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-rw-r--r--tests/defaults/main_test.go30
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/defaults/main_test.go b/tests/defaults/main_test.go
index ca11b43..5c6bb84 100644
--- a/tests/defaults/main_test.go
+++ b/tests/defaults/main_test.go
@@ -4,6 +4,7 @@ package defaults
import (
"bytes"
"io"
+ "io/ioutil"
"os"
"os/exec"
"runtime"
@@ -161,3 +162,32 @@ func TestXfs124(t *testing.T) {
wg.Wait()
}
+
+func TestWrite0200File(t *testing.T) {
+ fn := test_helpers.DefaultPlainDir + "/TestWrite0200File"
+ err := ioutil.WriteFile(fn, nil, 0200)
+ if err != nil {
+ t.Fatalf("creating empty file failed: %v", err)
+ }
+ fd, err := os.OpenFile(fn, os.O_WRONLY, 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ fi, err := fd.Stat()
+ if err != nil {
+ t.Fatal(err)
+ }
+ perms := fi.Mode().Perm()
+ if perms != 0200 {
+ t.Fatal("wrong initial permissions")
+ }
+ defer fd.Close()
+ _, err = fd.Write(make([]byte, 10))
+ if err != nil {
+ t.Fatal(err)
+ }
+ perms = fi.Mode().Perm()
+ if perms != 0200 {
+ t.Fatal("wrong restored permissions")
+ }
+}