From b02fdef05955a68184c458d5162a7d3174056f8f Mon Sep 17 00:00:00 2001
From: Garrett Singer <gesinger@gmail.com>
Date: Fri, 20 Nov 2015 17:21:55 -0800
Subject: [PATCH] Check for text track changes that occurred before tech was
 listening

---
 src/js/tech/tech.js             |  1 +
 test/unit/tracks/tracks.test.js | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/js/tech/tech.js b/src/js/tech/tech.js
index 866bf81a93..b7d76dd283 100644
--- a/src/js/tech/tech.js
+++ b/src/js/tech/tech.js
@@ -335,6 +335,7 @@ class Tech extends Component {
       }
     });
 
+    textTracksChanges();
     tracks.addEventListener('change', textTracksChanges);
 
     this.on('dispose', function() {
diff --git a/test/unit/tracks/tracks.test.js b/test/unit/tracks/tracks.test.js
index 7a51f465b9..7b0663259c 100644
--- a/test/unit/tracks/tracks.test.js
+++ b/test/unit/tracks/tracks.test.js
@@ -342,3 +342,13 @@ if (Html5.supportsNativeTextTracks()) {
     emulatedTt.on('addtrack', addtrack);
   });
 }
+
+test('should check for text track changes when emulating text tracks', function() {
+  let tech = new Tech();
+  let numTextTrackChanges = 0;
+  tech.on('texttrackchange', function() {
+    numTextTrackChanges++;
+  });
+  tech.emulateTextTracks();
+  equal(numTextTrackChanges, 1, 'we got a texttrackchange event');
+});