diff options
Diffstat (limited to 'test/fixedbugs/issue19201.go')
-rw-r--r-- | test/fixedbugs/issue19201.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/fixedbugs/issue19201.go b/test/fixedbugs/issue19201.go new file mode 100644 index 0000000..e370d55 --- /dev/null +++ b/test/fixedbugs/issue19201.go @@ -0,0 +1,52 @@ +// 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. + +package main + +import ( + "encoding/binary" +) + +var ( + ch1 = make(chan int) + ch2 = make(chan int) + + bin = []byte("a\000\000\001") + want = binary.BigEndian.Uint32(bin) + + c consumer = noopConsumer{} +) + +type msg struct { + code uint32 +} + +type consumer interface { + consume(msg) +} + +type noopConsumer struct{} + +func (noopConsumer) consume(msg) {} + +func init() { + close(ch1) +} + +func main() { + var m msg + m.code = binary.BigEndian.Uint32(bin) + + select { + case <-ch1: + c.consume(m) + if m.code != want { + // can not use m.code here, or it will work + panic("BigEndian read failed") + } + case <-ch2: + } +} |