1 // run 2 3 // Copyright 2016 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 package main 8 9 var out int 10 var zero int 11 12 func main() { 13 wantPanic("test1", func() { 14 out = 1 / zero 15 }) 16 wantPanic("test2", func() { 17 _ = 1 / zero 18 }) 19 wantPanic("test3", func() { 20 v := 0 21 _ = 1 / v 22 }) 23 wantPanic("test4", func() { divby(0) }) 24 } 25 26 func wantPanic(test string, fn func()) { 27 defer func() { 28 if e := recover(); e == nil { 29 panic(test + ": expected panic") 30 } 31 }() 32 fn() 33 } 34 35 //go:noinline 36 func divby(v int) { 37 _ = 1 / v 38 } 39
