nodejs-mozilla/test/parallel/test-stream2-base64-single-...

58 lines
1.8 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
require('../common');
const R = require('_stream_readable');
const W = require('_stream_writable');
const assert = require('assert');
const src = new R({ encoding: 'base64' });
const dst = new W();
let hasRead = false;
const accum = [];
src._read = function(n) {
if (!hasRead) {
hasRead = true;
process.nextTick(function() {
src.push(Buffer.from('1'));
src.push(null);
});
}
};
dst._write = function(chunk, enc, cb) {
accum.push(chunk);
cb();
};
src.on('end', function() {
assert.strictEqual(String(Buffer.concat(accum)), 'MQ==');
clearTimeout(timeout);
});
src.pipe(dst);
const timeout = setTimeout(function() {
assert.fail('timed out waiting for _write');
}, 100);