Create a TRY CATCH macro for unit tests

Author: nicolas-rabault

test/_resources/Unity/unit_test.c

@@ -19,6 +19,10 @@ ut_luos_assert_t ut_assert = {.state = 0, .enable = 1};
 uint16_t test_case_number;
 uint16_t step_number;
 
+// external error context
+jmp_buf err_ctx;
+bool try_state = false;
+
 /*******************************************************************************
  * Function
  ******************************************************************************/
@@ -192,6 +196,12 @@ void UNIT_TEST_ASSERT(char *file, uint32_t line)
     memcpy(msg.data, &line, sizeof(line));
     memcpy(&msg.data[sizeof(line)], file, strlen(file));
     ut_assert.msg = msg;
+    // This is the THROW of the TRY CATCH
+    if (try_state)
+    {
+        _LONGJMP(err_ctx, 1);
+        try_state = false;
+    }
 }
 
 void setUp(void)

test/_resources/Unity/unit_test.h

@@ -13,10 +13,22 @@
 #include "luos_engine.h"
 #include "luos_utils.h"
 #include "robus_struct.h"
+#include <setjmp.h>
 
 /*******************************************************************************
  * Definitions
  ******************************************************************************/
+#ifdef _WIN32
+    #define _SETJMP  __builtin_setjmp
+    #define _LONGJMP __builtin_longjmp
+#else
+    #define _SETJMP  setjmp
+    #define _LONGJMP longjmp
+#endif
+
+extern jmp_buf err_ctx;
+extern bool try_state;
+
 #ifndef UNIT_TEST_RUN
     #define UNIT_TEST_RUN(f) RUN(#f, f)
 #endif
@@ -32,6 +44,12 @@ typedef struct
     msg_t msg;
 } ut_luos_assert_t;
 
+#define TRY           \
+    try_state = true; \
+    if (!_SETJMP(err_ctx))
+
+#define CATCH else
+
 /*******************************************************************************
  * Function
  ******************************************************************************/