1 files changed, 60 insertions, 0 deletions
diff --git a/misc/swig/testdata/callback/main.go b/misc/swig/testdata/callback/main.go
new file mode 100644
index 0000000000..73034a0c7c
--- /dev/null
+++ b/misc/swig/testdata/callback/main.go
@@ -0,0 +1,60 @@
+// Copyright 2012 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 main
+
+import (
+	"fmt"
+	"os"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fatal("usage: callback testname")
+	}
+	switch os.Args[1] {
+	default:
+		fatal("unknown test %q", os.Args[1])
+	case "Call":
+		testCall()
+	case "Callback":
+		testCallback()
+	}
+	println("OK")
+}
+
+func fatal(f string, args ...any) {
+	fmt.Fprintln(os.Stderr, fmt.Sprintf(f, args...))
+	os.Exit(1)
+}
+
+type GoCallback struct{}
+
+func (p *GoCallback) Run() string {
+	return "GoCallback.Run"
+}
+
+func testCall() {
+	c := NewCaller()
+	cb := NewCallback()
+
+	c.SetCallback(cb)
+	s := c.Call()
+	if s != "Callback::run" {
+		fatal("unexpected string from Call: %q", s)
+	}
+	c.DelCallback()
+}
+
+func testCallback() {
+	c := NewCaller()
+	cb := NewDirectorCallback(&GoCallback{})
+	c.SetCallback(cb)
+	s := c.Call()
+	if s != "GoCallback.Run" {
+		fatal("unexpected string from Call with callback: %q", s)
+	}
+	c.DelCallback()
+	DeleteDirectorCallback(cb)
+}