d3/test/geo/interpolate-test.js

26 строки
671 B
JavaScript

require("../env");
var vows = require("vows"),
assert = require("../env-assert");
var suite = vows.describe("d3.geo.interpolate");
suite.addBatch({
"interpolate": {
topic: function() {
return d3.geo.interpolate;
},
"zero distance": function(arc) {
assert.deepEqual(d3.geo.interpolate([140.63289, -29.95101], [140.63289, -29.95101])(.5), [140.63289, -29.95101]);
},
"equator": function(arc) {
assert.inDelta(d3.geo.interpolate([10, 0], [20, 0])(.5), [15, 0], 1e-6);
},
"meridian": function(arc) {
assert.inDelta(d3.geo.interpolate([10, -20], [10, 40])(.5), [10, 10], 1e-6);
}
}
});
suite.export(module);