node/test/parallel/test-buffer-inheritance.js
Rich Trott 082cc8d6d8 test: remove unnecessary assignments
common.js needs to be loaded in all tests so that there is checking
for variable leaks and possibly other things. However, it does not
need to be assigned to a variable if nothing in common.js is referred
to elsewhere in the test.

PR-URL: https://github.com/nodejs/node/pull/4408
Reviewed-By: James M Snell <jasnell@gmail.com>
2015-12-26 18:00:02 -08:00

39 lines
767 B
JavaScript

'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.equal(t.constructor, T);
assert.equal(t.__proto__, T.prototype);
assert.equal(t.__proto__.__proto__, Buffer.prototype);
t.fill(5);
let cntr = 0;
for (let i = 0; i < t.length; i++)
cntr += t[i];
assert.equal(t.length * 5, cntr);
// Check this does not throw
t.toString();
});