diff --git a/test/testpreprocessor.cpp b/test/testpreprocessor.cpp
index fb24ae1e7..ee6c55ef3 100644
--- a/test/testpreprocessor.cpp
+++ b/test/testpreprocessor.cpp
@@ -523,10 +523,17 @@ private:
 
     void match_cfg_def()
     {
+        TODO_ASSERT_EQUALS(false, Preprocessor::match_cfg_def("ABC", "defined(A)"));
+        TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def("ABC", "!defined(A)"));
+
+        ASSERT_EQUALS(false, Preprocessor::match_cfg_def("A", "!defined(A)&&!defined(B)"));
+        TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def("C", "!defined(A)&&!defined(B)"));
+
         TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def("A=1", "A==1"));
         TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def("A=1", "A<2"));
         ASSERT_EQUALS(false, Preprocessor::match_cfg_def("A=1", "A==2"));
         ASSERT_EQUALS(false, Preprocessor::match_cfg_def("A=1", "A<1"));
+        TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def("A=2;B=1;C", "A>=1&&B<=A"));
     }