Fix iOS timestamp precision on iOS

example/src/tests/createdAtTests.ts

@@ -546,3 +546,83 @@ test('conversation createdAt matches streamAll', async () => {
 
   return true
 })
+
+test('group and conversation createdAt has millisecond precision', async () => {
+  // Create three MLS enabled Clients
+  const aliceClient = await Client.createRandom({
+    env: 'local',
+    enableAlphaMls: true,
+  })
+  const bobClient = await Client.createRandom({
+    env: 'local',
+    enableAlphaMls: true,
+  })
+
+  // Alice creates a group
+  const aliceGroup = await aliceClient.conversations.newGroup([
+    bobClient.address,
+  ])
+
+  // Bob creates a conversation
+  const bobConversation = await bobClient.conversations.newConversation(
+    aliceClient.address
+  )
+
+  console.log('Group createdAt: ' + aliceGroup.createdAt)
+  console.log('Conversation createdAt: ' + bobConversation.createdAt)
+  assert(
+    !bobConversation.createdAt.toString().endsWith('000'),
+    'Group createdAt should have millisecond precision, but it is ' +
+      bobConversation.createdAt
+  )
+  assert(
+    !aliceGroup.createdAt.toString().endsWith('000'),
+    'Group createdAt should have millisecond precision, but it is ' +
+      aliceGroup.createdAt
+  )
+
+  return true
+})
+
+test('message timestamp has millisecond precision', async () => {
+  // Create three MLS enabled Clients
+  const aliceClient = await Client.createRandom({
+    env: 'local',
+    enableAlphaMls: true,
+  })
+  const bobClient = await Client.createRandom({
+    env: 'local',
+    enableAlphaMls: true,
+  })
+
+  // Alice creates a group
+  const aliceGroup = await aliceClient.conversations.newGroup([
+    bobClient.address,
+  ])
+
+  // Bob creates a conversation
+  const bobConversation = await bobClient.conversations.newConversation(
+    aliceClient.address
+  )
+
+  await aliceGroup.send('hello')
+  await bobConversation.send('hi')
+
+  const aliceMessage = (await aliceGroup.messages())[0]
+  const bobMessage = (await bobConversation.messages())[0]
+
+  console.log('Group message sent: ' + aliceMessage.sent)
+  console.log('Conversation message sent: ' + bobMessage.sent)
+  assert(
+    !bobMessage.sent.toString().endsWith('000'),
+    'Conversation message sent should have millisecond precision, but it is ' +
+      bobMessage.sent
+  )
+  assert(
+    !aliceMessage.sent.toString().endsWith('000'),
+    'Group message sent should have millisecond precision, but it is ' +
+      aliceMessage.sent
+  )
+
+  return true
+})