endtoend-test-psl/tests/Psl/Str/Byte/SpliceTest.php

<?php

declare(strict_types=1);

namespace Psl\Tests\Str\Byte;

use PHPUnit\Framework\TestCase;
use Psl\Str\Byte;

class SpliceTest extends TestCase
{
    /**
     * @dataProvider provideData
     */
    public function testSplice(string $expected, string $string, string $replacement, int $offset, ?int $length = null): void
    {
        self::assertSame($expected, Byte\splice($string, $replacement, $offset, $length));
    }

    public function provideData(): array
    {
        return [
            ['', '', '', 0, null, ],
            ['hello darkness', 'hello world', 'darkness', 6, null, ],
            ['hello cruel world', 'hello world', ' cruel ', 5, 1],
            ['hello cruel world', 'hello world', ' cruel ', -6, 1, ],
            ['hello cruel world', 'hello world', ' cruel', 5, 0, ],
            ['hello darkness', 'hello ', 'darkness', 6, null, ],
            ['hello darkness', 'hello world', 'darkness', 6, 100, ],
            ['hello darkness', 'hello world', 'darkness', 6, 11, ],
            ['People linked by destiny will always find each other.', 'People linked by destiny will find each other.', ' always ', 29, 1],
        ];
    }
}