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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/sync/channel_close_test.v
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Adds most of the toolsHEADmaster
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.v104
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()
+}