From 0f3421589136ffd3ab3e636562a1d2a0788fa1a4 Mon Sep 17 00:00:00 2001
From: Povilas Brilius <pbrilius@gmail.com>
Date: Fri, 1 May 2020 23:57:56 +0300
Subject: [PATCH] Lower quality boundary on regular product runs OK.

---
 php7/test/GildedRoseTest.php | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/php7/test/GildedRoseTest.php b/php7/test/GildedRoseTest.php
index 56301614..4edc0ac2 100644
--- a/php7/test/GildedRoseTest.php
+++ b/php7/test/GildedRoseTest.php
@@ -215,7 +215,34 @@ class GildedRoseTest extends \PHPUnit\Framework\TestCase
         }
 
         $this->assertEquals(50, $app->getItems()[0]->quality);
+        $this->assertEquals(50, $app->getItems()[1]->quality);
+        $this->assertEquals(50, $app->getItems()[2]->quality);
 
     }
 
+    /**
+     * Test lower quality boundary of a product is prevalent
+     *
+     * @return void
+     */
+    public function testQualityLowerBoundaryOnRegularProduct()
+    {
+        $items = [
+            new Item('Elixir of the Mongoose', 5, 1),
+            new Item('Elixir of the Mongoose', 5, 2),
+            new Item('Elixir of the Mongoose', 5, 3),
+        ];
+
+        $interval = 3;
+        $app = new GildedRose($items);
+
+        for ($i = 0; $i < $interval; $i++) {
+            $app->updateQuality();
+        }
+
+        $this->assertEquals(0, $app->getItems()[0]->quality);
+        $this->assertEquals(0, $app->getItems()[1]->quality);
+        $this->assertEquals(0, $app->getItems()[2]->quality);
+    }
+
 }