MediaWiki 1.17.0

[autoinstallsdev/mediawiki.git] / includes / installer / PhpBugTests.php

diff --git a/includes/installer/PhpBugTests.php b/includes/installer/PhpBugTests.php
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+<?php
+/**
+ * Classes for self-contained tests for known bugs in PHP.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @defgroup PHPBugTests
+ * @ingroup PHPBugTests
+ */
+
+/**
+ * Test for PHP+libxml2 bug which breaks XML input subtly with certain versions.
+ * Known fixed with PHP 5.2.9 + libxml2-2.7.3
+ * @see http://bugs.php.net/bug.php?id=45996
+ * @ingroup PHPBugTests
+ */
+class PhpXmlBugTester {
+       private $parsedData = '';
+       public $ok = false;
+       public function __construct() {
+               $charData = '<b>c</b>';
+               $xml = '<a>' . htmlspecialchars( $charData ) . '</a>';
+
+               $parser = xml_parser_create();
+               xml_set_character_data_handler( $parser, array( $this, 'chardata' ) );
+               $parsedOk = xml_parse( $parser, $xml, true );
+               $this->ok = $parsedOk && ( $this->parsedData == $charData );
+       }
+       public function chardata( $parser, $data ) {
+               $this->parsedData .= $data;
+       }
+}
+
+/**
+ * Test for PHP bug #50394 (PHP 5.3.x conversion to null only, not 5.2.x)
+ * @see http://bugs.php.net/bug.php?id=45996
+ * @ingroup PHPBugTests
+ */
+class PhpRefCallBugTester {
+       public $ok = false;
+
+       function __call( $name, $args ) {
+               $old = error_reporting( E_ALL & ~E_WARNING );
+               call_user_func_array( array( $this, 'checkForBrokenRef' ), $args );
+               error_reporting( $old );
+       }
+
+       function checkForBrokenRef( &$var ) {
+               if ( $var ) {
+                       $this->ok = true;
+               }
+       }
+
+       function execute() {
+               $var = true;
+               call_user_func_array( array( $this, 'foo' ), array( &$var ) );
+       }
+}