29 строки
1010 B
JavaScript
29 строки
1010 B
JavaScript
var vows = require("vows"),
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load = require("../load"),
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assert = require("../assert");
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var suite = vows.describe("d3.transpose");
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suite.addBatch({
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"transpose": {
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topic: load("arrays/transpose").expression("d3.transpose"),
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"transposes a square matrix": function(transpose) {
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assert.deepEqual(transpose([[1, 2], [3, 4]]), [[1, 3], [2, 4]]);
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},
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"transposes a non-square matrix": function(transpose) {
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assert.deepEqual(transpose([[1, 2, 3, 4, 5], [2, 4, 6, 8, 10]]), [[1, 2], [2, 4], [3, 6], [4, 8], [5, 10]]);
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},
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"transposes a single-row matrix": function(transpose) {
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assert.deepEqual(transpose([[1, 2, 3, 4, 5]]), [[1], [2], [3], [4], [5]]);
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},
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"transposes an empty matrix": function(transpose) {
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assert.deepEqual(transpose([]), []);
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},
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"ignores extra elements given an irregular matrix": function(transpose) {
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assert.deepEqual(transpose([[1, 2], [3, 4], [5, 6, 7]]), [[1, 3, 5], [2, 4, 6]]);
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}
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}
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});
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suite.export(module);
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