/
arraybuffer.js
70 lines (62 loc) · 1.88 KB
/
arraybuffer.js
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var parser = require('../index.js');
var expect = require('expect.js');
var helpers = require('./helpers.js');
var encoder = new parser.Encoder();
describe('parser', function() {
it('encodes an ArrayBuffer', function() {
var packet = {
type: parser.BINARY_EVENT,
data: ['a', new ArrayBuffer(2)],
id: 0,
nsp: '/'
};
helpers.test_bin(packet);
});
it('encodes a TypedArray', function() {
var array = new Uint8Array(5);
for (var i = 0; i < array.length; i++) array[i] = i;
var packet = {
type: parser.BINARY_EVENT,
data: ['a', array],
id: 0,
nsp: '/'
};
helpers.test_bin(packet);
});
it('encodes ArrayBuffers deep in JSON', function() {
var packet = {
type: parser.BINARY_EVENT,
data: ['a', {a: 'hi', b: {why: new ArrayBuffer(3)}, c: {a: 'bye', b: { a: new ArrayBuffer(6)}}}],
id: 999,
nsp: '/deep'
};
helpers.test_bin(packet);
});
it('encodes deep binary JSON with null values', function() {
var packet = {
type: parser.BINARY_EVENT,
data: ['a', {a: 'b', c: 4, e: {g: null}, h: new ArrayBuffer(9)}],
nsp: '/',
id: 600
};
helpers.test_bin(packet);
});
it('cleans itself up on close', function() {
var packet = {
type: parser.BINARY_EVENT,
data: [new ArrayBuffer(2), new ArrayBuffer(3)],
id: 0,
nsp: '/'
};
encoder.encode(packet, function(encodedPackets) {
var decoder = new parser.Decoder();
decoder.on('decoded', function(packet) {
throw new Error("received a packet when not all binary data was sent.");
});
decoder.add(encodedPackets[0]); // add metadata
decoder.add(encodedPackets[1]); // add first attachment
decoder.destroy(); // destroy before all data added
expect(decoder.reconstructor.buffers.length).to.be(0); // expect that buffer is clean
});
});
});