From 4733f42f43f4f8df9ea2a63bb63265919e90b808 Mon Sep 17 00:00:00 2001
From: Ibrahim Dogrusoz <idogrusoz@gmail.com>
Date: Sun, 28 May 2023 16:23:20 +0200
Subject: [PATCH] Items are expired once the SellIn date passes

---
 Java/src/main/java/com/gildedrose/model/BaseItem.java     | 4 ++++
 Java/src/test/java/com/gildedrose/model/BaseItemTest.java | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/Java/src/main/java/com/gildedrose/model/BaseItem.java b/Java/src/main/java/com/gildedrose/model/BaseItem.java
index 7a16264a..a19c1561 100644
--- a/Java/src/main/java/com/gildedrose/model/BaseItem.java
+++ b/Java/src/main/java/com/gildedrose/model/BaseItem.java
@@ -36,4 +36,8 @@ public class BaseItem {
     private void updateQuality() {
         setQuality(getQuality() - 1);
     }
+
+    protected boolean isExpired() {
+        return item.sellIn < 0;
+    }
 }
diff --git a/Java/src/test/java/com/gildedrose/model/BaseItemTest.java b/Java/src/test/java/com/gildedrose/model/BaseItemTest.java
index abe3ebff..881e245d 100644
--- a/Java/src/test/java/com/gildedrose/model/BaseItemTest.java
+++ b/Java/src/test/java/com/gildedrose/model/BaseItemTest.java
@@ -46,4 +46,10 @@ class BaseItemTest {
         assertEquals(9, testItem.getQuality());
     }
 
+    @Test
+    void givenAnItemWithPastSellInDate_itIsExpired() {
+        BaseItem testItem = new BaseItem(new Item("test_item", -1, 10));
+        assertTrue(testItem.isExpired());
+    }
+
 }