Corrected the deprecation warning when subscribing to or unsubscribing from a topic (#1425)

1 files changed, 9 insertions, 0 deletions

diff --git a/Example/Messaging/Tests/FIRMessagingPubSubTest.m b/Example/Messaging/Tests/FIRMessagingPubSubTest.m
index 3af1402..e1260f5 100644
--- a/Example/Messaging/Tests/FIRMessagingPubSubTest.m
+++ b/Example/Messaging/Tests/FIRMessagingPubSubTest.m
@@ -78,4 +78,13 @@ static NSString *const kTopicName = @"topic-Name";
   XCTAssertTrue([FIRMessagingPubSub isValidTopicWithPrefix:topic]);
 }
 
+- (void)testRemoveTopicPrefix {
+    NSString *topic = [NSString stringWithFormat:@"/topics/%@", kTopicName];
+    topic = [FIRMessagingPubSub removePrefixFromTopic:topic];
+    XCTAssertEqualObjects(topic, kTopicName);
+    // if the topic doesn't have the prefix, should return topic itself.
+    topic = [FIRMessagingPubSub removePrefixFromTopic:kTopicName];
+    XCTAssertEqualObjects(topic, kTopicName);
+}
+
 @end