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module sync
import time
fn test_waitgroup_reuse() {
mut wg := new_waitgroup()
wg.add(1)
wg.done()
wg.add(1)
mut executed := false
go fn (mut wg WaitGroup, executed voidptr) {
defer {
wg.done()
}
unsafe {
*(&bool(executed)) = true
}
time.sleep(100 * time.millisecond)
assert wg.wait_count == 1
}(mut wg, voidptr(&executed))
wg.wait()
assert executed
assert wg.wait_count == 0
}
fn test_waitgroup_no_use() {
mut done := false
go fn (done voidptr) {
time.sleep(1 * time.second)
if *(&bool(done)) == false {
panic('test_waitgroup_no_use did not complete in time')
}
}(voidptr(&done))
mut wg := new_waitgroup()
wg.wait()
done = true
}
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