Merge pull request robfig#52 from tdterry/master

Correctly schedule new entries

cron.go

@@ -164,7 +164,7 @@ func (c *Cron) run() {
 
 		case newEntry := <-c.add:
 			c.entries = append(c.entries, newEntry)
-			newEntry.Next = newEntry.Schedule.Next(now)
+			newEntry.Next = newEntry.Schedule.Next(time.Now().Local())
 
 		case <-c.snapshot:
 			c.snapshot <- c.entrySnapshot()

cron_test.go

@@ -77,6 +77,22 @@ func TestAddWhileRunning(t *testing.T) {
 	}
 }
 
+// Test for #34. Adding a job after calling start results in multiple job invocations
+func TestAddWhileRunningWithDelay(t *testing.T) {
+	cron := New()
+	cron.Start()
+	defer cron.Stop()
+	time.Sleep(5 * time.Second)
+	var calls = 0
+	cron.AddFunc("* * * * * *", func() { calls += 1 });
+
+	<- time.After(ONE_SECOND)
+	if calls != 1 {
+		fmt.Printf("called %d times, expected 1\n", calls)
+		t.Fail()
+	}
+}
+
 // Test timing with Entries.
 func TestSnapshotEntries(t *testing.T) {
 	wg := &sync.WaitGroup{}