| // run | |
| // 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. | |
| // Check the text of the panic that comes from | |
| // a nil pointer passed to automatically generated method wrapper. | |
| package main | |
| import "fmt" | |
| type T int | |
| type I interface { | |
| F() | |
| } | |
| func (t T) F() {} | |
| var ( | |
| t *T | |
| i I = t | |
| ) | |
| func main() { | |
| defer func() { | |
| got := recover().(error).Error() | |
| want := "value method main.T.F called using nil *T pointer" | |
| if got != want { | |
| fmt.Printf("panicwrap error text:\n\t%q\nwant:\n\t%q\n", got, want) | |
| } | |
| }() | |
| i.F() | |
| } |