Function countLegendItems

test/jasmine/tests/legend_test.js:1593–1595

()

        mockCopy.data[1].showlegend = false;

        function countLegendItems() {
            return d3Select(gd).selectAll('rect.legendtoggle').size();
        }

        function assertTraceToggleRect() {
            var nodes = d3SelectAll('rect.legendtoggle');