package sftp import (	"syscall"	"testing") const sftpServer = "/usr/lib/openssh/sftp-server" func TestClientStatVFS(t *testing.T) {	if *testServerImpl {		t.Skipf("go server does not support FXP_EXTENDED")	}	sftp, cmd := testClient(t, READWRITE, NO_DELAY)	defer cmd.Wait()	defer sftp.Close() 	vfs, err := sftp.StatVFS("/")	if err != nil {		t.Fatal(err)	} 	// get system stats	s := syscall.Statfs_t{}	err = syscall.Statfs("/", &s)	if err != nil {		t.Fatal(err)	} 	// check some stats	if vfs.Frsize != uint64(s.Frsize) {		t.Fatalf("fr_size does not match, expected: %v, got: %v", s.Frsize, vfs.Frsize)	} 	if vfs.Bsize != uint64(s.Bsize) {		t.Fatalf("f_bsize does not match, expected: %v, got: %v", s.Bsize, vfs.Bsize)	} 	if vfs.Namemax != uint64(s.Namelen) {		t.Fatalf("f_namemax does not match, expected: %v, got: %v", s.Namelen, vfs.Namemax)	}}