Function _assert

test/jasmine/tests/ternary_test.js:281–293

(layers)

        ];

        function _assert(layers) {
            var toplevel = d3SelectAll('g.ternary > .toplevel');

            expect(toplevel.size()).toBe(layers.length, '# of layer');

            toplevel.each(function(d, i) {
                var className = d3Select(this)
                    .attr('class')
                    .split('toplevel ')[1];

                expect(className).toBe(layers[i], 'layer ' + i);
            });
        }

        Plotly.newPlot(gd, fig).then(function() {
            _assert(dflt);