test: test case for nodejs#1479, nodejs#1923

Verify that EventEmitter.setMaxListeners() does not corrupt the queue for the 'maxListeners' event.
bnoordhuis · Oct 25, 2011 · 06502b6 · 06502b6
1 parent 239b3d6
commit 06502b6
Showing 1 changed file with 41 additions and 0 deletions.
diff --git a/test/simple/test-event-emitter-max-listeners.js b/test/simple/test-event-emitter-max-listeners.js
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+// 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');
+
+var gotEvent = false;
+
+process.on('exit', function() {
+  assert(gotEvent);
+});
+
+var e = new events.EventEmitter();
+
+e.on('maxListeners', function() {
+  gotEvent = true;
+});
+
+// Should not corrupt the 'maxListeners' queue.
+e.setMaxListeners(42);
+
+e.emit('maxListeners');