d3/test/arrays/merge-test.js

27 строки
772 B
JavaScript

var vows = require("vows"),
load = require("../load"),
assert = require("../assert");
var suite = vows.describe("d3.merge");
suite.addBatch({
"merge": {
topic: load("arrays/merge").expression("d3.merge"),
"merges an array of arrays": function(merge) {
var a = {}, b = {}, c = {}, d = {}, e = {}, f = {};
assert.deepEqual(merge([[a], [b, c], [d, e, f]]), [a, b, c, d, e, f]);
},
"returns a new array": function(merge) {
var input = [[1, 2, 3], [4, 5], [6]];
assert.isFalse(merge(input) === input);
},
"does not modify the input arrays": function(merge) {
var input = [[1, 2, 3], [4, 5], [6]];
merge(input);
assert.deepEqual(input, [[1, 2, 3], [4, 5], [6]]);
}
}
});
suite.export(module);