1 files changed, 24 insertions, 0 deletions
diff --git a/libgo/go/encoding/json/stream_test.go b/libgo/go/encoding/json/stream_test.go
index 4d66f556767..07c9e1d390c 100644
--- a/libgo/go/encoding/json/stream_test.go
+++ b/libgo/go/encoding/json/stream_test.go
@@ -6,8 +6,10 @@ package json
 
 import (
 	"bytes"
+	"io/ioutil"
 	"net"
 	"reflect"
+	"strings"
 	"testing"
 )
 
@@ -83,6 +85,28 @@ func TestDecoder(t *testing.T) {
 	}
 }
 
+func TestDecoderBuffered(t *testing.T) {
+	r := strings.NewReader(`{"Name": "Gopher"} extra `)
+	var m struct {
+		Name string
+	}
+	d := NewDecoder(r)
+	err := d.Decode(&m)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if m.Name != "Gopher" {
+		t.Errorf("Name = %q; want Gopher", m.Name)
+	}
+	rest, err := ioutil.ReadAll(d.Buffered())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if g, w := string(rest), " extra "; g != w {
+		t.Errorf("Remaining = %q; want %q", g, w)
+	}
+}
+
 func nlines(s string, n int) string {
 	if n <= 0 {
 		return ""