nim-chronos/tests/testsoon.nim

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# Chronos Test Suite
# (c) Copyright 2018-Present
# Status Research & Development GmbH
#
# Licensed under either of
# Apache License, version 2.0, (LICENSE-APACHEv2)
# MIT license (LICENSE-MIT)
import unittest
import ../chronos
const CallSoonTests = 10
var soonTest1 = 0'u
var timeoutsTest1 = 0
var timeoutsTest2 = 0
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var soonTest2 = 0
proc callback1(udata: pointer) {.gcsafe.} =
soonTest1 = soonTest1 xor cast[uint](udata)
proc test1(): uint =
callSoon(callback1, cast[pointer](0x12345678'u))
callSoon(callback1, cast[pointer](0x23456789'u))
callSoon(callback1, cast[pointer](0x3456789A'u))
callSoon(callback1, cast[pointer](0x456789AB'u))
callSoon(callback1, cast[pointer](0x56789ABC'u))
callSoon(callback1, cast[pointer](0x6789ABCD'u))
callSoon(callback1, cast[pointer](0x789ABCDE'u))
callSoon(callback1, cast[pointer](0x89ABCDEF'u))
callSoon(callback1, cast[pointer](0x9ABCDEF1'u))
callSoon(callback1, cast[pointer](0xABCDEF12'u))
callSoon(callback1, cast[pointer](0xBCDEF123'u))
callSoon(callback1, cast[pointer](0xCDEF1234'u))
callSoon(callback1, cast[pointer](0xDEF12345'u))
callSoon(callback1, cast[pointer](0xEF123456'u))
callSoon(callback1, cast[pointer](0xF1234567'u))
callSoon(callback1, cast[pointer](0x12345678'u))
## All callbacks must be processed exactly with 1 poll() call.
poll()
result = soonTest1
proc testProc() {.async.} =
for i in 1..CallSoonTests:
await sleepAsync(100.milliseconds)
timeoutsTest1 += 1
proc callbackProc(udata: pointer) {.gcsafe.} =
timeoutsTest2 += 1
callSoon(callbackProc)
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proc test2(timers, callbacks: var int) =
callSoon(callbackProc)
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waitFor(testProc())
timers = timeoutsTest1
callbacks = timeoutsTest2
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proc testCallback(udata: pointer) =
soonTest2 = 987654321
proc test3(): bool =
callSoon(testCallback)
poll()
result = soonTest2 == 987654321
when isMainModule:
suite "callSoon() tests suite":
test "User-defined callback argument test":
var values = [0x12345678'u, 0x23456789'u, 0x3456789A'u, 0x456789AB'u,
0x56789ABC'u, 0x6789ABCD'u, 0x789ABCDE'u, 0x89ABCDEF'u,
0x9ABCDEF1'u, 0xABCDEF12'u, 0xBCDEF123'u, 0xCDEF1234'u,
0xDEF12345'u, 0xEF123456'u, 0xF1234567'u, 0x12345678'u]
var expect = 0'u
for item in values:
expect = expect xor item
check test1() == expect
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test "`Asynchronous dead end` #7193 test":
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var timers, callbacks: int
test2(timers, callbacks)
check:
timers == CallSoonTests
callbacks > CallSoonTests * 2
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test "`callSoon() is not working prior getGlobalDispatcher()` #7192 test":
check test3() == true