1 require("../env");

     2 require("../../d3");

     3 

     4 var vows = require("vows"),

     5     assert = require("assert");

     6 

     7 var suite = vows.describe("d3.split");

     8 

     9 suite.addBatch({

    10   "split": {

    11     topic: function() {

    12       return d3.split;

    13     },

    14     "splits an array into arrays": function(split) {

    15       var a = {}, b = {}, c = {}, d = {}, e = {}, f = {};

    16       assert.deepEqual(d3.split([a, null, b, c, undefined, d, e, f]), [[a], [b, c], [d, e, f]]);

    17     },

    18     "splits using the specified function": function(split) {

    19       assert.deepEqual(d3.split([1, 0, 2, 3, -1, 4, 5, 6], function(d) { return d <= 0; }), [[1], [2, 3], [4, 5, 6]]);

    20       assert.deepEqual(d3.split([1, 0, 2, 3, -1, 4, 5, 6], function(d, i) { return i & 1; }), [[1], [2], [-1], [5]]);

    21     },

    22     "ignores delimiters at the start or end": function(split) {

    23       var a = {}, b = {}, c = {};

    24       assert.deepEqual(d3.split([null, a, b, null, c]), [[a, b], [c]]);

    25       assert.deepEqual(d3.split([a, b, null, c, null]), [[a, b], [c]]);

    26       assert.deepEqual(d3.split([null, a, b, null, c, null]), [[a, b], [c]]);

    27       assert.deepEqual(d3.split([undefined, a, b, undefined, c]), [[a, b], [c]]);

    28       assert.deepEqual(d3.split([a, b, undefined, c, undefined]), [[a, b], [c]]);

    29       assert.deepEqual(d3.split([undefined, a, b, undefined, c, undefined]), [[a, b], [c]]);

    30     }

    31   }

    32 });

    33 

    34 suite.export(module);