From 087409679716f85fff6fa497a3b7efd1620e31ec Mon Sep 17 00:00:00 2001
From: Jason Bedard <jason+github@jbedard.ca>
Date: Sun, 23 Aug 2015 14:23:35 -0700
Subject: [PATCH] Tests: do not create data cache when fetching single property

(test cherry-picked from f5bf9bc48897e3b8f050d87d02252c8be456044a)
Refs gh-2554
---
 test/unit/data.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/unit/data.js b/test/unit/data.js
index e5ee6d184..adade2a5f 100644
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -1121,3 +1121,19 @@ testIframeWithCallback(
 		);
 	}
 );
+
+QUnit.test( ".data(prop) does not create expando", function( assert ) {
+	assert.expect( 1 );
+
+	var key,
+		div = jQuery( "<div/>" );
+
+	div.data("foo");
+	assert.equal( false, jQuery.hasData( div[0] ) );
+	// Make sure no expando has been added
+	for ( key in div[ 0 ] ) {
+		if ( /^jQuery/.test( key ) ) {
+			assert.ok( false, "Expando was created on access" );
+		}
+	}
+} );
-- 
2.39.5