Merge pull request #3 from sherbrow/fix-attr-bool2

Validate Bool2 attribute with context attribute name

Author: xemlock

library/HTMLPurifier/AttrDef/HTML/Bool2.php

@@ -19,9 +19,10 @@ class HTMLPurifier_AttrDef_HTML_Bool2 extends HTMLPurifier_AttrDef_HTML_Bool
      */
     public function validate($string, $config, $context)
     {
+        $name = $this->name ? : $context->get('CurrentAttr');
         // boolean attribute validates if its value is either empty
         // or case-insensitively equal to attribute name
-        return $string === '' || strcasecmp($this->name, $string) === 0;
+        return $string === '' || strcasecmp($name, $string) === 0;
     }
 
     /**

tests/HTMLPurifier/HTML5DefinitionTest.php

@@ -95,4 +95,26 @@ public function testVideo($input)
 
         $this->assertEquals($input, $output);
     }
+
+    public function boolAttrInput()
+    {
+        return array(
+            array('<audio controls src="audio.ogg"></audio>', '<audio controls src="audio.ogg"></audio>'),
+            array('<audio controls="" src="audio.ogg"></audio>', '<audio controls src="audio.ogg"></audio>'),
+            array('<audio controls="controls" src="audio.ogg"></audio>', '<audio controls src="audio.ogg"></audio>'),
+            array('<audio controls="CoNtRoLs" src="audio.ogg"></audio>', '<audio controls src="audio.ogg"></audio>'),
+            array('<audio controls="bar" src="audio.ogg"></audio>', '<audio src="audio.ogg"></audio>'),
+        );
+    }
+
+    /**
+     * @dataProvider boolAttrInput
+     * @depends testAudio
+     */
+    public function testBoolAttr($input, $expectedOuptut)
+    {
+        $output = $this->getPurifier()->purify($input);
+
+        $this->assertEquals($expectedOuptut, $output);
+    }
 }