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package matrix
import (
"os"
"testing"
"golang.org/x/sys/unix"
"github.com/rfjakob/gocryptfs/v2/tests/test_helpers"
)
// TestOpenSymlinkDarwin checks that a symlink can be opened
// using O_SYMLINK.
func TestOpenSymlinkDarwin(t *testing.T) {
path := test_helpers.DefaultPlainDir + "/TestOpenSymlink"
target := "/target/does/not/exist"
err := os.Symlink(target, path)
if err != nil {
t.Fatal(err)
}
fd, err := unix.Open(path, unix.O_RDONLY|unix.O_SYMLINK, 0)
if err != nil {
t.Fatal(err)
}
defer unix.Close(fd)
var st unix.Stat_t
if err := unix.Fstat(fd, &st); err != nil {
t.Fatal(err)
}
if st.Size != int64(len(target)) {
t.Errorf("wrong size: have=%d want=%d", st.Size, len(target))
}
if err := unix.Unlink(path); err != nil {
t.Fatal(err)
}
if err := unix.Fstat(fd, &st); err != nil {
t.Error(err)
}
}
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