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test: Add case for context w/ strictly-equal children #4725

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Merged
JoviDeCroock merged 1 commit into from
Mar 13, 2025
Merged

test: Add case for context w/ strictly-equal children #4725

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32 changes: 32 additions & 0 deletions test/browser/createContext.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1005,4 +1005,36 @@ describe('createContext', () => {
expect(scratch.textContent).to.equal('bar');
expect(spy).not.to.be.called;
});

it('should pass context through strict equal children', () => {
const context = { foo: 'bar' };
const Ctx = createContext(null)

/** @type {(s: { foo: string }) => void} */
let set;
class Wrapper extends Component {
constructor(props) {
super(props);
this.state = context;
set = this.setState.bind(this)
}

getChildContext() {
return context;
}

render() {
return (
<Ctx.Provider value={this.state}>{this.props.children}</Ctx.Provider>
);
}
}

render(<Wrapper><Ctx.Consumer>{value => <p>{value.foo}</p>}</Ctx.Consumer></Wrapper>, scratch);
expect(scratch.innerHTML).to.equal('<p>bar</p>');

set({ foo: 'baz' })
rerender();
expect(scratch.innerHTML).to.equal('<p>baz</p>');
});
});
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