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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Tests\Misc;
use PhpMyAdmin\SqlParser\Tests\TestCase;
use PhpMyAdmin\SqlParser\UtfString;
use Throwable;
use function chr;
class UtfStringTest extends TestCase
{
/**
* Sample phrase in French.
*/
public 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.
*/
public const TEST_PHRASE_LEN = 113;
public function testArrayAccess(): void
{
$str = new UtfString(self::TEST_PHRASE);
// offsetExists
$this->assertArrayHasKey(self::TEST_PHRASE_LEN - 1, $str);
$this->assertArrayNotHasKey(-1, $str);
$this->assertArrayNotHasKey(self::TEST_PHRASE_LEN, $str);
// offsetGet
$this->assertEquals('.', $str[self::TEST_PHRASE_LEN - 1]);
$this->assertNull($str[-1]);
$this->assertNull($str[self::TEST_PHRASE_LEN]);
}
public function testSet(): void
{
$this->expectExceptionMessage('Not implemented.');
$this->expectException(Throwable::class);
$str = new UtfString('');
$str[0] = 'a';
}
public function testUnset(): void
{
$this->expectExceptionMessage('Not implemented.');
$this->expectException(Throwable::class);
$str = new UtfString('');
unset($str[0]);
}
public function testGetCharLength(): void
{
$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(): void
{
$str = new UtfString(self::TEST_PHRASE);
$this->assertEquals(self::TEST_PHRASE, (string) $str);
}
/**
* Test access to string.
*
* @dataProvider utf8StringsProvider
*/
public function testAccess(string $text, ?string $pos10, ?string $pos20): void
{
$str = new UtfString($text);
$this->assertEquals($pos10, $str->offsetGet(10));
$this->assertEquals($pos20, $str->offsetGet(20));
$this->assertEquals($pos10, $str->offsetGet(10));
}
/**
* @return array<string, array<int, string|null>>
* @psalm-return array<string, array{string, (string|null), (string|null)}>
*/
public function utf8StringsProvider(): array
{
return [
'ascii' => [
'abcdefghijklmnopqrstuvwxyz',
'k',
'u',
],
'unicode' => [
'áéíóúýěřťǔǐǒǎšďȟǰǩľžčǚň',
'ǐ',
'č',
],
'emoji' => [
'😂😄😃😀😊😉😍😘😚😗😂👿😮😨😱😠😡😤😖😆😋👯',
'😂',
'😋',
],
'iso' => [
"P\xf8\xed\xb9ern\xec \xbelu\xbbou\xe8k\xfd k\xf3d \xfap\xecl \xef\xe1belsk\xe9 k\xf3dy",
null,
null,
],
];
}
}