Improve test DOMAttr_entity_expansion.phpt

Author: tstarling

ext/dom/tests/DOMAttr_entity_expansion.phpt

@@ -1,5 +1,7 @@
 --TEST--
 DOMAttr entity expansion
+--EXTENSIONS--
+dom
 --FILE--
 <?php
 $doc = new DOMDocument;
@@ -10,15 +12,18 @@ print $doc->saveXML($elt) . "\n";
 
 $attr = $elt->getAttributeNode('a');
 $attr->value = '&amp;';
+print "$attr->value\n";
 print $doc->saveXML($elt) . "\n";
 
 $attr->removeChild($attr->firstChild);
 print $doc->saveXML($elt) . "\n";
 
 $attr->nodeValue = '&';
+print "$attr->nodeValue\n";
 print $doc->saveXML($elt) . "\n";
 
 $attr->nodeValue = '&amp;';
+print "$attr->nodeValue\n";
 print $doc->saveXML($elt) . "\n";
 
 $elt->removeAttributeNode($attr);
@@ -27,13 +32,23 @@ print $doc->saveXML($elt) . "\n";
 
 $attr = $elt->getAttributeNodeNS('http://www.w3.org/2000/svg', 'id');
 $attr->value = '&lt;&amp;';
+print "$attr->value\n";
 print $doc->saveXML($elt) . "\n";
 
+$node = new DOMAttr('foo','bar');
+$node->nodeValue = 'xx&#x31;yy';
+print "$node->nodeValue\n";
+?>
 --EXPECT--
 <elt a="&amp;"/>
+&amp;
 <elt a="&amp;amp;"/>
 <elt a=""/>
+&
 <elt a="&amp;"/>
+&amp;
 <elt a="&amp;amp;"/>
 <elt xmlns:svg="http://www.w3.org/2000/svg" svg:id="&amp;amp;"/>
+&lt;&amp;
 <elt xmlns:svg="http://www.w3.org/2000/svg" svg:id="&amp;lt;&amp;amp;"/>
+xx&#x31;yy