rel #41044 : converter under tests, fix combined chars hex to string conversion

Linse/Iso5426Converter.php

@@ -391,7 +391,7 @@ class Linse_Iso5426Converter {
 
     $combined_chars = $c1 * 256 + $c2;
     if (array_key_exists($combined_chars, $combined))
-      return chr($combined[$combined_chars]);
+      return html_entity_decode('&#'. $combined[$combined_chars] . ';', ENT_NOQUOTES, 'UTF-8');
 
     $single = [0xe1 => 'Æ',
                0xe2 => 'Đ',

tests/Linse/Iso5426ConverterTest.php

+<?php
+/**
+ * Copyright (c) 2012-2016, Agence Française Informatique (AFI). All rights reserved.
+ *
+ * LINSE is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE as published by
+ * the Free Software Foundation.
+ *
+ * There are special exceptions to the terms and conditions of the AGPL as it
+ * is applied to this software (see README file).
+ *
+ * LINSE 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 AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * along with LINSE; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
+ */
+
+
+class Linse_Iso5426ConverterTest extends PHPUnit_Framework_TestCase{
+  /** @test */
+  public function shouldConvertEacute() {
+    $this->assertEquals('é', (new Linse_Iso5426Converter())->toUnicode(chr(0xc2).chr(0x65)));
+  }
+}
\ No newline at end of file

tests/bootstrap.php

@@ -19,4 +19,5 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  */
 
-require_once __DIR__ . '/../Linse.php';
\ No newline at end of file
+require_once __DIR__ . '/../Linse.php';
+require_once __DIR__ . '/../Linse/Iso5426Converter.php';
\ No newline at end of file