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Failing test: DevTools hook freezes timeline #17159

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Failing test: DevTools hook freezes timeline #17159

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22 changes: 22 additions & 0 deletions packages/react/src/__tests__/ReactProfilerDevToolsIntegration-test.internal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -177,4 +177,26 @@ describe('ReactProfiler DevTools integration', () => {
{name: 'some event', timestamp: eventTime},
]);
});

it('regression test: #<TODO: add issue number>', () => {
function Text({text}) {
Scheduler.unstable_yieldValue(text);
return text;
}

const root = ReactTestRenderer.create(null, {unstable_isConcurrent: true});

root.update(<Text text="A" />);
expect(Scheduler).toFlushAndYield(['A']);
expect(root).toMatchRenderedOutput('A');

Scheduler.unstable_advanceTime(10000);
root.update(<Text text="B" />);

// Update B should not have expired
expect(Scheduler).toFlushExpired([]);

expect(Scheduler).toFlushAndYield(['B']);
expect(root).toMatchRenderedOutput('B');
});
});