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Versions: 31
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Contents
require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.selection");
suite.addBatch({
"selection": {
topic: function() {
return d3.selection();
},
"selects the document": function(selection) {
assert.equal(selection.length, 1);
assert.equal(selection[0].length, 1);
assert.equal(selection[0][0], document);
},
"is an instanceof d3.selection": function(selection) {
assert.isTrue(selection instanceof d3.selection);
},
"subselections are also instanceof d3.selection": function(selection) {
assert.isTrue(selection.select("body") instanceof d3.selection);
assert.isTrue(selection.selectAll("body") instanceof d3.selection);
},
"selection prototype can be extended": function(selection) {
d3.selection.prototype.foo = function(v) { return this.attr("foo", v); };
selection.select("body").foo(42);
assert.equal(document.body.getAttribute("foo"), "42");
delete d3.selection.prototype.foo;
}
}
});
suite.export(module);
Version data entries
31 entries across 31 versions & 2 rubygems