ength).to.be.eql(0);

          for (var i = 0; i < 3; ++i) {
            MockInteractions.down(ripple);
            expect(ripple.ripples.length).to.be.eql(i + 1);
          }
        });
      });

      suite('when holdDown is togggled', function() {
        setup(function () {
          rippleContainer = fixture('TrivialRipple');
          ripple = rippleContainer.firstElementChild;
        });

        test('generates a ripple', function() {
          ripple.holdDown = true;
          expect(ripple.rip