import getViewportSize from "../getViewportSize"; describe("getViewportSize", () => { it("should return the correct size based on the direction parameter", () => { Object.defineProperty(window, "innerWidth", { value: 320 }); Object.defineProperty(window, "innerHeight", { value: 1000 }); expect(getViewportSize("width")).toBe(320); expect(getViewportSize("height")).toBe(1000); }); });