Added tests

swift/Tests/GildedRoseTests/GildedRoseBrieTests.swift

@@ -9,13 +9,25 @@
 import XCTest
 
 class GildedRoseBrieTests: XCTestCase {
-    func test_updateQuality_agedBrieQuality_increasesInAgeAfterSellByDate() throws {
+    func test_updateQuality_agedBrieQuality_increasesInQuality() throws {
         let items = [Item(name: "Aged Brie", sellIn: 1, quality: 4)]
         let app = GildedRose(items: items)
         app.updateQuality()
         XCTAssertEqual(app.items[0].quality, 5)
+    }
+    
+    func test_updateQuality_agedBrieQuality_increasesInAgeAfterSellByDate() throws {
+        let items = [Item(name: "Aged Brie", sellIn: 0, quality: 5)]
+        let app = GildedRose(items: items)
         app.updateQuality()
         XCTAssertEqual(app.items[0].quality, 7)
     }
+    
+    func test_updateQuality_agedBrieQuality_shouldntGoOver50Quality() throws {
+        let items = [Item(name: "Aged Brie", sellIn: 0, quality: 50)]
+        let app = GildedRose(items: items)
+        app.updateQuality()
+        XCTAssertEqual(app.items[0].quality, 50)
+    }
 }
 

swift/Tests/GildedRoseTests/GildedRoseTests.swift

@@ -21,7 +21,7 @@ class GildedRoseTests: XCTestCase {
     }
     
     func test_updateQuality_itemQuality_shouldntBecomeNegativeAfterPassingSellByDate() throws {
-        let items = [Item(name: "foo", sellIn: 0, quality: 1)]
+        let items = [Item(name: "foo", sellIn: 0, quality: 0)]
         let app = GildedRose(items: items)
         app.updateQuality()
         XCTAssertEqual(app.items[0].quality, 0)