diff --git a/test/jest/gilded-rose.spec.ts b/test/jest/gilded-rose.spec.ts
index 613639f..1434a8e 100644
--- a/test/jest/gilded-rose.spec.ts
+++ b/test/jest/gilded-rose.spec.ts
@@ -9,7 +9,7 @@ describe('Gilded Rose', () => {
         const items = gildedRose.updateQuality();
 
         // Assert
-        expect(items[0].name).toBe('bar');
+        expect(items[0].name).toBe('foo');
     });
 
     it('sword quality drops by 1', () => {
@@ -20,6 +20,66 @@ describe('Gilded Rose', () => {
       const items = gildedRose.updateQuality();
 
       // Assert
-      expect(items[0].quality).toBe(1);
+      expect(items[0].quality).toBe(0);
+    });
+
+    it('backstage passes, 10 days left', () => {
+
+      const gildedRose = new GildedRose([new Item('Backstage passes to a TAFKAL80ETC concert', 10, 0)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(2);
+    });
+
+    it('Aged Brie increase', () => {
+
+      const gildedRose = new GildedRose([new Item('Aged Brie', 2, 5)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(6);
+
+    });
+
+    it('Aged Brie increase, quality = 50', () => {
+      const gildedRose = new GildedRose([new Item('Aged Brie', 10, 50)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(50);
+    });
+
+    it('Sulfuras, Hand of Ragnaros, const quality check', () => {
+      const gildedRose = new GildedRose([new Item('Sulfuras, Hand of Ragnaros', 20, 32)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(32);
+
+    });
+
+    it('Quality after concert', () => {
+      const gildedRose  = new GildedRose([new Item('Backstage passes to a TAFKAL80ETC concert', -1, 5)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(0);
+    });
+
+    it('Aged Brie after deadline', () => {
+      const gildedRose  = new GildedRose([new Item("Aged Brie", 0, 5)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(7);
+    });
+
+    it('Quality after deadline default', () => {
+      const gildedRose = new GildedRose([new Item("Elixir of the Mongoose", -1, 7)]);
+
+      const items = gildedRose.updateQuality();
+
+      expect(items[0].quality).toBe(5);
     })
 });