describe('fullscreen (option)', () => { it('should be enabled by default', () => { const image = window.createImage(); const viewer = new Viewer(image); expect(viewer.options.fullscreen).to.be.true; }); it('should be disabled', () => { const image = window.createImage(); const viewer = new Viewer(image, { fullscreen: false, }); expect(viewer.options.fullscreen).to.be.false; }); });