<?php
class HTMLPurifier_EntityParserTest extends HTMLPurifier_Harness {
	protected $EntityParser;
	public function setUp() {
		$this->EntityParser = new HTMLPurifier_EntityParser ();
		$this->_entity_lookup = HTMLPurifier_EntityLookup::instance ();
	}
	public function test_substituteNonSpecialEntities() {
		$char_theta = $this->_entity_lookup->table ['theta'];
		$this->assertIdentical ( $char_theta, $this->EntityParser->substituteNonSpecialEntities ( '&theta;' ) );
		$this->assertIdentical ( '"', $this->EntityParser->substituteNonSpecialEntities ( '"' ) );
		
		// numeric tests, adapted from Feyd
		$args = array ();
		$args [] = array (
				1114112,
				false 
		);
		$args [] = array (
				1114111,
				'F48FBFBF' 
		); // 0x0010FFFF
		$args [] = array (
				1048576,
				'F4808080' 
		); // 0x00100000
		$args [] = array (
				1048575,
				'F3BFBFBF' 
		); // 0x000FFFFF
		$args [] = array (
				262144,
				'F1808080' 
		); // 0x00040000
		$args [] = array (
				262143,
				'F0BFBFBF' 
		); // 0x0003FFFF
		$args [] = array (
				65536,
				'F0908080' 
		); // 0x00010000
		$args [] = array (
				65535,
				'EFBFBF' 
		); // 0x0000FFFF
		$args [] = array (
				57344,
				'EE8080' 
		); // 0x0000E000
		$args [] = array (
				57343,
				false 
		); // 0x0000DFFF these are ill-formed
		$args [] = array (
				56040,
				false 
		); // 0x0000DAE8 these are ill-formed
		$args [] = array (
				55296,
				false 
		); // 0x0000D800 these are ill-formed
		$args [] = array (
				55295,
				'ED9FBF' 
		); // 0x0000D7FF
		$args [] = array (
				53248,
				'ED8080' 
		); // 0x0000D000
		$args [] = array (
				53247,
				'ECBFBF' 
		); // 0x0000CFFF
		$args [] = array (
				4096,
				'E18080' 
		); // 0x00001000
		$args [] = array (
				4095,
				'E0BFBF' 
		); // 0x00000FFF
		$args [] = array (
				2048,
				'E0A080' 
		); // 0x00000800
		$args [] = array (
				2047,
				'DFBF' 
		); // 0x000007FF
		$args [] = array (
				128,
				'C280' 
		); // 0x00000080 invalid SGML char
		$args [] = array (
				127,
				'7F' 
		); // 0x0000007F invalid SGML char
		$args [] = array (
				0,
				'00' 
		); // 0x00000000 invalid SGML char
		
		$args [] = array (
				20108,
				'E4BA8C' 
		); // 0x00004E8C
		$args [] = array (
				77,
				'4D' 
		); // 0x0000004D
		$args [] = array (
				66306,
				'F0908C82' 
		); // 0x00010302
		$args [] = array (
				1072,
				'D0B0' 
		); // 0x00000430
		
		foreach ( $args as $arg ) {
			$string = '&#' . $arg [0] . ';' . // decimal
'&#x' . dechex ( $arg [0] ) . ';'; // hex
			$expect = '';
			if ($arg [1] !== false) {
				// this is only for PHP 5, the below is PHP 5 and PHP 4
				// $chars = str_split($arg[1], 2);
				$chars = array ();
				// strlen must be called in loop because strings size changes
				for($i = 0; strlen ( $arg [1] ) > $i; $i += 2) {
					$chars [] = $arg [1] [$i] . $arg [1] [$i + 1];
				}
				foreach ( $chars as $char ) {
					$expect .= chr ( hexdec ( $char ) );
				}
				$expect .= $expect; // double it
			}
			$this->assertIdentical ( $this->EntityParser->substituteNonSpecialEntities ( $string ), $expect, 'Identical expectation [Hex: ' . dechex ( $arg [0] ) . ']' );
		}
	}
	public function test_substituteSpecialEntities() {
		$this->assertIdentical ( "'", $this->EntityParser->substituteSpecialEntities ( '&#39;' ) );
	}
}

// vim: et sw=4 sts=4