extra asserts for sign on consume/produce

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/block.cpp b/lib/block.cpp
index d84cc8b..63edfd0 100644
--- a/lib/block.cpp
+++ b/lib/block.cpp
@@ -90,11 +90,13 @@ void Block::set_output_config(const size_t which_output, const OutputPortConfig
 
 void Block::consume(const size_t which_input, const size_t num_items)
 {
+    ASSERT(long(num_items) > 0); //sign bit set? you dont want a negative
     (*this)->block->consume(which_input, num_items);
 }
 
 void Block::produce(const size_t which_output, const size_t num_items)
 {
+    ASSERT(long(num_items) > 0); //sign bit set? you dont want a negative
     (*this)->block->produce(which_output, num_items);
 }