Use minimum of the number of bytes or 128 (#259)

Thank you @johnmurphy01 for the fix.
awslabs · Aug 6, 2019 · 0fa8d87 · 0fa8d87
1 parent 72e36f4
commit 0fa8d87
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/AWSAppSyncClient/AWSAppSyncSubscriptionWatcher.swift b/AWSAppSyncClient/AWSAppSyncSubscriptionWatcher.swift
@@ -242,7 +242,7 @@ public final class AWSAppSyncSubscriptionWatcher<Subscription: GraphQLSubscripti
     func messageCallbackDelegate(data: Data) {
         do {
             AppSyncLog.debug("Received message")
-            AppSyncLog.verbose("First 128 bytes of message data is [\(data.prefix(upTo: 128))]")
+            AppSyncLog.verbose("First \(min(data.count, 128)) bytes of message data is [\(data.prefix(upTo: min(data.count, 128)))]")
 
             guard String(data: data, encoding: .utf8) != nil else {
                 let error = AWSAppSyncSubscriptionError.messageCallbackError("Unable to convert message data to String using UTF8 encoding")