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Versions: 4
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Contents
var vows = require("vows"),
load = require("../load"),
assert = require("../assert");
var suite = vows.describe("d3.selection");
suite.addBatch({
"selection": {
topic: load("selection/selection").document(),
"selects the document element": function(d3) {
var selection = d3.selection();
assert.equal(selection.length, 1);
assert.equal(selection[0].length, 1);
assert.equal(selection[0][0].nodeType, 1);
assert.equal(selection[0][0].tagName, "HTML");
},
"the parentNode is also the document element": function(d3) {
var parentNode = d3.selection()[0].parentNode;
assert.equal(parentNode.nodeType, 1);
assert.equal(parentNode.tagName, "HTML");
},
"is an instanceof d3.selection": function(d3) {
assert.instanceOf(d3.selection(), d3.selection);
},
"subselections are also instanceof d3.selection": function(d3) {
assert.instanceOf(d3.selection().select("body"), d3.selection);
assert.instanceOf(d3.selection().selectAll("body"), d3.selection);
},
"selection prototype can be extended": function(d3) {
d3.selection.prototype.foo = function(v) { return this.attr("foo", v); };
var body = d3.selection().select("body").foo(42);
assert.equal(body.attr("foo"), "42");
delete d3.selection.prototype.foo;
}
}
});
suite.export(module);
Version data entries
4 entries across 4 versions & 2 rubygems