isProgressing becomes isPending. Unit tests added.

src/deferred.js

@@ -21,7 +21,7 @@ jQuery.extend({
 
 				isResolved: doneList.fired,
 				isRejected: failList.fired,
-				isProgressing: function() {
+				isPending: function() {
 					return !progressList.locked();
 				},
 

test/unit/deferred.js

@@ -8,7 +8,7 @@ jQuery.each( [ "", " - new operator" ], function( _, withNew ) {
 
 	test("jQuery.Deferred" + withNew, function() {
 
-		expect( 14 );
+		expect( 20 );
 
 		createDeferred().resolve().then( function() {
 			ok( true , "Success on resolve" );
@@ -37,14 +37,17 @@ jQuery.each( [ "", " - new operator" ], function( _, withNew ) {
 
 		jQuery.each( "resolve reject".split( " " ), function( _, change ) {
 			createDeferred( function( defer ) {
+				ok( defer.isPending(), "pending after creation" );
 				var checked = 0;
 				defer.progress(function( value ) {
 					strictEqual( value, checked, "Progress: right value (" + value + ") received" );
 				});
 				for( checked = 0; checked < 3 ; checked++ ) {
 					defer.notify( checked );
 				}
+				ok( defer.isPending(), "pending after notification" );
 				defer[ change ]();
+				ok( !defer.isPending(), "not pending after " + change );
 				defer.notify();
 			});
 		});