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Versions: 31
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Stored size: 1.28 KB
Contents
require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("selection.empty");
suite.addBatch({
"select(body)": {
topic: function() {
return d3.select("body").html("");
},
"returns true for empty selections": function(body) {
assert.isTrue(body.select("foo").empty());
},
"returns false for non-empty selections": function(body) {
assert.isFalse(body.empty());
},
"ignores null nodes": function(body) {
var some = d3.select("body");
some[0][0] = null;
assert.isTrue(some.empty());
}
}
});
suite.addBatch({
"selectAll(div)": {
topic: function() {
var body = d3.select("body").html("");
body.append("div").append("span");
body.append("div");
return body.selectAll("div");
},
"returns true for empty selections": function(div) {
assert.isTrue(div.select("foo").empty());
},
"returns false for non-empty selections": function(div) {
assert.isFalse(div.empty());
assert.isFalse(div.select("span").empty());
},
"ignores null nodes": function(div) {
var some = d3.selectAll("div");
some[0][0] = null;
assert.isTrue(some.select("span").empty());
}
}
});
suite.export(module);
Version data entries
31 entries across 31 versions & 2 rubygems