Function App

packages/react-test-renderer/src/__tests__/ReactTestRendererAct-test.js:24–31

(props)

  // @gate __DEV__
  it('can use .act() to flush effects', () => {
    function App(props) {
      const [ctr, setCtr] = React.useState(0);
      React.useEffect(() => {
        props.callback();
        setCtr(1);
      }, []);
      return ctr;
    }
    const calledLog = [];
    let root;
    act(() => {