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-rw-r--r--test/fixedbugs/issue19555.go36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/fixedbugs/issue19555.go b/test/fixedbugs/issue19555.go
new file mode 100644
index 0000000..53b2ebd
--- /dev/null
+++ b/test/fixedbugs/issue19555.go
@@ -0,0 +1,36 @@
+// compile
+
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package p
+
+type NodeLink struct{}
+
+// A role our end of NodeLink is intended to play
+type LinkRole int64
+
+const (
+ LinkServer LinkRole = iota // link created as server
+ LinkClient // link created as client
+
+ // for testing:
+ linkNoRecvSend LinkRole = 1 << 16 // do not spawn serveRecv & serveSend
+ linkFlagsMask LinkRole = (1<<32 - 1) << 16
+)
+
+func NewNodeLink(role LinkRole) *NodeLink {
+ var nextConnId uint32
+ switch role &^ linkFlagsMask {
+ case LinkServer:
+ nextConnId = 0 // all initiated by us connId will be even
+ case LinkClient:
+ nextConnId = 1 // ----//---- odd
+ default:
+ panic("invalid conn role")
+ }
+
+ _ = nextConnId
+ return nil
+}