Imported Upstream version 60upstream/60

1 files changed, 25 insertions, 0 deletions

diff --git a/test/interface/convert1.go b/test/interface/convert1.go
new file mode 100644
index 000000000..658b1a92f
--- /dev/null
+++ b/test/interface/convert1.go
@@ -0,0 +1,25 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2009 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.
+
+// Check that static interface conversion of
+// interface value nil succeeds.
+
+package main
+
+type R interface { R() }
+type RW interface { R(); W() }
+
+var e interface {}
+var r R
+var rw RW
+
+func main() {
+	r = r
+	r = rw
+	e = r
+	e = rw
+	rw = rw
+}