queue test: add counter overflow protect

maciejbocianski · maciejbocianski · commit b45d6d6a769c · 2019-08-30T14:04:43.000+02:00
without this fix test_equeue_break_no_windup was failing on IAR
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)

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,10 @@ static void pass_func(void *eh)`
`39`	`39`
`40`	`40`	`static void simple_func(void *p)`
`41`	`41`	`{`
`42`		`- ((reinterpret_cast<uint8_t >(p)))++;`
	`42`	`+ uint8_t d = reinterpret_cast<uint8_t >(p);`
	`43`	`+ if (*d < 255) {`
	`44`	`+ (*d)++;`
	`45`	`+ }`
`43`	`46`	`}`
`44`	`47`
`45`	`48`	`static void sloth_func(void *p)`
Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,10 @@ static void pass_func(void *eh)`
`45`	`45`
`46`	`46`	`static void simple_func(void *p)`
`47`	`47`	`{`
`48`		`- ((reinterpret_cast<uint8_t >(p)))++;`
	`48`	`+ uint8_t d = reinterpret_cast<uint8_t >(p);`
	`49`	`+ if (*d < 255) {`
	`50`	`+ (*d)++;`
	`51`	`+ }`
`49`	`52`	`}`
`50`	`53`
`51`	`54`	`static void sloth_func(void *p)`