From 46dd0aac110f76b9a2161a077ab15f95fac1653e Mon Sep 17 00:00:00 2001
From: Kevin Litchfield <kevinlitchfield@users.noreply.github.com>
Date: Fri, 24 Mar 2017 18:26:28 -0400
Subject: [PATCH] test: fix IE9 rounding issue with lastvolume test (#4230)

#4227 caused an error in IE9 because it returns back a bad float number.
Instead, we toFixed(1) the response
---
 test/unit/controls.test.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/unit/controls.test.js b/test/unit/controls.test.js
index 0b432cd957..00d976059c 100644
--- a/test/unit/controls.test.js
+++ b/test/unit/controls.test.js
@@ -158,7 +158,8 @@ if (Html5.isSupported()) {
 
     muteToggle.handleClick();
 
-    assert.equal(player.volume(), 0.1, 'since lastVolume is less than 0.1, volume is set to 0.1');
+    // `Number.prototype.toFixed()` is used here to circumvent IE9 rounding issues
+    assert.equal(player.volume().toFixed(1), (0.1).toFixed(1), 'since lastVolume is less than 0.1, volume is set to 0.1');
     assert.equal(player.muted(), false, 'muted is set to false');
   });