The Quality of an item is never more than 50

Java/README.md

@@ -12,8 +12,8 @@
 -[x] At the end of each day our system lowers both values for every item
 -[x] Once the sell by date has passed, Quality degrades twice as fast
 -[x] The Quality of an item is never negative
--[ ] "Aged Brie" actually increases in Quality the older it gets
+-[x] "Aged Brie" actually increases in Quality the older it gets
--[ ] The Quality of an item is never more than 50
+-[x] The Quality of an item is never more than 50
 -[ ] "Sulfuras", being a legendary item, never has to be sold or decreases in Quality
 -[ ] "Backstage passes", like aged brie, increases in Quality as its SellIn value approaches;
 -[ ] Quality increases by 2 when there are 10 days or less and by 3 when there are 5 days or less but

Java/src/test/java/com/gildedrose/GildedRoseTest.java

@@ -73,4 +73,19 @@ public class GildedRoseTest {
         assertEquals(4, app.items[0].quality);
     }
 
+    @Test
+    @DisplayName("The Quality of an item is never more than 50")
+    public void shouldNeverHaveQualityHigherThan50(){
+        Item[] items = new Item[]{TestHelper.getItem("Aged Brie", 0, 49)};
+        GildedRose app = new GildedRose(items);
+
+        //day 1, add 2
+        app.updateQuality();
+        assertEquals(50, app.items[0].quality);
+
+        //day 2, add 2
+        app.updateQuality();
+        assertEquals(50, app.items[0].quality);
+    }
+
 }