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Contents
var vows = require("vows"),
load = require("../load"),
assert = require("../assert");
var suite = vows.describe("d3.geo.projection");
suite.addBatch({
"projection": {
topic: load("geo/projection").expression("d3.geo.projection"),
"a custom invertible projection": {
topic: function(projection) {
function forward(λ, φ) { return [λ, φ]; }
forward.invert = function(x, y) {};
return projection(forward);
},
"invert": {
"can return undefined": function(projection) {
assert.isUndefined(projection.invert([0, 0]));
}
},
"scale": {
"defaults to 150": function(projection) {
assert.equal(projection.scale(), 150);
},
"is coerced to a number": function(projection) {
assert.strictEqual(projection.scale("400"), projection);
assert.strictEqual(projection.scale(), 400);
}
},
"translate": {
"defaults to [480, 250]": function(projection) {
assert.deepEqual(projection.translate(), [480, 250]);
},
"is coerced to two numbers": function(projection) {
assert.strictEqual(projection.translate(["23", "141"]), projection);
assert.strictEqual(projection.translate()[0], 23);
assert.strictEqual(projection.translate()[1], 141);
}
},
"rotate": {
"defaults to [0, 0, 0]": function(projection) {
assert.deepEqual(projection.rotate(), [0, 0, 0]);
},
"is coerced to three numbers": function(projection) {
assert.strictEqual(projection.rotate(["23", "41"]), projection);
assert.strictEqual(projection.rotate()[0], 23);
assert.strictEqual(projection.rotate()[1], 41);
}
}
}
}
});
suite.export(module);
Version data entries
4 entries across 4 versions & 2 rubygems