en.javascript.info/4-binary/01-arraybuffer-binary-arrays/01-concat/_js.view/test.js
2019-04-02 14:01:44 +03:00

31 lines
585 B
JavaScript

describe("concat", function() {
let chunks = [
new Uint8Array([0, 1, 2]),
new Uint8Array([3, 4, 5]),
new Uint8Array([6, 7, 8])
];
it("result has the same array type", function() {
let result = concat(chunks);
assert.equal(result.constructor, Uint8Array);
});
it("concatenates arrays", function() {
let result = concat(chunks);
assert.deepEqual(result, new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8]));
});
it("returns empty array on empty input", function() {
let result = concat([]);
assert.equal(result.length, 0);
});
});