| // run |
| |
| // Copyright 2016 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 |
| |
| var out int |
| var zero int |
| |
| func main() { |
| wantPanic("test1", func() { |
| out = 1 / zero |
| }) |
| wantPanic("test2", func() { |
| _ = 1 / zero |
| }) |
| wantPanic("test3", func() { |
| v := 0 |
| _ = 1 / v |
| }) |
| wantPanic("test4", func() { divby(0) }) |
| } |
| |
| func wantPanic(test string, fn func()) { |
| defer func() { |
| if e := recover(); e == nil { |
| panic(test + ": expected panic") |
| } |
| }() |
| fn() |
| } |
| |
| //go:noinline |
| func divby(v int) { |
| _ = 1 / v |
| } |