go/test/fixedbugs/issue5704.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

46 lines
1 KiB
Go

// run
// Copyright 2012 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.
// Issue 5704: Conversions of empty strings to byte
// or rune slices return empty but non-nil slices.
package main
type (
mystring string
mybytes []byte
myrunes []rune
)
func checkBytes(s []byte, arg string) {
if len(s) != 0 {
panic("len(" + arg + ") != 0")
}
if s == nil {
panic(arg + " == nil")
}
}
func checkRunes(s []rune, arg string) {
if len(s) != 0 {
panic("len(" + arg + ") != 0")
}
if s == nil {
panic(arg + " == nil")
}
}
func main() {
checkBytes([]byte(""), `[]byte("")`)
checkBytes([]byte(mystring("")), `[]byte(mystring(""))`)
checkBytes(mybytes(""), `mybytes("")`)
checkBytes(mybytes(mystring("")), `mybytes(mystring(""))`)
checkRunes([]rune(""), `[]rune("")`)
checkRunes([]rune(mystring("")), `[]rune(mystring(""))`)
checkRunes(myrunes(""), `myrunes("")`)
checkRunes(myrunes(mystring("")), `myrunes(mystring(""))`)
}