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unix: rm unused zos test helper functions

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These functions are not used anywhere in zos tests.

Checked with:

	git grep -wE 'mktmpfifo|touch|chtmpdir' \
		$(git grep -lw zos | grep _test.go; ls *_zos_test.go)

Change-Id: Ie8b25640578e1c607dd4e4f0fe4e7869f8e3f5d3
Reviewed-on: https://go-review.googlesource.com/c/sys/+/526296
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dustin Ward <wardddustin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2023-09-06 16:49:56 -07:00
committed by Gopher Robot
parent bfd1ebb2bc
commit 0514fecd90
1 changed files with 0 additions and 53 deletions
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53
unix/syscall_zos_test.go
View File

@@ -553,59 +553,6 @@ func TestMkdev(t *testing.T) {
}
}
// mktmpfifo creates a temporary FIFO and provides a cleanup function.
func mktmpfifo(t *testing.T) (*os.File, func()) {
err := unix.Mkfifo("fifo", 0666)
if err != nil {
t.Fatalf("mktmpfifo: failed to create FIFO: %v", err)
}
f, err := os.OpenFile("fifo", os.O_RDWR, 0666)
if err != nil {
os.Remove("fifo")
t.Fatalf("mktmpfifo: failed to open FIFO: %v", err)
}
return f, func() {
f.Close()
os.Remove("fifo")
}
}
// utilities taken from os/os_test.go
func touch(t *testing.T, name string) {
f, err := os.Create(name)
if err != nil {
t.Fatal(err)
}
if err := f.Close(); err != nil {
t.Fatal(err)
}
}
// chtmpdir changes the working directory to a new temporary directory and
// provides a cleanup function. Used when PWD is read-only.
func chtmpdir(t *testing.T) func() {
oldwd, err := os.Getwd()
if err != nil {
t.Fatalf("chtmpdir: %v", err)
}
d, err := ioutil.TempDir("", "test")
if err != nil {
t.Fatalf("chtmpdir: %v", err)
}
if err := os.Chdir(d); err != nil {
t.Fatalf("chtmpdir: %v", err)
}
return func() {
if err := os.Chdir(oldwd); err != nil {
t.Fatalf("chtmpdir: %v", err)
}
os.RemoveAll(d)
}
}
func TestMountUnmount(t *testing.T) {
// use an available fs
var buffer struct {