d3/test/core/transpose-test.js

33 строки
1.0 KiB
JavaScript

require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("d3.transpose");
suite.addBatch({
"transpose": {
topic: function() {
return d3.transpose;
},
"transposes a square matrix": function(transpose) {
assert.deepEqual(d3.transpose([[1, 2], [3, 4]]), [[1, 3], [2, 4]]);
},
"transposes a non-square matrix": function(transpose) {
assert.deepEqual(d3.transpose([[1, 2, 3, 4, 5], [2, 4, 6, 8, 10]]), [[1, 2], [2, 4], [3, 6], [4, 8], [5, 10]]);
},
"transposes a single-row matrix": function(transpose) {
assert.deepEqual(d3.transpose([[1, 2, 3, 4, 5]]), [[1], [2], [3], [4], [5]]);
},
"transposes an empty matrix": function(transpose) {
assert.deepEqual(d3.transpose([]), []);
},
"ignores extra elements given an irregular matrix": function(transpose) {
assert.deepEqual(d3.transpose([[1, 2], [3, 4], [5, 6, 7]]), [[1, 3, 5], [2, 4, 6]]);
}
}
});
suite.export(module);