diff options
Diffstat (limited to 'v_windows/v/old/vlib/sync/channel_4_test.v')
-rw-r--r-- | v_windows/v/old/vlib/sync/channel_4_test.v | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/sync/channel_4_test.v b/v_windows/v/old/vlib/sync/channel_4_test.v new file mode 100644 index 0000000..3792668 --- /dev/null +++ b/v_windows/v/old/vlib/sync/channel_4_test.v @@ -0,0 +1,32 @@ +fn do_rec(ch chan int, resch chan i64) { + mut sum := i64(0) + for _ in 0 .. 2000 { + sum += <-ch + } + println(sum) + resch <- sum +} + +fn do_send(ch chan int) { + for i in 0 .. 2000 { + ch <- i + } +} + +fn test_channel_multi_buffered() { + ch := chan int{cap: 100} + resch := chan i64{} + go do_rec(ch, resch) + go do_rec(ch, resch) + go do_rec(ch, resch) + go do_rec(ch, resch) + go do_send(ch) + go do_send(ch) + go do_send(ch) + go do_send(ch) + mut sum := i64(0) + for _ in 0 .. 4 { + sum += <-resch + } + assert sum == i64(4) * 2000 * (2000 - 1) / 2 +} |