirst(2000)
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proc test5(): int =
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var queue = newAsyncQueue[int](3)
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discard task51(queue)
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discard task52(queue)
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poll()
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poll()
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result = testQueue3Result
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proc test6(): bool =
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var queue = newAsyncQueue[int]()
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queue.putNoWait(1)
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queue.putNoWait(2)
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queue.putNoWait(3)
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queue.putNoWait(4)
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queue.putNoWait(5)
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queue.clear()
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result = (len(queue) == 0)
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proc test7(): bool =
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var queue = newAsyncQueue[int]()
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var arr1 = @[1, 2, 3, 4, 5]
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var arr2 = @[2, 2, 2, 2, 2]
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var arr3 = @[1, 2, 3, 4, 5]
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queue.putNoWait(1)
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queue.putNoWait(2)
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queue.putNoWait(3)
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queue.putNoWait(4)
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queue.putNoWait(5)
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var index = 0
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for item in queue.items():
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result = (item == arr1[index])
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inc(index)
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if not result: return
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queue[0] = 2
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result = (queue[0] == 2)
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if not result: return
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for item in queue.mitems():
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item = 2
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index = 0
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for item in queue.items():
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result = (item == arr2[index])
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inc(index)
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if not result: return
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queue[0] = 1
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queue[1] = 2
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queue[2] = 3
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queue[3] = 4
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queue[^1] = 5
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for i, item in queue.pairs():
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result = (item == arr3[i])
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proc test8(): bool =
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var q0 = newAsyncQueue[int]()
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q0.putNoWait(1)
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q0.putNoWait(2)
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q0.putNoWait(3)
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q0.putNoWait(4)
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q0.putNoWait(5)
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result = ($q0 == "[1, 2, 3, 4, 5]")
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if not result: return
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var q1 = newAsyncQueue[string]()
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q1.putNoWait("1")
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q1.putNoWait("2")
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q1.putNoWait("3")
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q1.putNoWait("4")
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q1.putNoWait("5")
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result = ($q1 == "[\"1\", \"2\", \"3\", \"4\", \"5\"]")
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proc test9(): bool =
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var q = newAsyncQueue[int]()
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q.putNoWait(1)
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q.putNoWait(2)
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q.putNoWait(3)
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q.putNoWait(4)
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q.putNoWait(5)
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result = (5 in q and not(6 in q))
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test "AsyncLock() behavior test":
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check:
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test1() == "0123456789"
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waitFor(testBehaviorLock(10.milliseconds,
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20.milliseconds,
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50.milliseconds)) == @[10, 20, 30, 11, 21, 31]
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waitFor(testBehaviorLock(50.milliseconds,
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20.milliseconds,
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10.milliseconds)) == @[10, 20, 30, 11, 21, 31]
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test "AsyncLock() cancellation test":
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check:
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waitFor(testCancelLock(10.milliseconds,
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20.milliseconds,
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50.milliseconds, 2)) == @[10, 30, 11, 31]
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waitFor(testCancelLock(50.milliseconds,
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20.milliseconds,
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10.milliseconds, 3)) == @[10, 20, 11, 21]
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test "AsyncLock() flag consistency test":
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check waitFor(testFlag()) == true
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test "AsyncLock() double release test":
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check waitFor(testDoubleRelease()) == true
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test "AsyncLock() non-acquired release test":
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check waitFor(testNoAcquiredRelease()) == true
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test "AsyncEvent() behavior test":
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check test2() == "0123456789"
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test "AsyncQueue() behavior test":
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check test3() == 3000
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test "AsyncQueue() many iterations test":
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check test4() == 0
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test "AsyncQueue() addLast/addFirst/popLast/popFirst test":
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check test5() == 1100
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test "AsyncQueue() clear test":
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check test6() == true
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test "AsyncQueue() iterators/assignments test":
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check test7() == true
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test "AsyncQueue() representation test":
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check test8() == true
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test "AsyncQueue() contains test":
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check test9() == true
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