From: Michael Stillwell <mjs@beebo.org>
Date: Tue, 9 Feb 2010 22:32:52 +0000 (+0000)
Subject: Add test: modifying event listeners during callback.
X-Git-Tag: v0.1.29~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9f6f19df1bab8bd3bad0ec00ed0489957c7cfacf;p=platform%2Fupstream%2Fnodejs.git

Add test: modifying event listeners during callback.
---

diff --git a/test/mjsunit/test-event-emitter-modify-in-emit.js b/test/mjsunit/test-event-emitter-modify-in-emit.js
new file mode 100644
index 0000000..7bb2eb3
--- /dev/null
+++ b/test/mjsunit/test-event-emitter-modify-in-emit.js
@@ -0,0 +1,32 @@
+process.mixin(require("./common"));
+var events = require('events');
+
+var callbacks_called = [ ];
+
+var e = new events.EventEmitter();
+
+function callback1() {
+    callbacks_called.push("callback1");
+    e.addListener("foo", callback2);
+    e.removeListener("foo", callback1);
+}
+
+function callback2() {
+    callbacks_called.push("callback2");
+    e.removeListener("foo", callback2);
+}
+
+e.addListener("foo", callback1);
+assert.equal(1, e.listeners("foo").length);
+
+e.emit("foo");
+assert.equal(1, e.listeners("foo").length);
+assert.deepEqual(["callback1"], callbacks_called);
+
+e.emit("foo");
+assert.equal(0, e.listeners("foo").length);
+assert.deepEqual(["callback1", "callback2"], callbacks_called);
+
+e.emit("foo");
+assert.equal(0, e.listeners("foo").length);
+assert.deepEqual(["callback1", "callback2"], callbacks_called);