From b45d6d6a769cf488ffd360d3666f471bf575fc0b Mon Sep 17 00:00:00 2001
From: Maciej Bocianski <maciej.bocianski@gmail.com>
Date: Fri, 30 Aug 2019 09:36:37 +0200
Subject: [PATCH] queue test: add counter overflow protect

without this fix test_equeue_break_no_windup was failing on IAR
---
 TESTS/events/equeue/main.cpp            | 5 ++++-
 UNITTESTS/events/equeue/test_equeue.cpp | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/TESTS/events/equeue/main.cpp b/TESTS/events/equeue/main.cpp
index 79ed14caa5f..98288859fbf 100644
--- a/TESTS/events/equeue/main.cpp
+++ b/TESTS/events/equeue/main.cpp
@@ -39,7 +39,10 @@ static void pass_func(void *eh)
 
 static void simple_func(void *p)
 {
-    (*(reinterpret_cast<uint8_t *>(p)))++;
+    uint8_t *d = reinterpret_cast<uint8_t *>(p);
+    if (*d < 255) {
+        (*d)++;
+    }
 }
 
 static void sloth_func(void *p)
diff --git a/UNITTESTS/events/equeue/test_equeue.cpp b/UNITTESTS/events/equeue/test_equeue.cpp
index 0fab6e94195..cb93134b281 100644
--- a/UNITTESTS/events/equeue/test_equeue.cpp
+++ b/UNITTESTS/events/equeue/test_equeue.cpp
@@ -45,7 +45,10 @@ static void pass_func(void *eh)
 
 static void simple_func(void *p)
 {
-    (*(reinterpret_cast<uint8_t *>(p)))++;
+    uint8_t *d = reinterpret_cast<uint8_t *>(p);
+    if (*d < 255) {
+        (*d)++;
+    }
 }
 
 static void sloth_func(void *p)