fail fast when rolling window size is zero

2020-10-15 11:40:31 +08:00
parent 6f49639f80
commit c824e9e118
3 changed files with 11 additions and 21 deletions
--- a/core/collection/rollingwindow.go
+++ b/core/collection/rollingwindow.go
@@ -22,6 +22,10 @@ type (
 )

 func NewRollingWindow(size int, interval time.Duration, opts ...RollingWindowOption) *RollingWindow {
+	if size < 1 {
+		panic("size must be greater than 0")
+	}
+
 	w := &RollingWindow{
 		size:     size,
 		win:      newWindow(size),