isEmpty method

Author: AydinHassan

src/Utils/ArrayObject.php

@@ -187,4 +187,12 @@ public function count()
     {
         return count($this->array);
     }
+
+    /**
+     * @return bool
+     */
+    public function isEmpty()
+    {
+        return $this->array === [];
+    }
 }

test/Util/ArrayObjectTest.php

@@ -130,4 +130,13 @@ public function testSet()
         $this->assertNotSame($new, $arrayObject);
         $this->assertSame(['one' => 1, 'two' => 2, 'three' => 4], $new->getArrayCopy());
     }
+
+    public function testIsEmpty()
+    {
+        $arrayObject = new ArrayObject([1, 2, 3]);
+        self::assertFalse($arrayObject->isEmpty());
+
+        $arrayObject = new ArrayObject;
+        self::assertTrue($arrayObject->isEmpty());
+    }
 }