Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-unpipe-leak.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-unpipe-leak.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-unpipe-leak.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-unpipe-leak.js
new file mode 100644
index 0000000000000000000000000000000000000000..6882f209326364f985c997d36c0f559762cce718
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/test/simple/test-stream2-unpipe-leak.js
@@ -0,0 +1,74 @@
+// 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.
+
+
+var common = require('../common.js');
+var assert = require('assert');
+var stream = require('../../readable');
+
+var chunk = new Buffer('hallo');
+
+var util = require('util');
+
+function TestWriter() {
+  stream.Writable.call(this);
+}
+util.inherits(TestWriter, stream.Writable);
+
+TestWriter.prototype._write = function(buffer, encoding, callback) {
+  callback(null);
+};
+
+var dest = new TestWriter();
+
+// Set this high so that we'd trigger a nextTick warning
+// and/or RangeError if we do maybeReadMore wrong.
+function TestReader() {
+  stream.Readable.call(this, { highWaterMark: 0x10000 });
+}
+util.inherits(TestReader, stream.Readable);
+
+TestReader.prototype._read = function(size) {
+  this.push(chunk);
+};
+
+var src = new TestReader();
+
+for (var i = 0; i < 10; i++) {
+  src.pipe(dest);
+  src.unpipe(dest);
+}
+
+assert.equal(src.listeners('end').length, 0);
+assert.equal(src.listeners('readable').length, 0);
+
+assert.equal(dest.listeners('unpipe').length, 0);
+assert.equal(dest.listeners('drain').length, 0);
+assert.equal(dest.listeners('error').length, 0);
+assert.equal(dest.listeners('close').length, 0);
+assert.equal(dest.listeners('finish').length, 0);
+
+console.error(src._readableState);
+process.on('exit', function() {
+  assert(src._readableState.length >= src._readableState.highWaterMark);
+  src._readableState.buffer.length = 0;
+  console.error(src._readableState);
+});