Add reserve size getter for vector

test/vector.cpp

@@ -72,11 +72,22 @@ bool TestReserve()
 
 	Vector<unsigned> vector;
 	vector.Reserve(testSize);
+	if(vector.GetReserveSize() != testSize)
+	{
+		std::puts("[ERROR] Reserve size reported not equal to reserve size set.");
+		return false;
+	}
 
 	for(std::size_t i = 0; i < testSize; ++i)
 	{
 		vector.Resize(i + 1ul);
 		vector[i] = i;
+
+		if(vector.GetReserveSize() != testSize)
+		{
+			std::puts("[ERROR] Reserve size changed during resize.");
+			return false;
+		}
 	}
 
 	for(std::size_t i = 0; i < testSize; ++i)