Fixed serializing arrays (bug #448)

src/ajax/ajax.js

@@ -712,10 +712,10 @@ jQuery.extend({
 		} else {
 			// Serialize the key/values
 			for ( var j in a ) {
-				//if one value is array then treat each array value in part
-				if (typeof a[j] == 'object') {
+				// If the value is an array then the key names need to be repeated
+				if( a[j].constructor == Array ) {
 					for (var k = 0; k < a[j].length; k++) {
-						s.push( j + "[]=" + encodeURIComponent( a[j][k] ) );
+						s.push( j + "=" + encodeURIComponent( a[j][k] ) );
 					}
 				} else {
 					s.push( j + "=" + encodeURIComponent( a[j] ) );

src/ajax/ajaxTest.js

 module("ajax");
 
+test("serialize()", function() {
+	expect(1);
+	var data = $(':input').not('button').serialize();
+	// ignore button, IE takes text content as value, not relevant for this test
+	ok( data == 'action=Test&text2=Test&radio1=on&radio2=on&check=on&=on&hidden=&foo[bar]=&name=name&=foobar&select1=&select2=3&select3=1', 'Check form serialization as query string' );
+});
+
+test("param", function() {
+	expect(4);
+	var params = {foo:"bar", baz:42, quux:"All your base are belong to us"};
+	ok( $.param(params) == "foo=bar&baz=42&quux=All%20your%20base%20are%20belong%20to%20us", "simple" );
+	
+	params = {someName: [1, 2, 3], regularThing: "blah" };
+	ok( $.param(params) == "someName=1&someName=2&someName=3&regularThing=blah", "with array" );
+	
+	params = {"foo[]":["baz", 42, "All your base are belong to us"]};
+	ok( $.param(params) == "foo[]=baz&foo[]=42&foo[]=All%20your%20base%20are%20belong%20to%20us", "more array" );
+	
+	params = {"foo[bar]":"baz", "foo[beep]":42, "foo[quux]":"All your base are belong to us"};
+	ok( $.param(params) == "foo[bar]=baz&foo[beep]=42&foo[quux]=All%20your%20base%20are%20belong%20to%20us", "even more arrays" );
+});
+
 test("load(String, Object, Function) - simple: inject text into DOM", function() {
 	expect(2);
 	stop();
@@ -32,13 +54,6 @@ test("load(String, Object, Function) - check scripts", function() {
 	});
 });
 
-test("serialize()", function() {
-	expect(1);
-	var data = $(':input').not('button').serialize();
-	// ignore button, IE takes text content as value, not relevant for this test
-	ok( data == 'action=Test&text2=Test&radio1=on&radio2=on&check=on&=on&hidden=&foo[bar]=&name=name&=foobar&select1=&select2=3&select3=1', 'Check form serialization as query string' );
-});
-
 test("test global handlers - success", function() {
 	expect(6);
 	stop();