From aa97c88ecb8463f9c7675cc812d7e52a381a9913 Mon Sep 17 00:00:00 2001
From: Dmitriy Vyukov <dvyukov@google.com>
Date: Tue, 9 Oct 2012 09:55:57 +0400
Subject: [PATCH] encoding/gob: add test case for issue 4214. See
 http://code.google.com/p/go/issues/detail?id=4214

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6619068
---
 src/pkg/encoding/gob/type_test.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/pkg/encoding/gob/type_test.go b/src/pkg/encoding/gob/type_test.go
index e55fba98d5..e230d22d43 100644
--- a/src/pkg/encoding/gob/type_test.go
+++ b/src/pkg/encoding/gob/type_test.go
@@ -5,6 +5,7 @@
 package gob
 
 import (
+	"bytes"
 	"reflect"
 	"testing"
 )
@@ -192,3 +193,30 @@ func TestRegistrationNaming(t *testing.T) {
 		}
 	}
 }
+
+func TestStressParallel(t *testing.T) {
+	type T2 struct{ A int }
+	c := make(chan bool)
+	const N = 10
+	for i := 0; i < N; i++ {
+		go func() {
+			p := new(T2)
+			Register(p)
+			b := new(bytes.Buffer)
+			enc := NewEncoder(b)
+			err := enc.Encode(p)
+			if err != nil {
+				t.Error("encoder fail:", err)
+			}
+			dec := NewDecoder(b)
+			err = dec.Decode(p)
+			if err != nil {
+				t.Error("decoder fail:", err)
+			}
+			c <- true
+		}()
+	}
+	for i := 0; i < N; i++ {
+		<-c
+	}
+}
-- 
2.48.1