diff --git a/tests/manual/debugger/simple/simple_test_app.cpp b/tests/manual/debugger/simple/simple_test_app.cpp
index 85ceaa22721..a6d7c3e237a 100644
--- a/tests/manual/debugger/simple/simple_test_app.cpp
+++ b/tests/manual/debugger/simple/simple_test_app.cpp
@@ -133,6 +133,7 @@ void dummyStatement(...) {}
 #include <fstream>
 #include <map>
 #include <list>
+#include <limits>
 #include <set>
 #include <stack>
 #include <string>
@@ -2956,6 +2957,15 @@ namespace basic {
         dummyStatement(&f);
     }
 
+    void testBigInt()
+    {
+        qint64 a = Q_INT64_C(0x0102030405060708090a);
+        quint64 b = Q_UINT64_C(0x0102030405060708090a);
+        quint64 c = std::numeric_limits<quint64>::max() - quint64(1);
+        BREAK_HERE;
+        dummyStatement(&a, &b, &c);
+    }
+
     void testBasic()
     {
         testReference1();
@@ -2983,6 +2993,7 @@ namespace basic {
         testFork();
         testFunctionPointer();
         testPassByReference();
+        testBigInt();
     }
 
 } // namespace basic