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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Polyfill\Tests\Intl\Grapheme;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\Attributes\RequiresPhp;
use Symfony\Polyfill\Intl\Grapheme\Grapheme as p;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::<!public>
*/
class GraphemeTest extends TestCase
{
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_extract
*/
public function testGraphemeExtractArrayError()
{
grapheme_extract('', 0);
if (80000 > \PHP_VERSION_ID) {
$this->assertFalse(@grapheme_extract([], 0));
$this->expectWarning();
$this->expectWarningMessage('expects parameter 1 to be string, array given');
} else {
$this->expectException(\TypeError::class);
}
grapheme_extract([], 0);
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_extract
*/
public function testGraphemeExtract()
{
$this->assertFalse(grapheme_extract('', 0));
$this->assertSame('', grapheme_extract('abc', 0));
$this->assertSame('국어', grapheme_extract('한국어', 2, \GRAPHEME_EXTR_COUNT, 3, $next));
$this->assertSame(9, $next);
$next = 0;
$this->assertSame('한', grapheme_extract('한국어', 1, \GRAPHEME_EXTR_COUNT, $next, $next));
$this->assertSame('국', grapheme_extract('한국어', 1, \GRAPHEME_EXTR_COUNT, $next, $next));
$this->assertSame('어', grapheme_extract('한국어', 1, \GRAPHEME_EXTR_COUNT, $next, $next));
$this->assertFalse(grapheme_extract('한국어', 1, \GRAPHEME_EXTR_COUNT, $next, $next));
$this->assertSame(str_repeat('-', 69000), grapheme_extract(str_repeat('-', 70000), 69000, \GRAPHEME_EXTR_COUNT));
$this->assertSame('d', grapheme_extract('déjà', 2, \GRAPHEME_EXTR_MAXBYTES));
$this->assertSame('dé', grapheme_extract('déjà', 2, \GRAPHEME_EXTR_MAXCHARS));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_extract
*/
public function testGraphemeExtractWithInvalidType()
{
if (80000 <= \PHP_VERSION_ID) {
$this->expectException(\ValueError::class);
$this->expectExceptionMessage('grapheme_extract(): Argument #3 ($type) must be one of GRAPHEME_EXTR_COUNT, GRAPHEME_EXTR_MAXBYTES, or GRAPHEME_EXTR_MAXCHARS');
}
$this->assertFalse(grapheme_extract('abc', 1, -1));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_extract
*/
public function testGraphemeExtractWithNegativeStart()
{
$this->assertSame('j', grapheme_extract('déjà', 2, \GRAPHEME_EXTR_MAXBYTES, -3, $next));
$this->assertSame(4, $next);
$this->assertSame('jà', grapheme_extract('déjà', 2, \GRAPHEME_EXTR_MAXCHARS, -3));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strlen
*/
public function testGraphemeStrlen()
{
$this->assertSame(3, grapheme_strlen('한국어'));
$this->assertSame(3, grapheme_strlen(\Normalizer::normalize('한국어', \Normalizer::NFD)));
$this->assertNull(grapheme_strlen("\xE9"));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_substr
*/
public function testGraphemeSubstr()
{
$c = 'déjà';
$this->assertSame('jà', grapheme_substr($c, -2, null));
if (\PHP_VERSION_ID >= 80000) {
$this->assertSame('jà', grapheme_substr($c, -2, 3));
$this->assertSame('', grapheme_substr($c, -1, 0));
$this->assertSame('', grapheme_substr($c, 1, -4));
} else {
// See http://bugs.php.net/62759 and 55562
$this->assertSame('jà', grapheme_substr($c, -2, 3));
$this->assertSame('', grapheme_substr($c, -1, 0));
$this->assertFalse(grapheme_substr($c, 1, -4));
}
$this->assertSame('jà', grapheme_substr($c, 2));
$this->assertSame('jà', grapheme_substr($c, -2));
$this->assertSame('j', grapheme_substr($c, -2, -1));
$this->assertSame('', grapheme_substr($c, -2, -2));
$this->assertSame('☎', grapheme_substr('☢☎❄', 1, 1));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_substr
*
* @requires PHP < 8
*/
#[RequiresPhp('< 8')]
public function testGraphemeSubstrReturnsFalsePrePHP8()
{
$c = 'déjà';
$this->assertFalse(grapheme_substr($c, 5, 1));
$this->assertFalse(grapheme_substr($c, -5, 1));
$this->assertFalse(grapheme_substr($c, -42, 1));
$this->assertFalse(grapheme_substr($c, 42, 5));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_substr
*
* @requires PHP 8
*/
#[RequiresPhp('< 8')]
public function testGraphemeSubstrReturnsEmptyPostPHP8()
{
$c = 'déjà';
$this->assertSame('', grapheme_substr($c, 5, 1));
$this->assertSame('d', grapheme_substr($c, -5, 1));
$this->assertSame('d', grapheme_substr($c, -42, 1));
$this->assertSame('', grapheme_substr($c, 42, 5));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strpos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_stripos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strrpos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strripos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_position
*/
public function testGraphemeStrpos()
{
if (80000 > \PHP_VERSION_ID) {
$this->assertFalse(grapheme_strpos('abc', ''));
} else {
$this->assertSame(0, grapheme_strpos('abc', ''));
}
$this->assertFalse(grapheme_strpos('abc', 'd'));
$this->assertFalse(grapheme_strpos('abc', 'a', 3));
$this->assertFalse(grapheme_strpos('abc', 'a', -1));
$this->assertSame(1, grapheme_strpos('한국어', '국'));
$this->assertSame(3, grapheme_stripos('DÉJÀ', 'à'));
if (80000 > \PHP_VERSION_ID) {
$this->assertFalse(grapheme_strrpos('한국어', ''));
} else {
$this->assertSame(3, grapheme_strrpos('한국어', ''));
}
$this->assertSame(1, grapheme_strrpos('한국어', '국'));
$this->assertSame(3, grapheme_strripos('DÉJÀ', 'à'));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strpos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_stripos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strrpos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strripos
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_position
*/
public function testGraphemeStrposWithNegativeOffset()
{
$this->assertSame(3, grapheme_strpos('abca', 'a', -1));
$this->assertSame(3, grapheme_stripos('abca', 'A', -1));
$this->assertSame(4, grapheme_strripos('DEJAA', 'a'));
$this->assertSame(3, grapheme_strripos('DEJAA', 'a', -2));
$this->assertFalse(grapheme_strripos('DEJAA', 'a', -3));
$this->assertSame(4, grapheme_strrpos('DEJAA', 'A'));
$this->assertSame(3, grapheme_strrpos('DEJAA', 'A', -2));
$this->assertFalse(grapheme_strrpos('DEJAA', 'A', -3));
}
/**
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_strstr
* @covers \Symfony\Polyfill\Intl\Grapheme\Grapheme::grapheme_stristr
*/
public function testGraphemeStrstr()
{
$this->assertSame('국어', grapheme_strstr('한국어', '국'));
$this->assertSame('ÉJÀ', grapheme_stristr('DÉJÀ', 'é'));
}
}
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