if len(buf) != 0 {
		err = fd.eofError(n, err)
	}
	return n, err
}

var ReadConsole = syscall.ReadConsole // changed for testing

// readConsole reads utf16 characters from console File,
// encodes them into utf8 and stores them in buffer b.
// It returns the number of utf8 bytes read and an error, if any.
func (fd *FD) readConsole(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, nil
	}

	if err = os.Chmod(p, 0400); err != nil {
		t.Fatal(err)
	}
	if err = os.Remove(p); err != nil {
		t.Fatal(err)
	}
}

func TestReadStdin(t *testing.T) {
	old := poll.ReadConsole
	defer func() {
		poll.ReadConsole = old
	}()

	p, err := syscall.GetCurrentProcess()
	if err != nil {
		t.Fatalf("Unable to get handle to current process: %v", err)
	}
	var stdinDuplicate syscall.Handle