diff --git a/test/Test.hpp b/test/Test.hpp
index 990c842..da3dbbd 100644
--- a/test/Test.hpp
+++ b/test/Test.hpp
@@ -1,17 +1 @@
 #include "vendor/catch-2.13.10/catch.hpp"
-
-class BigData;
-
-// Fixture for repetitive handling of BigData objects.
-struct BigDataTest {
-    using BigDataPtr = BigData*;
-
-    BigData* num;
-
-    BigDataTest();
-    ~BigDataTest();
-
-    BigData** operator &() { return # }
-    operator BigDataPtr() const { return num; }
-    BigData* operator->() const { return num; }
-};
diff --git a/test/big/BigDataTest.cpp b/test/big/BigDataTest.cpp
new file mode 100644
index 0000000..83abdf1
--- /dev/null
+++ b/test/big/BigDataTest.cpp
@@ -0,0 +1,9 @@
+#include "test/big/BigDataTest.hpp"
+
+BigDataTest::BigDataTest() {
+    SBigNew(&this->num);
+}
+
+BigDataTest::~BigDataTest() {
+    SBigDel(this->num);
+}
diff --git a/test/big/BigDataTest.hpp b/test/big/BigDataTest.hpp
new file mode 100644
index 0000000..c7910cb
--- /dev/null
+++ b/test/big/BigDataTest.hpp
@@ -0,0 +1,23 @@
+#ifndef TEST_BIG_BIG_DATA_TEST_HPP
+#define TEST_BIG_BIG_DATA_TEST_HPP
+
+#include "storm/Big.hpp"
+
+class BigData;
+
+// Fixture for repetitive handling of BigData objects.
+struct BigDataTest {
+    using BigDataPtr = BigData*;
+
+    BigData* num;
+
+    BigDataTest();
+    ~BigDataTest();
+
+    BigData** operator &() { return # }
+    operator BigDataPtr() const { return num; }
+    BigData* operator->() const { return num; }
+};
+
+
+#endif