Adds the matchOnOptions helper

.gitignore

@@ -27,3 +27,4 @@ logs
 Gemfile.lock
 bin/
 src/jquery.continuations.Docs/pak-WebContent.zip
+docs

src/jquery.continuations/content/scripts/jquery.continuations.js

@@ -31,6 +31,11 @@
             return typeof(this[prop]) !== 'undefined' && predicate(this[prop]);
         },
         matchOnOption: function(prop, predicate) {
+            if(typeof(predicate) != 'function') {
+                predicate = function() { return true; };
+            }
+
+            return typeof(this.options[prop]) !== 'undefined' && predicate(this.options[prop]);
         },
         isCorrelated: function () {
             return this.matchOnProperty('correlationId', function(id) {

src/jquery.continuations/content/scripts/specs/jquery.continuations.spec.js

@@ -770,6 +770,20 @@ describe('continuation tester', function() {
 		theContinuation.correlationId = '123';
 		expect(theContinuation.isCorrelated()).toEqual(true);
 	});
+
+    it('matching on options', function() {
+        theContinuation.options.myProperty = '123';
+        var match = theContinuation.matchOnOption('myProperty', function(x) { return x == '123' });
+
+        expect(match).toEqual(true);
+    });
+
+    it('matching on options (negative)', function() {
+        theContinuation.options.myProperty = '123';
+        var match = theContinuation.matchOnOption('myProperty', function(x) { return x == '345' });
+
+        expect(match).toEqual(false);
+    });
 });
 
 // And now for the error handling