Add test program.

tests/helloarrayofstructs/helloarrayofstructs.cpp

@@ -0,0 +1,31 @@
+#include <stdlib.h>
+#include <iostream>
+
+struct CoordsData {
+    int x;
+    int y;
+    int z;
+};
+
+struct CoordsArray {
+    struct CoordsData* data;
+    int num;
+};
+
+int main(void) {
+
+    struct CoordsArray arr;
+    arr.num = 10;
+    arr.data = (CoordsData*)malloc(sizeof(struct CoordsData) * arr.num);
+
+    for (int i = 0; i < arr.num; ++i) {
+        arr.data[i].x = i;
+        arr.data[i].y = i + i;
+        arr.data[i].z = i * i;
+
+        std::cout << i << ") x=" << arr.data[i].x << " y=" << arr.data[i].y << " z=" << arr.data[i].z << std::endl;
+    }
+
+    return 0;
+}
+