From f00567c95d74a5edd5d577ef68be98e5262a12dd Mon Sep 17 00:00:00 2001
From: Outsider <outsideris@gmail.com>
Date: Tue, 29 May 2018 03:49:03 +0900
Subject: [PATCH] fix runner to emit start/end event

Signed-off-by: Outsider <outsideris@gmail.com>
---
 lib/runner.js           |  9 +++++++--
 test/unit/mocha.spec.js | 14 ++++++++++++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/lib/runner.js b/lib/runner.js
index 6aefb34cce..801ef29fc2 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -845,10 +845,15 @@ Runner.prototype.run = function(fn) {
       filterOnly(rootSuite);
     }
     self.started = true;
-    self.emit('start');
+    Runner.immediately(function() {
+      self.emit('start');
+    });
+
     self.runSuite(rootSuite, function() {
       debug('finished running');
-      self.emit('end');
+      Runner.immediately(function() {
+        self.emit('end');
+      });
     });
   }
 
diff --git a/test/unit/mocha.spec.js b/test/unit/mocha.spec.js
index 3f7145834c..9e10313c52 100644
--- a/test/unit/mocha.spec.js
+++ b/test/unit/mocha.spec.js
@@ -34,6 +34,20 @@ describe('Mocha', function() {
         });
       }
     );
+
+    it('should emit start event', function(done) {
+      var mocha = new Mocha(blankOpts);
+      mocha.run(function() {}).on('start', function() {
+        done();
+      });
+    });
+
+    it('should emit end event', function(done) {
+      var mocha = new Mocha(blankOpts);
+      mocha.run(function() {}).on('end', function() {
+        done();
+      });
+    });
   });
 
   describe('.addFile()', function() {