Add test programs to github.

tests/helloarray/helloarray.cpp

@@ -0,0 +1,26 @@
+#include <string.h>
+#include <stdio.h>
+#include <malloc.h>
+
+int main (void) {
+
+    char* array = (char*)malloc(256);
+
+    for (int i=0; i<256; i++) {
+        array[i] = i;
+    }
+
+    int* int_array = (int*)malloc(256);
+
+    for (int i=0; i<64; i++) {
+        int_array[i] = i;
+    }
+
+    printf("Hello array!\n");
+
+    free(array);
+    free(int_array);
+
+    return 0;
+}
+