30 строки
1.5 KiB
JavaScript
30 строки
1.5 KiB
JavaScript
require("../env");
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var vows = require("vows"),
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assert = require("../env-assert");
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var suite = vows.describe("d3.geo.circle");
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suite.addBatch({
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"circle": {
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topic: d3.geo.circle,
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"generates a Polygon": function(circle) {
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var o = circle();
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assert.equal(o.type, "Polygon");
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assert.inDelta(o.coordinates, [[[-78.690067, -90], [-90, -84], [-90, -78], [-90, -72], [-90, -66], [-90, -60], [-90, -54], [-90, -48], [-90, -42], [-90, -36], [-90, -30], [-90, -24], [-90, -18], [-90, -12], [-90, -6], [-90, 0], [-90, 6], [-90, 12], [-90, 18], [-90, 24], [-90, 30], [-90, 36], [-90, 42], [-90, 48], [-90, 54], [-90, 60], [-90, 66], [-90, 72], [-90, 78], [-90, 84], [-89.596672, 90], [90, 84], [90, 78], [90, 72], [90, 66], [90, 60], [90, 54], [90, 48], [90, 42], [90, 36], [90, 30], [90, 24], [90, 18], [90, 12], [90, 6], [90, 0], [90, -6], [90, -12], [90, -18], [90, -24], [90, -30], [90, -36], [90, -42], [90, -48], [90, -54], [90, -60], [90, -66], [90, -72], [90, -78], [90, -84], [89.569782, -90]]], 1e-6);
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},
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"origin([0, 90])": function(circle) {
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var o = circle.origin([0, 90])();
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assert.equal(o.type, "Polygon");
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assert.inDelta(o.coordinates, [d3.range(360, -1, -6).map(function(x) { return [x >= 180 ? x - 360 : x, 0]; })], 1e-6);
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},
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"origin([45, 45])": function(circle) {
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var o = circle.origin([45, 45]).angle(0)();
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assert.equal(o.type, "Polygon");
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assert.inDelta(o.coordinates[0][0], [45, 45], 1e-6);
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}
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}
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});
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suite.export(module);
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