fix: topic message warning branch uses xor (#271)

* fix: warning branch uses xor

* fix: message starts with id 1 and removed logs

libs/accelerator/src/lib/topic/message.ts

@@ -4,7 +4,7 @@ declare global {
   }
 }
 
-window['onecxMessageId'] = 0
+window['onecxMessageId'] = 1
 
 export class Message {
   timestamp: number

libs/accelerator/src/lib/topic/topic.spec.ts

@@ -184,6 +184,8 @@ describe('Topic', () => {
 
       // initialize topic
       testTopic1.publish('initMsg')
+
+      jest.resetAllMocks()
     })
 
     it('should have value if incoming id is greater than previous id', () => {
@@ -282,5 +284,20 @@ describe('Topic', () => {
         'Message was dropped because of equal timestamps, because there was an old style message in the system. Please upgrade all libraries to the latest version.'
       )
     })
+
+    it('should have no value and no warning if incoming timestamp is equal to previous timestamp when incoming message has smaller id then current', () => {
+      jest.spyOn(console, 'warn')
+      previousMessage.data = 'msg1'
+      ;(<any>previousMessage).id = 2
+      previousMessage.timestamp = 3
+      incomingMessage.data.data = 'msg2'
+      incomingMessage.data.id = 1
+      incomingMessage.data.timestamp = 3
+      ;(<any>testTopic1).data.next(previousMessage)
+      ;(<any>testTopic1).onMessage(incomingMessage)
+
+      expect(values1).toEqual(['initMsg', 'msg1'])
+      expect(console.warn).toHaveBeenCalledTimes(0)
+    })
   })
 })

libs/accelerator/src/lib/topic/topic.ts

@@ -169,7 +169,7 @@ export class Topic<T> extends TopicPublisher<T> implements Subscribable<T> {
           this.data.value &&
           this.isInit &&
           (<TopicMessage>m.data).timestamp === this.data.value.timestamp &&
-          ((<TopicMessage>m.data).id || this.data.value.id)
+          (((<TopicMessage>m.data).id && !this.data.value.id) || (!(<TopicMessage>m.data).id && this.data.value.id))
         ) {
           console.warn(
             'Message was dropped because of equal timestamps, because there was an old style message in the system. Please upgrade all libraries to the latest version.'