1 require("../env");

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

     3 

     4 var vows = require("vows"),

     5     assert = require("assert");

     6 

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

     8 

     9 suite.addBatch({

    10   "entries": {

    11     topic: function() {

    12       return d3.entries;

    13     },

    14     "enumerates every entry": function(entries) {

    15       assert.deepEqual(entries({a: 1, b: 2}), [

    16         {key: "a", value: 1},

    17         {key: "b", value: 2}

    18       ]);

    19     },

    20     "includes entries defined on prototypes": function(entries) {

    21       function abc() {

    22         this.a = 1;

    23         this.b = 2;

    24       }

    25       abc.prototype.c = 3;

    26       assert.deepEqual(entries(new abc()), [

    27         {key: "a", value: 1},

    28         {key: "b", value: 2},

    29         {key: "c", value: 3}

    30       ]);

    31     },

    32     "includes null or undefined values": function(entries) {

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

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

    35       assert.deepEqual(v[0], {key: "a", value: undefined});

    36       assert.deepEqual(v[1], {key: "b", value: null});

    37       assert.equal(v[2].key, "c");

    38       assert.isNaN(v[2].value);

    39     }

    40   }

    41 });

    42 

    43 suite.export(module);