From 69668d49e5ddb5169eae7966d8a30e9ae9e32cea Mon Sep 17 00:00:00 2001 From: Jarred Sumner Date: Mon, 2 May 2022 03:36:26 -0700 Subject: [bun.js] Add `Bun.nanoseconds()` to report time in nanos --- integration/bunjs-only-snippets/performance.test.js | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 integration/bunjs-only-snippets/performance.test.js (limited to 'integration/bunjs-only-snippets/performance.test.js') diff --git a/integration/bunjs-only-snippets/performance.test.js b/integration/bunjs-only-snippets/performance.test.js new file mode 100644 index 000000000..5e8520638 --- /dev/null +++ b/integration/bunjs-only-snippets/performance.test.js @@ -0,0 +1,18 @@ +import { expect, it } from "bun:test"; + +it("performance.now() should be monotonic", () => { + const first = performance.now(); + const second = performance.now(); + const third = performance.now(); + const fourth = performance.now(); + const fifth = performance.now(); + const sixth = performance.now(); + expect(first < second).toBe(true); + expect(second < third).toBe(true); + expect(third < fourth).toBe(true); + expect(fourth < fifth).toBe(true); + expect(fifth < sixth).toBe(true); + expect(Bun.nanoseconds() > 0).toBe(true); + expect(Bun.nanoseconds() > sixth).toBe(true); + expect(typeof Bun.nanoseconds() === "number").toBe(true); +}); -- cgit v1.2.3