diff --git a/bin/fi/oulu/tol/sqat/GildedRose.class b/bin/fi/oulu/tol/sqat/GildedRose.class
index f244eba..b904cd2 100644
Binary files a/bin/fi/oulu/tol/sqat/GildedRose.class and b/bin/fi/oulu/tol/sqat/GildedRose.class differ
diff --git a/bin/fi/oulu/tol/sqat/Item.class b/bin/fi/oulu/tol/sqat/Item.class
index 478a739..86c608e 100644
Binary files a/bin/fi/oulu/tol/sqat/Item.class and b/bin/fi/oulu/tol/sqat/Item.class differ
diff --git a/bin/fi/oulu/tol/sqat/tests/GildedRoseTest.class b/bin/fi/oulu/tol/sqat/tests/GildedRoseTest.class
index e44e81c..8a392ad 100644
Binary files a/bin/fi/oulu/tol/sqat/tests/GildedRoseTest.class and b/bin/fi/oulu/tol/sqat/tests/GildedRoseTest.class differ
diff --git a/src/fi/oulu/tol/sqat/tests/GildedRoseTest.java b/src/fi/oulu/tol/sqat/tests/GildedRoseTest.java
index 7aceb2e..4f99feb 100644
--- a/src/fi/oulu/tol/sqat/tests/GildedRoseTest.java
+++ b/src/fi/oulu/tol/sqat/tests/GildedRoseTest.java
@@ -39,4 +39,117 @@ public void testUpdateEndOfDay_AgedBrie_Quality_10_11() {
 	public void testUpdateEndOfDay() {
 		fail("Test not implemented");
 	}
+	
+	@Test
+	public void testUpdateEndOfDay_ElixirOfTheMongoose_Quality_7_6() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Elixir of the Mongoose", 5, 7) );
+		store.updateEndOfDay();
+		
+		List<Item> items = store .getItems();
+		Item itemElix = items.get(0);
+		assertEquals(6, itemElix.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_ConjuredManaCake_SellIn_3_2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Conjured Mana Cake", 3, 6) );
+		store.updateEndOfDay();
+		
+		List<Item> items = store .getItems();
+		Item itemCake = items.get(0);
+		assertEquals(2, itemCake.getSellIn());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_ConjuredManaCake_datepassed_Quality_6_4() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Conjured Mana Cake", 0, 6) );
+		store.updateEndOfDay();
+		
+		List<Item> items = store .getItems();
+		Item itemCake = items.get(0);
+		assertEquals(4, itemCake.getQuality());
+	}
+	@Test
+	public void testUpdateEndOfDay_5DexterityVest_QualityNotNegative_0_0(){
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("+5 Dexterity Vest", 1, 0) );
+		store.updateEndOfDay();
+		
+		List<Item> items = store .getItems();
+		Item itemDex = items.get(0);
+		assertEquals(0, itemDex.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_SulfurasHandOfRagnaros_Quality_80_50() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Sulfuras, Hand of Ragnaros",0, 80));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemSulfuras = items.get(0);
+		assertEquals(50, itemSulfuras.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_SulfurasHandOfRagnaros_Quality_47_47() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Sulfuras, Hand of Ragnaros",0, 47));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemSulfuras = items.get(0);
+		assertEquals(47, itemSulfuras.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_SulfurasHandOfRagnaros_sell_2_2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Sulfuras, Hand of Ragnaros",2, 47));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemSulfuras = items.get(0);
+		assertEquals(2, itemSulfuras.getSellIn());
+	}
+
+	@Test
+	public void testUpdateEndOfDay_BackstagePassesToConcert_Days15_QualityRaise2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Backstage passes to a TAFKAL80ETC concert",15, 10));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemTicket = items.get(0);
+		assertEquals(11, itemTicket.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_BackstagePassesToConcert_Days9_QualityRaise2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Backstage passes to a TAFKAL80ETC concert",9, 10));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemTicket = items.get(0);
+		assertEquals(12, itemTicket.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_BackstagePassesToConcert_Days4_QualityRaise2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Backstage passes to a TAFKAL80ETC concert",4, 10));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemTicket = items.get(0);
+		assertEquals(13, itemTicket.getQuality());
+	}
+	
+	@Test
+	public void testUpdateEndOfDay_BackstagePassesToConcert_Days0_QualityRaise2() {
+		GildedRose store = new GildedRose();
+		store.addItem(new Item("Backstage passes to a TAFKAL80ETC concert",0, 10));
+		store.updateEndOfDay();
+		List<Item> items = store.getItems();
+		Item itemTicket = items.get(0);
+		assertEquals(0, itemTicket.getQuality());
+	}
 }