test: split test in parallel/sequential

Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
PR-URL: https://github.com/iojs/io.js/pull/172
Fix: iojs/io.js#139

1 files changed, 122 insertions, 0 deletions

diff --git a/test/parallel/test-stream-pipe-cleanup.js b/test/parallel/test-stream-pipe-cleanup.js
new file mode 100644
index 0000000000..f689358524
--- /dev/null
+++ b/test/parallel/test-stream-pipe-cleanup.js
@@ -0,0 +1,122 @@
+// 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.
+
+// This test asserts that Stream.prototype.pipe does not leave listeners
+// hanging on the source or dest.
+
+var common = require('../common');
+var stream = require('stream');
+var assert = require('assert');
+var util = require('util');
+
+function Writable() {
+  this.writable = true;
+  this.endCalls = 0;
+  stream.Stream.call(this);
+}
+util.inherits(Writable, stream.Stream);
+Writable.prototype.end = function() {
+  this.endCalls++;
+};
+
+Writable.prototype.destroy = function() {
+  this.endCalls++;
+};
+
+function Readable() {
+  this.readable = true;
+  stream.Stream.call(this);
+}
+util.inherits(Readable, stream.Stream);
+
+function Duplex() {
+  this.readable = true;
+  Writable.call(this);
+}
+util.inherits(Duplex, Writable);
+
+var i = 0;
+var limit = 100;
+
+var w = new Writable();
+
+var r;
+
+for (i = 0; i < limit; i++) {
+  r = new Readable();
+  r.pipe(w);
+  r.emit('end');
+}
+assert.equal(0, r.listeners('end').length);
+assert.equal(limit, w.endCalls);
+
+w.endCalls = 0;
+
+for (i = 0; i < limit; i++) {
+  r = new Readable();
+  r.pipe(w);
+  r.emit('close');
+}
+assert.equal(0, r.listeners('close').length);
+assert.equal(limit, w.endCalls);
+
+w.endCalls = 0;
+
+r = new Readable();
+
+for (i = 0; i < limit; i++) {
+  w = new Writable();
+  r.pipe(w);
+  w.emit('close');
+}
+assert.equal(0, w.listeners('close').length);
+
+r = new Readable();
+w = new Writable();
+var d = new Duplex();
+r.pipe(d); // pipeline A
+d.pipe(w); // pipeline B
+assert.equal(r.listeners('end').length, 2);   // A.onend, A.cleanup
+assert.equal(r.listeners('close').length, 2); // A.onclose, A.cleanup
+assert.equal(d.listeners('end').length, 2);   // B.onend, B.cleanup
+assert.equal(d.listeners('close').length, 3); // A.cleanup, B.onclose, B.cleanup
+assert.equal(w.listeners('end').length, 0);
+assert.equal(w.listeners('close').length, 1); // B.cleanup
+
+r.emit('end');
+assert.equal(d.endCalls, 1);
+assert.equal(w.endCalls, 0);
+assert.equal(r.listeners('end').length, 0);
+assert.equal(r.listeners('close').length, 0);
+assert.equal(d.listeners('end').length, 2);   // B.onend, B.cleanup
+assert.equal(d.listeners('close').length, 2); // B.onclose, B.cleanup
+assert.equal(w.listeners('end').length, 0);
+assert.equal(w.listeners('close').length, 1); // B.cleanup
+
+d.emit('end');
+assert.equal(d.endCalls, 1);
+assert.equal(w.endCalls, 1);
+assert.equal(r.listeners('end').length, 0);
+assert.equal(r.listeners('close').length, 0);
+assert.equal(d.listeners('end').length, 0);
+assert.equal(d.listeners('close').length, 0);
+assert.equal(w.listeners('end').length, 0);
+assert.equal(w.listeners('close').length, 0);