nim-chronos/tests/testsoon.nim

94 lines
2.9 KiB
Nim

# 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 unittest2
import ../chronos
{.used.}
suite "callSoon() tests suite":
test "User-defined callback argument test":
proc test(): bool =
var soonTest = 0'u
proc callback(udata: pointer) {.gcsafe.} =
soonTest = soonTest xor cast[uint](udata)
callSoon(callback, cast[pointer](0x12345678'u))
callSoon(callback, cast[pointer](0x23456789'u))
callSoon(callback, cast[pointer](0x3456789A'u))
callSoon(callback, cast[pointer](0x456789AB'u))
callSoon(callback, cast[pointer](0x56789ABC'u))
callSoon(callback, cast[pointer](0x6789ABCD'u))
callSoon(callback, cast[pointer](0x789ABCDE'u))
callSoon(callback, cast[pointer](0x89ABCDEF'u))
callSoon(callback, cast[pointer](0x9ABCDEF1'u))
callSoon(callback, cast[pointer](0xABCDEF12'u))
callSoon(callback, cast[pointer](0xBCDEF123'u))
callSoon(callback, cast[pointer](0xCDEF1234'u))
callSoon(callback, cast[pointer](0xDEF12345'u))
callSoon(callback, cast[pointer](0xEF123456'u))
callSoon(callback, cast[pointer](0xF1234567'u))
callSoon(callback, cast[pointer](0x12345678'u))
## All callbacks must be processed exactly with 1 poll() call.
poll()
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
soonTest == expect
check test() == true
test "`Asynchronous dead end` #7193 test":
const CallSoonTests = 5
proc test() =
var
timeoutsTest1 = 0
timeoutsTest2 = 0
stopFlag = false
var callbackproc: proc(udata: pointer) {.gcsafe, raises: [].}
callbackproc = proc (udata: pointer) {.gcsafe, raises: [].} =
timeoutsTest2 += 1
if not(stopFlag):
callSoon(callbackproc)
proc testProc() {.async.} =
for i in 1 .. CallSoonTests:
await sleepAsync(10.milliseconds)
timeoutsTest1 += 1
callSoon(callbackproc)
waitFor(testProc())
stopFlag = true
poll()
check:
timeoutsTest1 == CallSoonTests
timeoutsTest2 > CallSoonTests * 2
test()
test "`callSoon() is not working prior getGlobalDispatcher()` #7192 test":
proc test(): bool =
var soonTest = 0
proc testCallback(udata: pointer) =
soonTest = 987654321
callSoon(testCallback)
poll()
soonTest == 987654321
check test() == true