Tone.js/test/control/CtrlRandom.js

define(["Tone/control/CtrlRandom", "helper/Basic"], function (CtrlRandom, Basic) {

	describe("CtrlRandom", function(){

		Basic(CtrlRandom);

		context("API", function(){

			it ("can be constructed with a min and max", function(){
				var rando = new CtrlRandom(5, 10);
				expect(rando.min).to.equal(5);
				expect(rando.max).to.equal(10);
				rando.dispose();
			});

			it ("can be constructed with an options object", function(){
				var rando = new CtrlRandom({
					min : -10,
					max : 100,
					integer : true,
				});
				expect(rando.min).to.equal(-10);
				expect(rando.max).to.equal(100);
				expect(rando.integer).to.be.true;
				rando.dispose();
			});

			it ("returns numbers between min and max", function(){
				var rando = new CtrlRandom({
					min : 5,
					max : 100,
				});
				for (var i = 0; i < 1000; i++){
					expect(rando.value).to.be.within(5, 100);
				}
				rando.dispose();
			});

			it ("returns integers between min and max", function(){
				var rando = new CtrlRandom({
					min : -10,
					max : -2,
					integer : true,
				});
				for (var i = 0; i < 1000; i++){
					expect(rando.value).to.be.within(-10, -2);
					expect(rando.value % 1).to.equal(0);
				}
				rando.dispose();
			});
		});
	});
});