node/test/simple/test-stream2-base64-single-char-read-end.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// 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.
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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var common = require('../common.js');
var R = require('_stream_readable');
var W = require('_stream_writable');
var assert = require('assert');

var src = new R({encoding: 'base64'});
var dst = new W();
var hasRead = false;
var accum = [];
var timeout;

src._read = function(n) {
  if(!hasRead) {
    hasRead = true;
    process.nextTick(function() {
      src.push(new Buffer('1'));
      src.push(null);
    });
  };
};

dst._write = function(chunk, enc, cb) {
  accum.push(chunk);
  cb();
};

src.on('end', function() {
  assert.equal(Buffer.concat(accum) + '', 'MQ==');
  clearTimeout(timeout);
})

src.pipe(dst);

timeout = setTimeout(function() {
  assert.fail('timed out waiting for _write');
}, 100);