Refactorization: Reduced stack usage of givenACodeSampleToTokenize

Merged from LCppC.

test/testutils.cpp

@@ -16,10 +16,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-
+#include "testutils.h"
 #include "testsuite.h"
 #include "utils.h"
 
+const Settings givenACodeSampleToTokenize::settings;
+
 class TestUtils : public TestFixture {
 public:
     TestUtils() : TestFixture("TestUtils") {

test/testutils.h

@@ -26,8 +26,8 @@ class Token;
 
 class givenACodeSampleToTokenize {
 private:
-    Settings settings;
     Tokenizer tokenizer;
+    static const Settings settings;
 
 public:
     explicit givenACodeSampleToTokenize(const char sample[], bool createOnly = false, bool cpp = true)