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// 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)
}
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