defineSuite([ 'Core/Interval' ], function( Interval) { 'use strict'; it('constructs without arguments', function() { var interval = new Interval(); expect(interval.start).toEqual(0.0); expect(interval.stop).toEqual(0.0); }); it('constructs with arguments', function() { var start = 1.0; var stop = 2.0; var interval = new Interval(start, stop); expect(interval.start).toEqual(start); expect(interval.stop).toEqual(stop); }); });