queue test: add counter overflow protect

without this fix test_equeue_break_no_windup was failing on IAR
ARMmbed · Aug 30, 2019 · b45d6d6 · b45d6d6
1 parent 6440aea
commit b45d6d6
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git 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
@@ -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)