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Haha-Yes/node_modules/buffer/test/node-es6/test-buffer-iterator.js

66 lines
978 B
JavaScript

'use strict';
if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false;
var Buffer = require('../../').Buffer;
var common = {};
var assert = require('assert');
var buffer = new Buffer([1, 2, 3, 4, 5]);
var arr;
var b;
// buffers should be iterable
arr = [];
for (b of buffer)
arr.push(b);
assert.deepEqual(arr, [1, 2, 3, 4, 5]);
// buffer iterators should be iterable
arr = [];
for (b of buffer[Symbol.iterator]())
arr.push(b);
assert.deepEqual(arr, [1, 2, 3, 4, 5]);
// buffer#values() should return iterator for values
arr = [];
for (b of buffer.values())
arr.push(b);
assert.deepEqual(arr, [1, 2, 3, 4, 5]);
// buffer#keys() should return iterator for keys
arr = [];
for (b of buffer.keys())
arr.push(b);
assert.deepEqual(arr, [0, 1, 2, 3, 4]);
// buffer#entries() should return iterator for entries
arr = [];
for (var b of buffer.entries())
arr.push(b);
assert.deepEqual(arr, [
[0, 1],
[1, 2],
[2, 3],
[3, 4],
[4, 5]
]);