From a6b6114bd02bee7ea6a990703d5c7e513e1146c0 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Tue, 30 Aug 2016 19:15:34 +0200
Subject: [PATCH] events: make memory leak warning name more verbose

Switch from a generic `Warning` to the more specific
`MaxListenersExceededWarning`.

Ref: https://github.com/nodejs/node/pull/8298
---
 doc/api/events.md                                         | 1 +
 lib/events.js                                             | 2 +-
 test/parallel/test-event-emitter-max-listeners-warning.js | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/api/events.md b/doc/api/events.md
index 6b19287881c132..f600321b0d35b2 100644
--- a/doc/api/events.md
+++ b/doc/api/events.md
@@ -285,6 +285,7 @@ The emitted warning can be inspected with [`process.on('warning')`][] and will
 have the additional `emitter`, `type` and `count` properties, referring to
 the event emitter instance, the event’s name and the number of attached
 listeners, respectively.
+Its `name` property is set to `'MaxListenersExceededWarning'`.
 
 ### emitter.addListener(eventName, listener)
 <!-- YAML
diff --git a/lib/events.js b/lib/events.js
index 162833b785c3da..d676580df3398f 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -259,7 +259,7 @@ function _addListener(target, type, listener, prepend) {
         const w = new Error('Possible EventEmitter memory leak detected. ' +
                             `${existing.length} ${type} listeners added. ` +
                             'Use emitter.setMaxListeners() to increase limit');
-        w.name = 'Warning';
+        w.name = 'MaxListenersExceededWarning';
         w.emitter = target;
         w.type = type;
         w.count = existing.length;
diff --git a/test/parallel/test-event-emitter-max-listeners-warning.js b/test/parallel/test-event-emitter-max-listeners-warning.js
index bcbb583265805c..717315cf6329f1 100644
--- a/test/parallel/test-event-emitter-max-listeners-warning.js
+++ b/test/parallel/test-event-emitter-max-listeners-warning.js
@@ -11,7 +11,7 @@ e.setMaxListeners(1);
 
 process.on('warning', common.mustCall((warning) => {
   assert.ok(warning instanceof Error);
-  assert.strictEqual(warning.name, 'Warning');
+  assert.strictEqual(warning.name, 'MaxListenersExceededWarning');
   assert.strictEqual(warning.emitter, e);
   assert.strictEqual(warning.count, 2);
   assert.strictEqual(warning.type, 'event-type');