diff --git a/c-check/test_brie.c b/c-check/test_brie.c
new file mode 100644
index 00000000..e0ef714b
--- /dev/null
+++ b/c-check/test_brie.c
@@ -0,0 +1,35 @@
+#include <check.h>
+#include "GildedRose.h"
+
+#define CHEESE "Aged Brie"
+
+START_TEST(agedBrie_whenSellInPositive_increasesQualityByOne)
+{
+  Item items[1];
+  init_item(items, CHEESE, 10, 15);
+  update_quality(items, 1);
+
+  ck_assert_int_eq(16, items[0].quality);
+}
+END_TEST
+
+START_TEST(agedBrie_cannotIncreaseQualityAboveFifty)
+{
+  Item items[1];
+  init_item(items, CHEESE, 10, 50);
+  update_quality(items, 1);
+
+  ck_assert_int_eq(50, items[0].quality);
+}
+END_TEST
+
+TCase *tcase_brie(void)
+{
+  TCase *tc;
+
+  tc = tcase_create("aged-brie");
+  tcase_add_test(tc, agedBrie_whenSellInPositive_increasesQualityByOne);
+  tcase_add_test(tc, agedBrie_cannotIncreaseQualityAboveFifty);
+
+  return tc;
+}
diff --git a/c-check/test_normal.c b/c-check/test_normal.c
index 98fbab5b..f6af58c9 100644
--- a/c-check/test_normal.c
+++ b/c-check/test_normal.c
@@ -3,6 +3,7 @@
 
 #define NORMAL_ITEM "Elixer of Mongoose"
 
+TCase *tcase_brie(void);
 
 START_TEST(normalitem_whenSellInPositive_decreasesQualityByOne)
 {
@@ -34,7 +35,7 @@ START_TEST(normalitem_whenQualityZero_doesNotDecrease)
 }
 END_TEST
 
-TCase *tcase_rose(void)
+TCase *tcase_normal(void)
 {
   TCase *tc;
 
@@ -51,7 +52,8 @@ Suite *suite_normal(void)
   Suite *s;
 
   s = suite_create("characterization-tests");
-  suite_add_tcase(s, tcase_rose());
+  suite_add_tcase(s, tcase_normal());
+  suite_add_tcase(s, tcase_brie());
 
   return s;
 }