Fix ring buffer behavior after becoming full

Author: ryanplusplus

library.json

@@ -13,7 +13,7 @@
       "maintainer": true
     }
   ],
-  "version": "7.1.2",
+  "version": "7.1.3",
   "frameworks": "*",
   "platforms": "*",
   "export": {

src/tiny_ring_buffer.c

@@ -90,6 +90,7 @@ void tiny_ring_buffer_remove(tiny_ring_buffer_t* self, void* element)
     memcpy(element, source, self->element_size);
 
     self->tail = increment_with_wrap(initial_tail, self->capacity);
+    self->full = false;
   }
 }
 

test/tests/tiny_ring_buffer_test.cpp

@@ -96,6 +96,18 @@ TEST(tiny_ring_buffer, should_give_the_correct_count_when_full)
   the_count_should_be(3);
 }
 
+TEST(tiny_ring_buffer, should_give_the_correct_count_after_having_been_full)
+{
+  given_initialization_with_element_size_and_count(sizeof(uint16_t), 3);
+
+  after_inserting_element<uint16_t>(111);
+  after_inserting_element<uint16_t>(222);
+  after_inserting_element<uint16_t>(333);
+  after_removing_element<uint16_t>();
+  after_removing_element<uint16_t>();
+  the_count_should_be(1);
+}
+
 TEST(tiny_ring_buffer, should_give_the_correct_count_after_overwriting)
 {
   given_initialization_with_element_size_and_count(sizeof(uint16_t), 3);