tests: More refactoring, add helper header to every test, override exit for better error reporting

tests/stdlib/a64l.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char * s = "azAZ9."; // test boundaries
     long l = a64l(s);

tests/stdlib/alloc.c

@@ -2,6 +2,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char * ptr = (char *)malloc(256);
     printf("malloc %p\n", ptr);

tests/stdlib/atof.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     double d = atof("-3.14");
     printf("%f\n", d);

tests/stdlib/atoi.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     printf("%d\n", atoi("         -42"));
     printf("%d\n", atoi(" +555"));

tests/stdlib/bsearch.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int int_cmp(const void* a, const void* b) {
   return *(const int*) a - *(const int*) b;
 }

tests/stdlib/div.c

@@ -1,20 +1,23 @@
 #include <stdlib.h>
-         volatile float f;
-         volatile long double ld;
-         volatile unsigned long long ll;
-         lldiv_t mydivt;
+
+#include "test_helpers.h"
+
+volatile float f;
+volatile long double ld;
+volatile unsigned long long ll;
+lldiv_t mydivt;
 
 int main(void) {
-         char* tmp;
-         f = strtof("gnu", &tmp);
-         ld = strtold("gnu", &tmp);
-         ll = strtoll("gnu", &tmp, 10);
-         ll = strtoull("gnu", &tmp, 10);
-         ll = llabs(10);
-         mydivt = lldiv(10,1);
-         ll = mydivt.quot;
-         ll = mydivt.rem;
-         ll = atoll("10");
-         _Exit(0);
+    char* tmp;
+    f = strtof("gnu", &tmp);
+    ld = strtold("gnu", &tmp);
+    ll = strtoll("gnu", &tmp, 10);
+    ll = strtoull("gnu", &tmp, 10);
+    ll = llabs(10);
+    mydivt = lldiv(10,1);
+    ll = mydivt.quot;
+    ll = mydivt.rem;
+    ll = atoll("10");
+    _Exit(0);
 }
 

tests/stdlib/env.c

@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     //puts(getenv("SHELL"));
     //puts(getenv("CC"));

tests/stdlib/mkostemps.c

@@ -2,6 +2,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char* file_name = (char*) calloc(18, sizeof(char));
     strcpy(file_name, "tempXXXXXX.suffix");

tests/stdlib/mktemp.c

@@ -2,6 +2,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char* string = (char*) calloc(20, sizeof(char));
     strcpy(string, "tempXXXXXX");

tests/stdlib/rand.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     printf("%d\n", rand());
     srand(259);

tests/stdlib/realpath.c

@@ -4,6 +4,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char* path = realpath("stdlib/realpath.c", NULL);
     if (!path) {

tests/stdlib/strtod.c

@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     char* endptr = 0;
     double d;

tests/stdlib/strtol.c

@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     printf("%ld\n", strtol("         -42", NULL, 0));
     printf("%ld\n", strtol(" +555", NULL, 0));

tests/stdlib/strtoul.c

@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "test_helpers.h"
+
 int main(void) {
     printf("%ld\n", strtoul("         -42", NULL, 0));
     printf("%ld\n", strtoul(" +555", NULL, 0));

tests/stdlib/system.c

@@ -1,5 +1,8 @@
 #include <stdlib.h>
 
+#include "test_helpers.h"
+
 int main(void) {
-    system("echo test of system");
+    int status = system("echo test of system");
+    ERROR_IF(system, status, == -1);
 }