Feature/memory arena (#631)

* First pass at MemoryArena.

* First pass at RandomGenerator.

* Extract TestContext into external source file.

* Fix warning on printf.

* Use enum classes for Test enums.
OutputMode -> TestOutputMode.

* First pass at FreeList unit test.

* Auto registering tests.
Improvements to RandomGenerator.

* Remove the need for unitTest headers - cos can use registering.

* Added unitTest for MemoryArena.

* Do unit tests.

* Fix typo.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/core/list.h b/source/core/list.h
index 6df60b74b..cddcbb6c0 100644
--- a/source/core/list.h
+++ b/source/core/list.h
@@ -199,6 +199,15 @@ namespace Slang
 			return buffer[_count-1];
 		}
 
+        void RemoveLast()
+        {
+#ifdef _DEBUG
+            if (_count == 0)
+                throw "Index out of range.";
+#endif        
+            _count--;
+        }
+
 		inline void SwapWith(List<T, TAllocator> & other)
 		{
 			T* tmpBuffer = this->buffer;