1 require("../env");

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

     3 

     4 var vows = require("vows"),

     5     assert = require("assert");

     6 

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

     8 

     9 suite.addBatch({

    10   "values": {

    11     topic: function() {

    12       return d3.values;

    13     },

    14     "enumerates every value": function(values) {

    15       assert.deepEqual(values({a: 1, b: 2}), [1, 2]);

    16     },

    17     "includes values defined on prototypes": function(values) {

    18       function abc() {

    19         this.a = 1;

    20         this.b = 2;

    21       }

    22       abc.prototype.c = 3;

    23       assert.deepEqual(values(new abc()), [1, 2, 3]);

    24     },

    25     "includes null or undefined values": function(values) {

    26       var v = values({a: undefined, b: null, c: NaN});

    27       assert.isUndefined(v[0]);

    28       assert.isNull(v[1]);

    29       assert.isNaN(v[2]);

    30       assert.equal(v.length, 3);

    31     }

    32   }

    33 });

    34 

    35 suite.export(module);