1 // run 2 3 // Copyright 2017 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Check the text of the panic that comes from 8 // a nil pointer passed to automatically generated method wrapper. 9 10 package main 11 12 import "fmt" 13 14 type T int 15 16 type I interface { 17 F() 18 } 19 20 func (t T) F() {} 21 22 var ( 23 t *T 24 i I = t 25 ) 26 27 func main() { 28 defer func() { 29 got := recover().(error).Error() 30 want := "value method main.T.F called using nil *T pointer" 31 if got != want { 32 fmt.Printf("panicwrap error text:\n\t%q\nwant:\n\t%q\n", got, want) 33 } 34 }() 35 i.F() 36 } 37
