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author | Indrajith K L | 2022-12-03 17:00:20 +0530 |
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committer | Indrajith K L | 2022-12-03 17:00:20 +0530 |
commit | f5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch) | |
tree | 2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/sync/channel_close_test.v | |
download | cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.tar.gz cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.tar.bz2 cli-tools-windows-f5c4671bfbad96bf346bd7e9a21fc4317b4959df.zip |
Diffstat (limited to 'v_windows/v/old/vlib/sync/channel_close_test.v')
-rw-r--r-- | v_windows/v/old/vlib/sync/channel_close_test.v | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/sync/channel_close_test.v b/v_windows/v/old/vlib/sync/channel_close_test.v new file mode 100644 index 0000000..a31bfa9 --- /dev/null +++ b/v_windows/v/old/vlib/sync/channel_close_test.v @@ -0,0 +1,104 @@ +import time + +fn do_rec(ch chan int, resch chan i64) { + mut sum := i64(0) + for { + a := <-ch or { break } + sum += a + } + assert ch.closed == true + println(sum) + resch <- sum +} + +fn do_send(ch chan int) { + for i in 0 .. 8000 { + ch <- i + } + assert ch.closed == false + ch.close() + assert ch.closed == true +} + +fn test_channel_close_buffered_multi() { + ch := chan int{cap: 10} + 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) + mut sum := i64(0) + for _ in 0 .. 4 { + sum += <-resch + } + assert sum == i64(8000) * (8000 - 1) / 2 +} + +fn test_channel_close_unbuffered_multi() { + ch := chan int{} + 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) + mut sum := i64(0) + for _ in 0 .. 4 { + sum += <-resch + } + assert sum == i64(8000) * (8000 - 1) / 2 +} + +fn test_channel_close_buffered() { + ch := chan int{cap: 100} + resch := chan i64{} + go do_rec(ch, resch) + go do_send(ch) + mut sum := i64(0) + sum += <-resch + assert sum == i64(8000) * (8000 - 1) / 2 +} + +fn test_channel_close_unbuffered() { + ch := chan int{} + resch := chan i64{cap: 100} + go do_rec(ch, resch) + go do_send(ch) + mut sum := i64(0) + sum += <-resch + assert sum == i64(8000) * (8000 - 1) / 2 +} + +fn test_channel_send_close_buffered() { + ch := chan int{cap: 1} + t := go fn (ch chan int) { + ch <- 31 + mut x := 45 + ch <- 17 or { x = -133 } + + assert x == -133 + }(ch) + time.sleep(100 * time.millisecond) + ch.close() + mut r := <-ch + r = <-ch or { 23 } + assert r == 23 + t.wait() +} + +fn test_channel_send_close_unbuffered() { + time.sleep(1 * time.second) + ch := chan int{} + t := go fn (ch chan int) { + mut x := 31 + ch <- 177 or { x = -71 } + + assert x == -71 + }(ch) + time.sleep(100 * time.millisecond) + ch.close() + r := <-ch or { 238 } + assert r == 238 + t.wait() +} |