import { sleepSync } from "bun"; import { expect, it } from "bun:test"; it("sleepSync uses milliseconds", async () => { const start = performance.now(); sleepSync(50); const end = performance.now(); expect(end - start).toBeGreaterThanOrEqual(5); expect(end - start).toBeLessThan(1000); }); it("sleepSync with no arguments throws", async () => { // @ts-expect-error expect(() => sleepSync()).toThrow(); }); it("sleepSync with non-numbers throws", async () => { const invalidValues = [true, false, "hi", {}, [], undefined, null] as any[]; for (const v of invalidValues) { expect(() => sleepSync(v)).toThrow(); } }); it("sleepSync with negative number throws", async () => { expect(() => sleepSync(-10)).toThrow(); }); it("can map with sleepSync", async () => { [1, 2, 3].map(sleepSync); });