@Test
public void getTopicMessageCountDetails() throws Exception {
// Arrange
String topicName = "TestGetTopicMessageCountDetails";
service.createTopic(new TopicInfo(topicName)).getValue();
Long expectedActiveMessageCount = 0L;
Long expectedDeadLetterMessageCount = 0L;
Long expectedScheduledMessageCount = 0L;
Long expectedTransferMessageCount = 0L;
Long expectedTransferDeadLetterMessageCount = 0L;
// Act
TopicInfo topicInfo = service.getTopic(topicName).getValue();
MessageCountDetails countDetails = topicInfo.getCountDetails();
// Assert
assertNotNull(topicInfo);
assertNotNull(countDetails);
assertEquals(expectedActiveMessageCount,