Merge branch '8784-dir-listings'

[arvados.git] / sdk / go / streamer / streamer_test.go

diff --git a/sdk/go/streamer/streamer_test.go b/sdk/go/streamer/streamer_test.go
index 80aeb268975d8acbc7f7d1c2e771c17e7adfa719..f8ddbf5a4cc824a19148c5e034604f4cbeef168f 100644 (file)
--- a/sdk/go/streamer/streamer_test.go
+++ b/sdk/go/streamer/streamer_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
 package streamer
 
 import (
@@ -365,3 +369,13 @@ func (s *StandaloneSuite) TestManyReaders(c *C) {
        writer.Write([]byte("baz"))
        writer.Close()
 }
+
+func (s *StandaloneSuite) TestMultipleCloseNoPanic(c *C) {
+       buffer := make([]byte, 100)
+       tr := AsyncStreamFromSlice(buffer)
+       sr := tr.MakeStreamReader()
+       c.Check(sr.Close(), IsNil)
+       c.Check(sr.Close(), Equals, ErrAlreadyClosed)
+       c.Check(tr.Close(), IsNil)
+       c.Check(tr.Close(), Equals, ErrAlreadyClosed)
+}