Class Inner

packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js:474–486

    }

    class Inner extends React.Component {
      UNSAFE_componentWillMount = logger('inner componentWillMount');
      componentDidMount = logger('inner componentDidMount');
      UNSAFE_componentWillReceiveProps = logger(
        'inner componentWillReceiveProps',
      );
      shouldComponentUpdate = logger('inner shouldComponentUpdate');
      UNSAFE_componentWillUpdate = logger('inner componentWillUpdate');
      componentDidUpdate = logger('inner componentDidUpdate');
      componentWillUnmount = logger('inner componentWillUnmount');
      render() {
        return <span>{this.props.x}</span>;
      }
    }

    const root = ReactDOMClient.createRoot(document.createElement('div'));