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filer.buffer.spec.js
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filer.buffer.spec.js
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'use strict';
const Filer = require('../../src');
const expect = require('chai').expect;
describe('Filer.Buffer', function() {
it('should support .from()', function() {
expect(Filer.Buffer.from).to.be.a('function');
});
it('should support .alloc()', function() {
expect(Filer.Buffer.alloc).to.be.a('function');
});
it('should support .isBuffer()', function() {
const buf = Buffer.alloc(0);
expect(Buffer.isBuffer(buf)).to.be.true;
});
describe('Deprecation checks - constructor vs. class method init', function() {
it('should allow new Buffer(array)', function() {
const arr = [1, 2, 3];
const buf1 = new Buffer(arr);
const buf2 = new Buffer.from(arr);
expect(buf1).to.deep.equal(buf2);
});
it('should allow new Buffer(ArrayBuffer)', function() {
const arrayBuffer = (new Uint8Array([1, 2, 3])).buffer;
const buf1 = new Buffer(arrayBuffer);
const buf2 = Buffer.from(arrayBuffer);
expect(buf1).to.deep.equal(buf2);
});
it('should allow new Buffer(ArrayBuffer)', function() {
const buffer = new Buffer.from([1, 2, 3]);
const buf1 = new Buffer(buffer);
const buf2 = Buffer.from(buffer);
expect(buf1).to.deep.equal(buf2);
});
it('should allow new Buffer(string)', function() {
const s = 'Hello World';
const buf1 = new Buffer(s);
const buf2 = Buffer.from(s);
expect(buf1).to.deep.equal(buf2);
});
});
});