- added mini unit testing framework
- added unit tests for Value.isXYZ() and iteration over Value members to compute size
diff --git a/include/json/config.h b/include/json/config.h
index 52de4e4..5d334cb 100644
--- a/include/json/config.h
+++ b/include/json/config.h
@@ -19,6 +19,9 @@
/// Only has effects if JSON_VALUE_USE_INTERNAL_MAP is defined.
//# define JSON_USE_SIMPLE_INTERNAL_ALLOCATOR 1
+/// If defined, indicates that Json use exception to report invalid type manipulation
+/// instead of C assert macro.
+# define JSON_USE_EXCEPTION 1
# ifdef JSON_IN_CPPTL
# include <cpptl/config.h>