Add show_alloc_mem and test_show, rename test to test_preload

Implement show_alloc_mem() to print all zones and allocations
by ascending address. Add test_show binary that links directly
against libft_malloc.so to exercise it.

2 files changed, 25 insertions, 0 deletions

diff --git a/tests/src/main.c b/tests/src/test_preload.c
index 0ded605..0ded605 100644
--- a/tests/src/main.c
+++ b/tests/src/test_preload.c
diff --git a/tests/src/test_show.c b/tests/src/test_show.c
new file mode 100644
index 0000000..e5e7dca
--- /dev/null
+++ b/tests/src/test_show.c
@@ -0,0 +1,25 @@
+/**
+ * @file   test_show.c
+ * @brief  Test show_alloc_mem — links directly against libft_malloc.
+ */
+
+#include "malloc.h"
+
+int
+main (void)
+{
+  void *a = malloc (42);
+  void *b = malloc (100);
+  void *c = malloc (500);
+  void *d = malloc (2000);
+  (void)a;
+  (void)b;
+  (void)c;
+  (void)d;
+  show_alloc_mem ();
+  free (a);
+  free (b);
+  free (c);
+  free (d);
+  return (0);
+}