1 require("../env");

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

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

     4 

     5 var vows = require("vows"),

     6     assert = require("assert");

     7 

     8 var suite = vows.describe("d3.geo.equirectangular");

     9 

    10 suite.addBatch({

    11   "equirectangular": {

    12     topic: function() {

    13       return d3.geo.equirectangular();

    14     },

    15 

    16     "scale": {

    17       "defaults to 500": function(projection) {

    18         assert.equal(projection.scale(), 500);

    19       },

    20       "is coerced to a number": function(projection) {

    21         assert.strictEqual(projection.scale("400"), projection);

    22         assert.strictEqual(projection.scale(), 400);

    23         projection.scale(500);

    24       }

    25     },

    26 

    27     "translate": {

    28       "defaults to [480, 250]": function(projection) {

    29         assert.deepEqual(projection.translate(), [480, 250]);

    30       },

    31       "is coerced to two numbers": function(projection) {

    32         assert.strictEqual(projection.translate(["23", "141"]), projection);

    33         assert.strictEqual(projection.translate()[0], 23);

    34         assert.strictEqual(projection.translate()[1], 141);

    35         projection.translate([480, 250]);

    36       }

    37     },

    38 

    39     "of San Francisco, CA": {

    40       "is at location [-122.446, 37.767]": function(projection) {

    41         assert.inDelta(projection.invert([310, 198]), [-122.446, 37.767], .5);

    42       },

    43       "is at point [310, 198]": function(projection) {

    44         assert.inDelta(projection([-122.446, 37.767]), [310, 198], .5);

    45       }

    46     }

    47   }

    48 });

    49 

    50 suite.export(module);