Fix #10177. Pass correct index to function-parameter of .wrap

src/manipulation.js

@@ -117,8 +117,10 @@ jQuery.fn.extend({
 	},
 
 	wrap: function( html ) {
-		return this.each(function() {
-			jQuery( this ).wrapAll( html );
+		var isFunction = jQuery.isFunction( html );
+
+		return this.each(function(i) {
+			jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
 		});
 	},
 

test/unit/manipulation.js

@@ -135,7 +135,34 @@ test("wrap(String|Element)", function() {
 
 test("wrap(Function)", function() {
 	testWrap(functionReturningObj);
-})
+});
+
+test("wrap(Function) with index (#10177)", function() {
+	var expectedIndex = 0,
+	    targets = jQuery("#qunit-fixture p");
+
+	expect(targets.length);
+	targets.wrap(function(i) {
+		equal( i, expectedIndex, "Check if the provided index (" + i + ") is as expected (" + expectedIndex + ")" );
+		expectedIndex++;
+
+		return "<div id='wrap_index_'" + i + "'></div>";
+	});
+});
+
+test("wrap(String) consecutive elements (#10177)", function() {
+	var targets = jQuery("#qunit-fixture p");
+
+	expect(targets.length * 2);
+	targets.wrap("<div class='wrapper'></div>");
+
+	targets.each(function() {
+		var $this = jQuery(this);
+
+		ok( $this.parent().is('.wrapper'), "Check each elements parent is correct (.wrapper)" );
+		equal( $this.siblings().length, 0, "Each element should be wrapped individually" );
+	});
+});
 
 var testWrapAll = function(val) {
 	expect(8);