Fix data empty crash

xuaninbox · xuaninbox · commit bde332fc6076 · 2019-04-02T15:52:14.000-07:00
diff --git a/.gitignore b/.gitignore
@@ -7,3 +7,4 @@ Pods
 Example/AmazonFreeRTOSDemo/AmazonFreeRTOSDemo/Support/awsconfiguration.json
 Example/AmazonFreeRTOSDemo/AmazonFreeRTOSDemo/Amazon/AmazonConstants.swift
 xcodebuild.log
+InternalTest
diff --git a/AmazonFreeRTOS/AmazonFreeRTOSManager.swift b/AmazonFreeRTOS/AmazonFreeRTOSManager.swift
@@ -1006,7 +1006,7 @@ extension AmazonFreeRTOSManager {
     }
 
     private func decode<T: Decborable>(_: T.Type, from data: Data) -> T? {
-        if let decoded = CBOR.decode(Array([UInt8](data))) as? NSDictionary {
+        if !data.isEmpty, let decoded = CBOR.decode(Array([UInt8](data))) as? NSDictionary {
             return T.toSelf(dictionary: decoded)
         }
         return nil

Original file line number	Diff line number	Diff line change
`@@ -1006,7 +1006,7 @@ extension AmazonFreeRTOSManager {`
`1006`	`1006`	`}`
`1007`	`1007`
`1008`	`1008`	`private func decode<T: Decborable>(_: T.Type, from data: Data) -> T? {`
`1009`		`- if let decoded = CBOR.decode(Array([UInt8](data))) as? NSDictionary {`
	`1009`	`+ if !data.isEmpty, let decoded = CBOR.decode(Array([UInt8](data))) as? NSDictionary {`
`1010`	`1010`	`return T.toSelf(dictionary: decoded)`
`1011`	`1011`	`}`
`1012`	`1012`	`return nil`