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# Copyright (c) 2026 Calvin Rose & contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
(import ./helper :prefix "" :exit true)
(start-suite)
# Issue #1629
(def thread-channel (ev/thread-chan 100))
(def super (ev/thread-chan 10))
(defn worker []
(while true
(def item (ev/take thread-channel))
(when (= item :deadline)
(ev/deadline 0.1 nil (fiber/current) true))))
(ev/thread worker nil :n super)
(ev/give thread-channel :item)
(ev/sleep 0.05)
(ev/give thread-channel :item)
(ev/sleep 0.05)
(ev/give thread-channel :deadline)
(ev/sleep 0.05)
(ev/give thread-channel :item)
(ev/sleep 0.05)
(ev/give thread-channel :item)
(ev/sleep 0.15)
(assert (deep= '(:error "deadline expired" nil) (ev/take super)) "deadline expirataion")
# Another variant
(def thread-channel (ev/thread-chan 100))
(def super (ev/thread-chan 10))
(defn worker []
(while true
(def item (ev/take thread-channel))
(when (= item :deadline)
(ev/deadline 0.1))))
(ev/thread worker nil :n super)
(ev/give thread-channel :deadline)
(ev/sleep 0.2)
(assert (deep= '(:error "deadline expired" nil) (ev/take super)) "deadline expirataion")
# Issue #1705 - ev select
(def supervisor (ev/chan 10))
(def ch (ev/chan))
(def ch2 (ev/chan))
(ev/go |(do
(ev/select ch ch2)
(:close ch)
"close ch...")
nil supervisor)
(ev/go |(do
(ev/sleep 0.05)
(:close ch2)
"close ch2...")
nil supervisor)
(assert (let [[status] (ev/take supervisor)] (= status :ok)) "status 1 ev/select")
(assert (let [[status] (ev/take supervisor)] (= status :ok)) "status 2 ev/select")
(ev/sleep 0.1) # can we do better?
(assert (= 0 (ev/count supervisor)) "empty supervisor")
# Issue #1707
(def f (coro (repeat 10 (yield 1))))
(resume f)
(assert-error "cannot schedule non-new fiber"
(ev/go f))
# IO file copying
(os/mkdir "tmp")
(def f-original (file/open "tmp/out.txt" :wb))
(xprin f-original "hello\n")
(file/flush f-original)
(ev/do-thread
# Closes a COPY of the original file, otherwise we get a user-after-close file descriptor
(:close f-original))
(def g-original (file/open "tmp/out2.txt" :wb))
(xprin g-original "world1\n")
(xprin f-original "world2\n")
(:close f-original)
(xprin g-original "abc\n")
(:close g-original)
(assert (deep= @"hello\nworld2\n" (slurp "tmp/out.txt")) "file threading 1")
(assert (deep= @"world1\nabc\n" (slurp "tmp/out2.txt")) "file threading 2")
(end-suite)
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