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<?php
namespace SqlParser\Tests\Misc;
use SqlParser\UtfString;
use SqlParser\Tests\TestCase;
class UtfStringTest extends TestCase
{
/**
* Sample phrase in French.
*
* @var UtfString
*/
const TEST_PHRASE = 'Les naïfs ægithales hâtifs pondant à Noël où il ' .
'gèle sont sûrs d\'être déçus en voyant leurs drôles d\'œufs abîmés.';
/**
* The length of the sample phrase.
*
* @var int
*/
const TEST_PHRASE_LEN = 113;
public function testArrayAccess()
{
$str = new UtfString(static::TEST_PHRASE);
// offsetExists
$this->assertTrue(isset($str[static::TEST_PHRASE_LEN - 1]));
$this->assertFalse(isset($str[-1]));
$this->assertFalse(isset($str[static::TEST_PHRASE_LEN]));
// offsetGet
$this->assertEquals('.', $str[static::TEST_PHRASE_LEN - 1]);
$this->assertEquals(null, $str[-1]);
$this->assertEquals(null, $str[static::TEST_PHRASE_LEN]);
}
/**
* @expectedException \Exception
* @expectedExceptionMessage Not implemented.
*/
public function testSet()
{
$str = new UtfString('');
$str[0] = 'a';
}
/**
* @expectedException \Exception
* @expectedExceptionMessage Not implemented.
*/
public function testUnset()
{
$str = new UtfString('');
unset($str[0]);
}
public function testGetCharLength()
{
$this->assertEquals(1, UtfString::getCharLength(chr(0x00))); // 00000000
$this->assertEquals(1, UtfString::getCharLength(chr(0x7F))); // 01111111
$this->assertEquals(2, UtfString::getCharLength(chr(0xC0))); // 11000000
$this->assertEquals(2, UtfString::getCharLength(chr(0xDF))); // 11011111
$this->assertEquals(3, UtfString::getCharLength(chr(0xE0))); // 11100000
$this->assertEquals(3, UtfString::getCharLength(chr(0xEF))); // 11101111
$this->assertEquals(4, UtfString::getCharLength(chr(0xF0))); // 11110000
$this->assertEquals(4, UtfString::getCharLength(chr(0xF7))); // 11110111
$this->assertEquals(5, UtfString::getCharLength(chr(0xF8))); // 11111000
$this->assertEquals(5, UtfString::getCharLength(chr(0xFB))); // 11111011
$this->assertEquals(6, UtfString::getCharLength(chr(0xFC))); // 11111100
$this->assertEquals(6, UtfString::getCharLength(chr(0xFD))); // 11111101
}
public function testToString()
{
$str = new UtfString(static::TEST_PHRASE);
$this->assertEquals(static::TEST_PHRASE, (string) $str);
}
}
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