From 68df724e4d5c25f1782607e7ffcb17630eee733c Mon Sep 17 00:00:00 2001
From: Richard Xu <richard.xu@roadbotics.com>
Date: Thu, 22 Dec 2022 11:46:10 -0500
Subject: [PATCH] Add more tests

---
 .../java/com/gildedrose/GildedRoseTest.java   | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/Java/src/test/java/com/gildedrose/GildedRoseTest.java b/Java/src/test/java/com/gildedrose/GildedRoseTest.java
index 1c5d364f..fa0f0a54 100644
--- a/Java/src/test/java/com/gildedrose/GildedRoseTest.java
+++ b/Java/src/test/java/com/gildedrose/GildedRoseTest.java
@@ -79,4 +79,42 @@ class GildedRoseTest {
         app.updateQuality();
         assertEquals(app.items[0].quality, 0);
     }
+
+    @Test
+    public void qualityIsNeverNegative() {
+        // todo: should add a similar case for conjured
+        int quality = 1;
+        Item[] items = new Item[] { new Item("generic item", 5, quality) };
+        GildedRose app = new GildedRose(items);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 0);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 0);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 0);
+    }
+
+    @Test
+    public void qualityIsNeverOverFiftyForAgedBrie() {
+        Item[] items = new Item[] { new Item(GildedRose.AGED_BRIE, 5, 50) };
+        GildedRose app = new GildedRose(items);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+    }
+
+    @Test
+    public void qualityIsNeverOverFiftyForBackstagePasses() {
+        Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 5, 50) };
+        GildedRose app = new GildedRose(items);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+        app.updateQuality();
+        assertEquals(app.items[0].quality, 50);
+    }
 }