1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/events/tests/once.js b/node_modules/events/tests/once.js
new file mode 100644
index 000000000..61453191f
--- /dev/null
+++ b/node_modules/events/tests/once.js
@@ -0,0 +1,59 @@
+// 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 assert = require('assert');
+var events = require('../');
+
+var e = new events.EventEmitter();
+var times_hello_emited = 0;
+
+e.once('hello', function(a, b) {
+  times_hello_emited++;
+});
+
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+e.emit('hello', 'a', 'b');
+
+var remove = function() {
+  assert.fail(1, 0, 'once->foo should not be emitted', '!');
+};
+
+e.once('foo', remove);
+e.removeListener('foo', remove);
+e.emit('foo');
+
+var times_recurse_emitted = 0;
+
+e.once('e', function() {
+	e.emit('e');
+	times_recurse_emitted++;
+});
+
+e.once('e', function() {
+	times_recurse_emitted++;
+});
+
+e.emit('e');
+
+assert.equal(1, times_hello_emited);
+assert.equal(2, times_recurse_emitted);