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https://github.com/janet-lang/janet
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7366fbed1f
While not strictly needed for correctness, this discourages misuse of fibers and mixing both coroutine, error handling, and scheduling purposes.
88 lines
2.8 KiB
Janet
88 lines
2.8 KiB
Janet
# Copyright (c) 2026 Calvin Rose & contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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# Issue #1629
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(def thread-channel (ev/thread-chan 100))
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(def super (ev/thread-chan 10))
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(defn worker []
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(while true
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(def item (ev/take thread-channel))
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(when (= item :deadline)
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(ev/deadline 0.1 nil (fiber/current) true))))
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(ev/thread worker nil :n super)
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(ev/give thread-channel :item)
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(ev/sleep 0.05)
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(ev/give thread-channel :item)
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(ev/sleep 0.05)
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(ev/give thread-channel :deadline)
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(ev/sleep 0.05)
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(ev/give thread-channel :item)
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(ev/sleep 0.05)
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(ev/give thread-channel :item)
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(ev/sleep 0.15)
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(assert (deep= '(:error "deadline expired" nil) (ev/take super)) "deadline expirataion")
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# Another variant
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(def thread-channel (ev/thread-chan 100))
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(def super (ev/thread-chan 10))
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(defn worker []
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(while true
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(def item (ev/take thread-channel))
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(when (= item :deadline)
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(ev/deadline 0.1))))
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(ev/thread worker nil :n super)
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(ev/give thread-channel :deadline)
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(ev/sleep 0.2)
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(assert (deep= '(:error "deadline expired" nil) (ev/take super)) "deadline expirataion")
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# Issue #1705 - ev select
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(def supervisor (ev/chan 10))
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(def ch (ev/chan))
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(def ch2 (ev/chan))
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(ev/go |(do
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(ev/select ch ch2)
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(:close ch)
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"close ch...")
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nil supervisor)
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(ev/go |(do
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(ev/sleep 0.05)
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(:close ch2)
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"close ch2...")
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nil supervisor)
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(assert (let [[status] (ev/take supervisor)] (= status :ok)) "status 1 ev/select")
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(assert (let [[status] (ev/take supervisor)] (= status :ok)) "status 2 ev/select")
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(ev/sleep 0.1) # can we do better?
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(assert (= 0 (ev/count supervisor)) "empty supervisor")
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# Issue #1707
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(def f (coro (repeat 10 (yield 1))))
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(resume f)
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(assert-error "cannot schedule non-new fiber"
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(ev/go f))
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(end-suite)
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