26 строки
744 B
JavaScript
26 строки
744 B
JavaScript
require("../env");
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var vows = require("vows"),
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assert = require("../env-assert");
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var suite = vows.describe("selection.enter");
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suite.addBatch({
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"selectAll(div)": {
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topic: function() {
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return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter();
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},
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"is an instanceof d3.selection.enter": function(enter) {
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assert.instanceOf(enter, d3.selection.enter);
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},
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"selection prototype can be extended": function(enter) {
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d3.selection.enter.prototype.foo = function() { return this.append("foo"); };
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var selection = enter.foo();
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assert.equal(document.body.innerHTML, "<foo></foo><foo></foo>");
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delete d3.selection.enter.prototype.foo;
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}
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}
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});
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suite.export(module);
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