33 lines
534 B
V
33 lines
534 B
V
fn do_rec(ch chan int, resch chan i64) {
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mut sum := i64(0)
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for _ in 0 .. 2000 {
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sum += <-ch
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}
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println(sum)
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resch <- sum
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}
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fn do_send(ch chan int) {
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for i in 0 .. 2000 {
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ch <- i
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}
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}
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fn test_channel_multi_buffered() {
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ch := chan int{cap: 100}
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resch := chan i64{}
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go do_rec(ch, resch)
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go do_rec(ch, resch)
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go do_rec(ch, resch)
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go do_rec(ch, resch)
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go do_send(ch)
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go do_send(ch)
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go do_send(ch)
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go do_send(ch)
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mut sum := i64(0)
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for _ in 0 .. 4 {
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sum += <-resch
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}
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assert sum == i64(4) * 2000 * (2000 - 1) / 2
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}
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