From 981093d53c9da28849a494ed5ecd471c0e1953e5 Mon Sep 17 00:00:00 2001
From: lzhfromustc <lzhfromustc@gmail.com>
Date: Wed, 9 Dec 2020 22:46:50 -0500
Subject: [PATCH] test: add buffer to a channel to avoid the goroutine leak

---
 db_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db_test.go b/db_test.go
index 9b03f2f..79a8de8 100644
--- a/db_test.go
+++ b/db_test.go
@@ -1122,7 +1122,7 @@ func TestDB_Batch(t *testing.T) {
 
 	// Iterate over multiple updates in separate goroutines.
 	n := 2
-	ch := make(chan error)
+	ch := make(chan error, n)
 	for i := 0; i < n; i++ {
 		go func(i int) {
 			ch <- db.Batch(func(tx *bolt.Tx) error {