Test cloning attributes

Author: lippserd

tests/AttributesTest.php

@@ -2,6 +2,7 @@
 
 namespace ipl\Tests\Html;
 
+use ipl\Html\Attribute;
 use ipl\Html\Attributes;
 use ipl\Html\BaseHtmlElement;
 
@@ -113,4 +114,34 @@ function ($v) use (&$value) {
 
         $this->assertEquals(' foo="bar rab" bar="foo"', $attributes->render());
     }
+
+    public function testClone(): void
+    {
+        $original = Attributes::create([
+            'class' => 'original class',
+            'value' => 'original value'
+        ]);
+
+        $clone = clone $original;
+        $clone->get('class')->setValue('clone class');
+        $clone->get('name')->setValue('clone name');
+        $clone->remove('value');
+
+        $cloneCone = clone $clone;
+        $cloneCone->get('class')->addValue('clone clone class');
+        $cloneCone->get('name')->setValue('clone clone name');
+        $cloneCone->get('value')->setValue('clone clone value');
+
+        $this->assertSame('original class', $original->get('class')->getValue());
+        $this->assertSame('original value', $original->get('value')->getValue());
+        $this->assertNull($original->get('name')->getValue());
+
+        $this->assertSame('clone class', $clone->get('class')->getValue());
+        $this->assertNull($clone->get('value')->getValue());
+        $this->assertSame('clone name', $clone->get('name')->getValue());
+
+        $this->assertSame(['clone class', 'clone clone class'], $cloneCone->get('class')->getValue());
+        $this->assertSame('clone clone name', $cloneCone->get('name')->getValue());
+        $this->assertSame('clone clone value', $cloneCone->get('value')->getValue());
+    }
 }