Sha256: 12e3a6999dddf8b2deffacc5a74bae833d48e78d2ae0b17d89afbc8d96c05bb4
Contents?: true
Size: 1.5 KB
Versions: 31
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Stored size: 1.5 KB
Contents
require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.sum");
suite.addBatch({
"sum": {
topic: function() {
return d3.sum;
},
"sums numbers": function(sum) {
assert.equal(d3.sum([1]), 1);
assert.equal(d3.sum([5, 1, 2, 3, 4]), 15);
assert.equal(d3.sum([20, 3]), 23);
assert.equal(d3.sum([3, 20]), 23);
},
"sums types that can be coerced to numbers": function(sum) {
assert.equal(d3.sum(["20", "3"]), 23);
assert.equal(d3.sum(["3", "20"]), 23);
assert.equal(d3.sum(["3", 20]), 23);
assert.equal(d3.sum([20, "3"]), 23);
assert.equal(d3.sum([3, "20"]), 23);
assert.equal(d3.sum(["20", 3]), 23);
},
"ignores non-numeric types": function(sum) {
assert.equal(d3.sum(["a", "b", "c"]), 0);
assert.equal(d3.sum(["a", 1, "2"]), 3);
},
"ignores null, undefined and NaN": function(sum) {
assert.equal(d3.sum([NaN, 1, 2, 3, 4, 5]), 15);
assert.equal(d3.sum([1, 2, 3, 4, 5, NaN]), 15);
assert.equal(d3.sum([10, null, 3, undefined, 5, NaN]), 18);
},
"applies the optional acccessor function": function(sum) {
assert.equal(d3.sum([[1, 2, 3, 4, 5], [2, 4, 6, 8, 10]], function(d) { return d3.sum(d); }), 45);
assert.equal(d3.sum([1, 2, 3, 4, 5], function(d, i) { return i; }), 10);
},
"returns zero for the empty array": function(sum) {
assert.equal(d3.sum([]), 0);
}
}
});
suite.export(module);
Version data entries
31 entries across 31 versions & 2 rubygems