From 643a6939ae94fdfc28ed848900852e05454b8d6a Mon Sep 17 00:00:00 2001
From: Alsey Coleman Miller <alseycmiller@gmail.com>
Date: Mon, 27 Nov 2017 20:21:30 -0500
Subject: [PATCH] Added preconditions for HCI LE commands

---
 Sources/LowEnergyCommandParameter.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Sources/LowEnergyCommandParameter.swift b/Sources/LowEnergyCommandParameter.swift
index 03cc8803a..8ea2b98a3 100644
--- a/Sources/LowEnergyCommandParameter.swift
+++ b/Sources/LowEnergyCommandParameter.swift
@@ -26,6 +26,8 @@ public extension LowEnergyCommand {
         
         public init(data: LowEnergyAdvertisingData, length: UInt8) {
             
+            precondition(length <= 31, "LE Advertising Data can only be 31 octets")
+            
             self.length = length
             self.data = data
         }
@@ -156,6 +158,8 @@ public extension LowEnergyCommand {
         
         public init(data: LowEnergyScanData, length: UInt8) {
             
+            precondition(length <= 31, "LE Scan Response Data can only be 31 octets")
+            
             self.length = length
             self.data = data
         }