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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
commit | 109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch) | |
tree | 2806a689f8fab4a2ec9fc949830ef270a91d667d /test/fixedbugs/issue5704.go | |
parent | Initial commit. (diff) | |
download | golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.tar.xz golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.zip |
Adding upstream version 1.19.8.upstream/1.19.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue5704.go')
-rw-r--r-- | test/fixedbugs/issue5704.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5704.go b/test/fixedbugs/issue5704.go new file mode 100644 index 0000000..11b9a93 --- /dev/null +++ b/test/fixedbugs/issue5704.go @@ -0,0 +1,46 @@ +// 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(""))`) +} |