import { hasClass } from './hasClass'; describe( 'hasClass', () => { test( 'can return true if the element contains the specified class.', () => { const container = document.createElement( 'div' ); container.classList.add( 'active' ); container.classList.add( 'visible' ); expect( hasClass( container, 'active' ) ).toBe( true ); expect( hasClass( container, 'visible' ) ).toBe( true ); } ); test( 'can return false if the element does not contain the specified class.', () => { const container = document.createElement( 'div' ); expect( hasClass( container, 'active' ) ).toBe( false ); expect( hasClass( container, 'visible' ) ).toBe( false ); } ); } );