Core: move jQuery.fn.nodeName to jQuery.nodeName, add tests

Ref ac9e3016
Close gh-3560

2 files changed, 50 insertions, 2 deletions

diff --git a/src/deprecated.js b/src/deprecated.js
index a18089c41..195ce7ad9 100644
--- a/src/deprecated.js
+++ b/src/deprecated.js
@@ -30,11 +30,11 @@ jQuery.fn.extend( {
 		} else {
 			jQuery.ready( true );
 		}
-},
-	nodeName: nodeName
+	}
 } );
 
 jQuery.isArray = Array.isArray;
 jQuery.parseJSON = JSON.parse;
+jQuery.nodeName = nodeName;
 
 } );
diff --git a/test/unit/deprecated.js b/test/unit/deprecated.js
index b56af0ffe..5c05d9b00 100644
--- a/test/unit/deprecated.js
+++ b/test/unit/deprecated.js
@@ -116,3 +116,51 @@ QUnit.test( "jQuery.isArray", function( assert ) {
 
 	assert.strictEqual( jQuery.isArray, Array.isArray, "Array.isArray equals jQuery.isArray" );
 } );
+
+QUnit.test( "jQuery.nodeName", function( assert ) {
+	assert.expect( 8 );
+
+	assert.strictEqual( typeof jQuery.nodeName, "function", "jQuery.nodeName is a function" );
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "div" ), "div" ),
+		true,
+		"Basic usage (true)"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "div" ), "span" ),
+		false,
+		"Basic usage (false)"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "div" ), "DIV" ),
+		true,
+		"Ignores case in the name parameter"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "section" ), "section" ),
+		true,
+		"Works on HTML5 tags (true)"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "section" ), "article" ),
+		false,
+		"Works on HTML5 tags (false)"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "custom-element" ), "custom-element" ),
+		true,
+		"Works on custom elements (true)"
+	);
+
+	assert.strictEqual(
+		jQuery.nodeName( document.createElement( "custom-element" ), "my-element" ),
+		false,
+		"Works on custom elements (true)"
+	);
+} );