<?php

require_once 'HTMLPurifier/Encoder.php';

class HTMLPurifier_EncoderTest extends UnitTestCase
{
    
    var $Encoder;
    
    function setUp() {
        $this->Encoder = new HTMLPurifier_Encoder();
        $this->_entity_lookup = HTMLPurifier_EntityLookup::instance();
    }
    
    function assertCleanUTF8($string, $expect = null) {
        if ($expect === null) $expect = $string;
        $this->assertIdentical($this->Encoder->cleanUTF8($string), $expect);
    }
    
    function test_cleanUTF8() {
        $this->assertCleanUTF8('Normal string.');
        $this->assertCleanUTF8("Test\tAllowed\nControl\rCharacters");
        $this->assertCleanUTF8("null byte: \0", 'null byte: ');
        $this->assertCleanUTF8("\1\2\3\4\5\6\7", '');
        $this->assertCleanUTF8("\x7F", ''); // one byte invalid SGML char
        $this->assertCleanUTF8("\xC2\x80", ''); // two byte invalid SGML
        $this->assertCleanUTF8("\xF3\xBF\xBF\xBF"); // valid four byte
        $this->assertCleanUTF8("\xDF\xFF", ''); // malformed UTF8
    }
    
}

?>