diff --git a/legacy/eobj/examples/composite_objects/main.c b/legacy/eobj/examples/composite_objects/main.c
index ce61260952..531bfe50a7 100644
--- a/legacy/eobj/examples/composite_objects/main.c
+++ b/legacy/eobj/examples/composite_objects/main.c
@@ -2,6 +2,8 @@
 #include "simple.h"
 #include "comp.h"
 
+#include "../eunit_tests.h"
+
 static int cb_called = EINA_FALSE;
 
 static Eina_Bool
@@ -29,18 +31,11 @@ main(int argc, char *argv[])
 
    int a;
    eobj_do(obj, SIMPLE_A_SET(1));
-   if (!cb_called)
-     {
-        printf("Error! %d\n", __LINE__);
-        return 1;
-     }
+   fail_if(!cb_called);
 
    eobj_do(obj, SIMPLE_A_GET(&a));
-   if (a != 1)
-     {
-        printf("Error! %d\n", __LINE__);
-        return 1;
-     }
+   fail_if(a != 1);
+
    eobj_unref(obj);
 
    eobj_shutdown();
diff --git a/legacy/eobj/examples/constructors/main.c b/legacy/eobj/examples/constructors/main.c
index a684d01031..70a9ecb6ff 100644
--- a/legacy/eobj/examples/constructors/main.c
+++ b/legacy/eobj/examples/constructors/main.c
@@ -5,6 +5,8 @@
 #include "simple4.h"
 #include "mixin.h"
 
+#include "../eunit_tests.h"
+
 int my_init_count = 0;
 
 int
@@ -17,11 +19,7 @@ main(int argc, char *argv[])
 
    Eobj *obj = eobj_add(SIMPLE_CLASS, NULL);
 
-   if (my_init_count != 2)
-     {
-        printf("Error! my_init_count == %d\n", my_init_count);
-        ret = 1;
-     }
+   fail_if(my_init_count != 2);
 
    eobj_do(obj, SIMPLE_A_SET(1), SIMPLE_B_SET(2));
 
@@ -30,42 +28,22 @@ main(int argc, char *argv[])
 
    eobj_unref(obj);
 
-   if (my_init_count != 0)
-     {
-        printf("Error! my_init_count == %d\n", my_init_count);
-        ret = 1;
-     }
+   fail_if(my_init_count != 0);
 
    obj = eobj_add(SIMPLE2_CLASS, NULL);
-   if (obj)
-     {
-        printf("Error! obj is supposed to be NULL.\n");
-        ret = 1;
-     }
+   fail_if(obj);
 
    obj = eobj_add(SIMPLE3_CLASS, NULL);
-   if (obj)
-     {
-        printf("Error! obj is supposed to be NULL.\n");
-        ret = 1;
-     }
+   fail_if(obj);
 
    my_init_count = 0;
    obj = eobj_add(SIMPLE4_CLASS, NULL);
 
-   if (my_init_count != 2)
-     {
-        printf("Error! my_init_count == %d\n", my_init_count);
-        ret = 1;
-     }
+   fail_if(my_init_count != 2);
 
    eobj_unref(obj);
 
-   if (my_init_count != 0)
-     {
-        printf("Error! my_init_count == %d\n", my_init_count);
-        ret = 1;
-     }
+   fail_if(my_init_count != 0);
 
    eobj_shutdown();
    return ret;
diff --git a/legacy/eobj/examples/eunit_tests.h b/legacy/eobj/examples/eunit_tests.h
new file mode 100644
index 0000000000..000d18c015
--- /dev/null
+++ b/legacy/eobj/examples/eunit_tests.h
@@ -0,0 +1,17 @@
+#ifndef _EUNIT_TESTS_H
+#define _EUNIT_TESTS_H
+
+#define _EUNIT_EXIT_CODE 1
+
+#define fail_if(x) \
+   do { \
+        if (x) \
+          { \
+             fprintf(stderr, "%s:%d - Failure '%s' is TRUE.", \
+                   __FILE__, __LINE__, # x); \
+             exit(_EUNIT_EXIT_CODE); \
+          } \
+   } while (0)
+
+#endif
+
diff --git a/legacy/eobj/examples/function_overrides/main.c b/legacy/eobj/examples/function_overrides/main.c
index 9715a9b2a1..b026a576ce 100644
--- a/legacy/eobj/examples/function_overrides/main.c
+++ b/legacy/eobj/examples/function_overrides/main.c
@@ -4,6 +4,8 @@
 #include "inherit2.h"
 #include "inherit3.h"
 
+#include "../eunit_tests.h"
+
 int
 main(int argc, char *argv[])
 {
@@ -15,20 +17,15 @@ main(int argc, char *argv[])
 
    eobj_do(obj, SIMPLE_A_SET(1));
    Simple_Public_Data *pd = eobj_data_get(obj, SIMPLE_CLASS);
-   if (pd->a != 2)
-     {
-        return 1;
-     }
+   fail_if(pd->a != 2);
+
    eobj_unref(obj);
 
    obj = eobj_add(INHERIT3_CLASS, NULL);
 
    eobj_do(obj, SIMPLE_A_SET(1));
    pd = eobj_data_get(obj, SIMPLE_CLASS);
-   if (pd->a != 3)
-     {
-        return 1;
-     }
+   fail_if(pd->a != 3);
 
    eobj_unref(obj);
 
diff --git a/legacy/eobj/examples/signals/main.c b/legacy/eobj/examples/signals/main.c
index 867e1ce354..ce9dbdb135 100644
--- a/legacy/eobj/examples/signals/main.c
+++ b/legacy/eobj/examples/signals/main.c
@@ -1,6 +1,10 @@
 #include "Eobj.h"
 #include "simple.h"
 
+#include "../eunit_tests.h"
+
+static int cb_count = 0;
+
 static Eina_Bool
 _a_changed_cb(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
 {
@@ -10,6 +14,8 @@ _a_changed_cb(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *e
    int new_a = *((int *) event_info);
    printf("%s event_info:'%d' data:'%s'\n", __func__, new_a, (const char *) data);
 
+   cb_count++;
+
    /* Fix data is NULL, stop. */
    return !!data;
 }
@@ -33,6 +39,8 @@ main(int argc, char *argv[])
 
    eobj_do(obj, SIMPLE_A_SET(1));
 
+   fail_if(cb_count != 3);
+
    eobj_event_callback_del_full(obj, SIG_A_CHANGED, _a_changed_cb, NULL);
 
    eobj_unref(obj);