var vows = require(“vows”),
load = require("../load"), assert = require("../assert");
var suite = vows.describe(“selection.order”);
suite.addBatch({
"selectAll(div)": { topic: load("selection/call").document(), "on a simple page": { topic: function(d3) { return d3.select("body").selectAll("div") .data([1, 2, 10, 20]) .enter().append("div") .attr("id", String); }, "orders elements by data": function(div) { div = div.data([1, 10, 20, 2], String).order(); assert.domNull(div[0][0].previousSibling); assert.domEqual(div[0][1].previousSibling, div[0][0]); assert.domEqual(div[0][2].previousSibling, div[0][1]); assert.domEqual(div[0][3].previousSibling, div[0][2]); assert.domNull(div[0][3].nextSibling); }, "returns the current selection": function(span) { assert.isTrue(span.order() === span); } } }
});
suite.export(module);