require("../env");

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

var vows = require("vows"),

    assert = require("assert");

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

suite.addBatch({

  "values": {

    topic: function() {

      return d3.values;

    },

    "enumerates every value": function(values) {

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

    },

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

      function abc() {

        this.a = 1;

        this.b = 2;

      }

      abc.prototype.c = 3;

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

    },

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

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

      assert.isUndefined(v[0]);

      assert.isNull(v[1]);

      assert.isNaN(v[2]);

      assert.equal(v.length, 3);

    }

  }

});

suite.export(module);