Add tests for err on invalid exclusions

test/test_0.2.x.js

@@ -987,6 +987,40 @@ describe('ical-generator 0.2.x / ICalCalendar', function() {
                     });
                 }, /`repeating\.byMonthDay` contains invalid value `32`/);
             });
+
+            it('should throw error when repeating.exclude is not valid', function() {
+                var cal = ical();
+                assert.throws(function() {
+                    cal.createEvent({
+                        start: new Date(),
+                        end: new Date(),
+                        summary: 'test',
+                        repeating: {
+                            freq: 'DAILY',
+                            interval: 2,
+                            byDay: ['SU'],
+                            exclude: 'FOO'
+                        }
+                    });
+                }, /`repeating\.exclude` contains invalid value `FOO`/);
+            });
+
+            it('should throw error when repeating.exclude is not valid (should throw on first err value', function() {
+                var cal = ical();
+                assert.throws(function() {
+                    cal.createEvent({
+                        start: new Date(),
+                        end: new Date(),
+                        summary: 'test',
+                        repeating: {
+                            freq: 'DAILY',
+                            interval: 2,
+                            byDay: ['SU'],
+                            exclude: [new Date(), 'BAR', 'FOO']
+                        }
+                    });
+                }, /`repeating\.exclude` contains invalid value `BAR`/);
+            });
         });
 
         describe('summary()', function() {