From 484cea1b5651d215a24d3a6827663a4e16a6a253 Mon Sep 17 00:00:00 2001
From: jaubourg <j@ubourg.net>
Date: Wed, 7 Mar 2012 15:39:39 +0100
Subject: [PATCH] Fixes #11426: getting the responseText of an xhr should be
 tried/caught because of IE's inability to give access to binary data. Unit
 test added.

---
 src/ajax/xhr.js   |   8 +++++++-
 test/data/1x1.jpg | Bin 0 -> 693 bytes
 test/unit/ajax.js |  14 ++++++++++++++
 3 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 test/data/1x1.jpg

diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index a87c32392..013863d4e 100644
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -148,7 +148,13 @@ if ( jQuery.support.ajax ) {
 									if ( xml && xml.documentElement /* #4958 */ ) {
 										responses.xml = xml;
 									}
-									responses.text = xhr.responseText;
+
+									// When requesting binary data, IE6-9 will throw an exception
+									// on any attempt to access responseText (#11426)
+									try {
+										responses.text = xhr.responseText;
+									} catch( _ ) {
+									}
 
 									// Firefox throws an exception when accessing
 									// statusText for faulty cross-domain requests
diff --git a/test/data/1x1.jpg b/test/data/1x1.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b0d69110f93be60daf95d40b14fa1a95ebdb7850
GIT binary patch
literal 693
zcmex=<NpH&0WUXCHwH#V1_nkTWcdG&!P+^<)iK0B$VwqSMK`M;HC>_1P|rX?qqI0P
zFI~aY%U!`Mz|~!$%*;qrN1?DZF(<R6Qo&Zi%#`c@Z3brsZVnDE4t8!XPA*;^ZeBqd
zAwhnAK_y8k5gAPtZ7mHIb#+}M2XkEmTLX1<3m;2cXIBqT4{bC5P(Qa22X_xwkRgmb
zyu5<^f{H>yimrO<dafjc{|6WZIY2&QW>jKe5@ci+Wc+`GK_2KyRz@&jfC5G)W)@a9
zb`DN1ZlHp#0t`%y%*;$I%&e>|EI`$@KzRlhK~^C}Lq|5@z(jVXLJ_0Ji3>TDoi-j6
z4Z8S2#W<;`iIYoATtZSxRZU$(Q_IBE%-q7#%Gt%$&E3P(D>x)HEIcAIDmf)JEj=SM
ztGJ}Jth}PKs=1}Lt-YhOYtrN?Q>RUzF>}_U#Y>hhTfSoDs!f}>Y~8kf$Ie}c4j(ys
z?D&b3r!HN-a`oEv8#iw~eDwIq(`V0LynOZX)8{W=zkUDl^B2fpj10^WZvjb&$I$#G
z2=o^d3kx#~JIG&*Oyxk#EXcyDXviky7|5PjD6C}E$RXl1apA^;oXW;QA4HRiE^>*f
um^@Vd2=W@(XT*7|i7cPNJ%;etEe0NDMquPI3o_U<JYKP=>%a^9|2F~d-svC!

literal 0
HcmV?d00001

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 38ce7c479..cca457db1 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -2322,6 +2322,20 @@ test("jQuery.ajax - abort in prefilter", function() {
 
 });
 
+test( "jQuery.ajax - loading binary data shouldn't throw an exception in IE (#11426)", 1, function() {
+	stop();
+	jQuery.ajax( url( "data/1x1.jpg" ), {
+		success: function( data ) {
+			ok( data === undefined || /JFIF/.test( data ) , "success callback reached" );
+			start();
+		},
+		error: function( _, __, error ) {
+			ok( false, "exception thrown: '" + error + "'" );
+			start();
+		}
+	});
+});
+
 test("jQuery.ajax - active counter", function() {
     ok( jQuery.active == 0, "ajax active counter should be zero: " + jQuery.active );
 });