add simple realloc() test

1 files changed, 18 insertions, 0 deletions

diff --git a/test/realloc.c b/test/realloc.c
new file mode 100644
index 0000000..c54f270
--- /dev/null
+++ b/test/realloc.c
@@ -0,0 +1,18 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "mapalloc.h"
+
+int main(void)
+{
+	const char buf[] = "THIS IS A CONSTANT STRING";
+
+	char *ptr = map_realloc(NULL, sizeof(buf));
+	memcpy(ptr, buf, sizeof(buf));
+	printf("%p: %s\n", ptr, ptr);
+
+	ptr = map_realloc(ptr, sizeof(buf) * 2);
+	memcpy(ptr + sizeof(buf), buf, sizeof(buf));
+	printf("%p: %s\n", ptr, ptr);
+}