mirror of
https://github.com/oven-sh/bun
synced 2026-02-11 03:18:53 +00:00
23 lines
833 B
JavaScript
23 lines
833 B
JavaScript
import { expect, it } from "bun:test";
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it("performance.now() should be monotonic", () => {
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const first = performance.now();
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const second = performance.now();
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const third = performance.now();
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const fourth = performance.now();
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const fifth = performance.now();
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const sixth = performance.now();
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expect(first < second).toBe(true);
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expect(second < third).toBe(true);
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expect(third < fourth).toBe(true);
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expect(fourth < fifth).toBe(true);
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expect(fifth < sixth).toBe(true);
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expect(Bun.nanoseconds() > 0).toBe(true);
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expect(Bun.nanoseconds() > sixth).toBe(true);
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expect(typeof Bun.nanoseconds() === "number").toBe(true);
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});
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it("performance.timeOrigin + performance.now() should be similar to Date.now()", () => {
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expect(Math.abs(performance.timeOrigin + performance.now() - Date.now()) < 1000).toBe(true);
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});
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