80 lines
1.6 KiB
V
80 lines
1.6 KiB
V
import sync
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fn do_rec(mut ch sync.Channel, mut resch sync.Channel) {
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mut sum := i64(0)
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for {
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mut a := 0
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if !ch.pop(&a) {
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break
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}
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sum += a
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}
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println(sum)
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resch.push(&sum)
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}
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fn do_send(mut ch sync.Channel) {
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for i in 0 .. 8000 {
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ch.push(&i)
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}
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ch.close()
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}
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fn test_channel_close_buffered_multi() {
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mut ch := sync.new_channel<int>(0)
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mut resch := sync.new_channel<i64>(100)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_send(mut ch)
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mut sum := i64(0)
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for _ in 0 .. 4 {
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mut r := i64(0)
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resch.pop(&r)
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sum += r
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}
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assert sum == i64(8000) * (8000 - 1) / 2
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}
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fn test_channel_close_unbuffered_multi() {
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mut ch := sync.new_channel<int>(0)
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mut resch := sync.new_channel<i64>(100)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_rec(mut ch, mut resch)
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go do_send(mut ch)
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mut sum := i64(0)
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for _ in 0 .. 4 {
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mut r := i64(0)
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resch.pop(&r)
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sum += r
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}
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assert sum == i64(8000) * (8000 - 1) / 2
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}
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fn test_channel_close_buffered() {
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mut ch := sync.new_channel<int>(0)
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mut resch := sync.new_channel<i64>(100)
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go do_rec(mut ch, mut resch)
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go do_send(mut ch)
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mut sum := i64(0)
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mut r := i64(0)
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resch.pop(&r)
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sum += r
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assert sum == i64(8000) * (8000 - 1) / 2
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}
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fn test_channel_close_unbuffered() {
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mut ch := sync.new_channel<int>(0)
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mut resch := sync.new_channel<i64>(100)
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go do_rec(mut ch, mut resch)
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go do_send(mut ch)
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mut sum := i64(0)
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mut r := i64(0)
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resch.pop(&r)
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sum += r
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assert sum == i64(8000) * (8000 - 1) / 2
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}
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