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-rw-r--r--tests/xattr/xattr_fd_test.go61
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/xattr/xattr_fd_test.go b/tests/xattr/xattr_fd_test.go
new file mode 100644
index 0000000..7d37a57
--- /dev/null
+++ b/tests/xattr/xattr_fd_test.go
@@ -0,0 +1,61 @@
+//+build linux
+
+// Darwin does not support Fgetxattr and friends!
+
+package xattr_tests
+
+import (
+ "io/ioutil"
+ "syscall"
+ "testing"
+
+ "golang.org/x/sys/unix"
+
+ "github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+func TestFdXattr(t *testing.T) {
+ attr := "user.foo"
+ fn := test_helpers.DefaultPlainDir + "/TestFdXattr"
+ err := ioutil.WriteFile(fn, nil, 0700)
+ if err != nil {
+ t.Fatalf("creating empty file failed: %v", err)
+ }
+ fd, err := syscall.Open(fn, syscall.O_RDONLY, 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer syscall.Close(fd)
+ buf := make([]byte, 1000)
+ sz, err := unix.Flistxattr(fd, buf)
+ if sz != 0 {
+ t.Errorf("expected zero size, got %d", sz)
+ }
+ val1 := []byte("123456789")
+ unix.Fsetxattr(fd, attr, val1, 0)
+ sz, err = unix.Flistxattr(fd, buf)
+ // Length of "user.attr" + terminating null byte
+ expectedSz := len(attr) + 1
+ if sz != expectedSz {
+ t.Errorf("expected size %d, got %d", expectedSz, sz)
+ }
+ str := string(buf[:sz-1])
+ if str != attr {
+ t.Errorf("expected name %q, got %q", attr, str)
+ }
+ // Check content
+ sz, err = unix.Fgetxattr(fd, attr, buf)
+ str = string(buf[:sz])
+ if str != string(val1) {
+ t.Errorf("expected val %q, got %q", val1, str)
+ }
+ // Delete value
+ err = unix.Fremovexattr(fd, attr)
+ if err != nil {
+ t.Error(err)
+ }
+ sz, err = unix.Flistxattr(fd, buf)
+ if sz != 0 {
+ t.Errorf("expected zero size, got %d", sz)
+ }
+}