Initial commit: libft Part 1 with tests and documentation

Reimplements 24 libc functions with Doxygen-documented header
and test suite comparing against libc.

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/test_case.c b/tests/test_case.c
new file mode 100644
index 0000000..44b567a
--- /dev/null
+++ b/tests/test_case.c
@@ -0,0 +1,36 @@
+#include "../libft.h"
+#include "test_utils.h"
+#include <ctype.h>
+
+static void
+_s_test_func (const char *name, int (*ft) (int), int (*libc) (int))
+{
+  int i;
+  int ok;
+
+  ok = 1;
+  for (i = -1; i <= 255; i++)
+    {
+      if (ft (i) != libc (i))
+        {
+          printf ("  FAIL %s(%d): ft=%d libc=%d\n", name, i, ft (i), libc (i));
+          _s_fail++;
+          ok = 0;
+        }
+    }
+  if (ok)
+    {
+      printf ("  PASS %s (all -1..255)\n", name);
+      _s_pass++;
+    }
+}
+
+int
+main (void)
+{
+  printf ("=== case functions ===\n");
+  _s_test_func ("ft_toupper", ft_toupper, toupper);
+  _s_test_func ("ft_tolower", ft_tolower, tolower);
+  _s_print_results ();
+  return (_s_fail != 0);
+}