| // Copyright 2023 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. | |
| // Issue 62430: a program that uses plugins may appear | |
| // to have no references to an initialized global map variable defined | |
| // in some stdlib package (ex: unicode), however there | |
| // may be references to that map var from a plugin that | |
| // gets loaded. | |
| package main | |
| import ( | |
| "fmt" | |
| "plugin" | |
| "unicode" | |
| ) | |
| func main() { | |
| p, err := plugin.Open("issue62430.so") | |
| if err != nil { | |
| panic(err) | |
| } | |
| s, err := p.Lookup("F") | |
| if err != nil { | |
| panic(err) | |
| } | |
| f := s.(func(string) *unicode.RangeTable) | |
| if f("C") == nil { | |
| panic("unicode.Categories not properly initialized") | |
| } else { | |
| fmt.Println("unicode.Categories properly initialized") | |
| } | |
| } | |