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fix(NODE-7307): Replace node:process.hrtime() with performance.now() #4816

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fix(NODE-7307): Replace node:process.hrtime() with performance.now() #4816

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c31e63d
fix(NODE-7307): Replace node:process.hrtime() with performance.now()
PavelSafronov Dec 1, 2025
62d4471
Merge branch 'main' into NODE-7307
PavelSafronov Dec 1, 2025
6b51d0f
Merge branch 'main' into NODE-7307
PavelSafronov Dec 2, 2025
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3 changes: 1 addition & 2 deletions src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -436,8 +436,7 @@ export function makeStateMachine(stateTable: StateTable): StateTransitionFunctio

/** @internal */
export function now(): number {
const hrtime = process.hrtime();
return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
return Math.floor(performance.now());
}

/** @internal */
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12 changes: 12 additions & 0 deletions test/unit/utils.test.ts
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Expand Up @@ -21,6 +21,7 @@ import {
List,
MongoDBCollectionNamespace,
MongoDBNamespace,
now,
shuffle
} from '../../src/utils';
import { sleep } from '../tools/utils';
Expand Down Expand Up @@ -1285,4 +1286,15 @@ describe('driver utils', function () {
});
});
});

describe('now()', () => {
it('difference between two calls is close to sleep time', async () => {
const time1 = now();
await sleep(10);
const time2 = now();
const diff = time2 - time1;
expect(diff).to.be.gte(5);
expect(diff).to.be.lte(15);
});
});
});