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, 80 insertions, 0 deletions

diff --git a/test/parallel/test-event-emitter-remove-all-listeners.js b/test/parallel/test-event-emitter-remove-all-listeners.js
new file mode 100644
index 0000000000..f9848d6823
--- /dev/null
+++ b/test/parallel/test-event-emitter-remove-all-listeners.js
@@ -0,0 +1,80 @@
+// 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');
+var assert = require('assert');
+var events = require('events');
+
+
+function expect(expected) {
+  var actual = [];
+  process.on('exit', function() {
+    assert.deepEqual(actual.sort(), expected.sort());
+  });
+  function listener(name) {
+    actual.push(name)
+  }
+  return common.mustCall(listener, expected.length);
+}
+
+function listener() {}
+
+var e1 = new events.EventEmitter();
+e1.on('foo', listener);
+e1.on('bar', listener);
+e1.on('baz', listener);
+e1.on('baz', listener);
+var fooListeners = e1.listeners('foo');
+var barListeners = e1.listeners('bar');
+var bazListeners = e1.listeners('baz');
+e1.on('removeListener', expect(['bar', 'baz', 'baz']));
+e1.removeAllListeners('bar');
+e1.removeAllListeners('baz');
+assert.deepEqual(e1.listeners('foo'), [listener]);
+assert.deepEqual(e1.listeners('bar'), []);
+assert.deepEqual(e1.listeners('baz'), []);
+// after calling removeAllListeners,
+// the old listeners array should stay unchanged
+assert.deepEqual(fooListeners, [listener]);
+assert.deepEqual(barListeners, [listener]);
+assert.deepEqual(bazListeners, [listener, listener]);
+// after calling removeAllListeners,
+// new listeners arrays are different from the old
+assert.notEqual(e1.listeners('bar'), barListeners);
+assert.notEqual(e1.listeners('baz'), bazListeners);
+
+var e2 = new events.EventEmitter();
+e2.on('foo', listener);
+e2.on('bar', listener);
+// expect LIFO order
+e2.on('removeListener', expect(['foo', 'bar', 'removeListener']));
+e2.on('removeListener', expect(['foo', 'bar']));
+e2.removeAllListeners();
+console.error(e2);
+assert.deepEqual([], e2.listeners('foo'));
+assert.deepEqual([], e2.listeners('bar'));
+
+var e3 = new events.EventEmitter();
+e3.on('removeListener', listener);
+// check for regression where removeAllListeners throws when
+// there exists a removeListener listener, but there exists
+// no listeners for the provided event type
+assert.doesNotThrow(e3.removeAllListeners.bind(e3, 'foo'));