mirror of
https://github.com/denoland/deno.git
synced 2024-12-14 11:27:57 -05:00
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
|
// deno-fmt-ignore-file
|
||
|
// deno-lint-ignore-file
|
||
|
|
||
|
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
|
||
|
// Taken from Node 18.12.1
|
||
|
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
|
||
|
|
||
|
'use strict';
|
||
|
|
||
|
require('../common');
|
||
|
const assert = require('assert');
|
||
|
|
||
|
|
||
|
function T(n) {
|
||
|
const ui8 = new Uint8Array(n);
|
||
|
Object.setPrototypeOf(ui8, T.prototype);
|
||
|
return ui8;
|
||
|
}
|
||
|
Object.setPrototypeOf(T.prototype, Buffer.prototype);
|
||
|
Object.setPrototypeOf(T, Buffer);
|
||
|
|
||
|
T.prototype.sum = function sum() {
|
||
|
let cntr = 0;
|
||
|
for (let i = 0; i < this.length; i++)
|
||
|
cntr += this[i];
|
||
|
return cntr;
|
||
|
};
|
||
|
|
||
|
|
||
|
const vals = [new T(4), T(4)];
|
||
|
|
||
|
vals.forEach(function(t) {
|
||
|
assert.strictEqual(t.constructor, T);
|
||
|
assert.strictEqual(Object.getPrototypeOf(t), T.prototype);
|
||
|
assert.strictEqual(Object.getPrototypeOf(Object.getPrototypeOf(t)),
|
||
|
Buffer.prototype);
|
||
|
|
||
|
t.fill(5);
|
||
|
let cntr = 0;
|
||
|
for (let i = 0; i < t.length; i++)
|
||
|
cntr += t[i];
|
||
|
assert.strictEqual(cntr, t.length * 5);
|
||
|
|
||
|
// Check this does not throw
|
||
|
t.toString();
|
||
|
});
|