Function Demo

tests/focus.test.tsx:36–44

()

    const onFocus = jest.fn();

    const Demo: React.FC = () => {
      const [disabled, setDisabled] = useState(false);
      return (
        <>
          <Select disabled={disabled} onFocus={onFocus} onBlur={() => setDisabled(true)} />
          <button onClick={() => setDisabled(false)} />
        </>
      );
    };

    const { container } = render(<Demo />);