49 строки
1.4 KiB
JavaScript
49 строки
1.4 KiB
JavaScript
require("../env");
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var vows = require("vows"),
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assert = require("assert");
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var suite = vows.describe("d3.geo.equirectangular");
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suite.addBatch({
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"equirectangular": {
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topic: function() {
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return d3.geo.equirectangular();
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},
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"scale": {
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"defaults to 500 / 2π": function(projection) {
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assert.equal(projection.scale(), 500 / (2 * Math.PI));
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},
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"is coerced to a number": function(projection) {
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assert.strictEqual(projection.scale("400"), projection);
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assert.strictEqual(projection.scale(), 400);
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projection.scale(500 / (2 * Math.PI));
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}
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},
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"translate": {
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"defaults to [480, 250]": function(projection) {
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assert.deepEqual(projection.translate(), [480, 250]);
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},
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"is coerced to two numbers": function(projection) {
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assert.strictEqual(projection.translate(["23", "141"]), projection);
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assert.strictEqual(projection.translate()[0], 23);
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assert.strictEqual(projection.translate()[1], 141);
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projection.translate([480, 250]);
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}
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},
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"of San Francisco, CA": {
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"is at location [-122.446, 37.767]": function(projection) {
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assert.inDelta(projection.invert([310, 198]), [-122.446, 37.767], .5);
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},
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"is at point [310, 198]": function(projection) {
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assert.inDelta(projection([-122.446, 37.767]), [310, 198], .5);
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}
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}
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}
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});
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suite.export(module);
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