Merge pull request #5 from FabianKoestring/FabianKoestring-zend-view-itemprop

Added itemprop to allowed attributes

Author: weierophinney

src/Helper/HeadLink.php

@@ -46,7 +46,8 @@ class HeadLink extends Placeholder\Container\AbstractStandalone
         'sizes',
         'type',
         'title',
-        'extras'
+        'extras',
+        'itemprop'
     ];
 
     /**

test/Helper/HeadLinkTest.php

@@ -445,4 +445,10 @@ public function testSizesAttributeIsSupported()
         $this->helper->appendStylesheet(['rel' => 'icon', 'href' => '/bar/baz', 'sizes' => '123x456']);
         $this->assertContains('sizes="123x456"', $this->helper->toString());
     }
+    
+    public function testItempropAttributeIsSupported()
+    {
+        $this->helper->prependAlternate(['itemprop' => 'url', 'href' => '/bar/baz', 'rel' => 'canonical']);
+        $this->assertContains('itemprop="url"', $this->helper->toString());
+    }
 }