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<?php
namespace Faker\Test\Calculator;
use Faker\Calculator\Isbn;
use Faker\Test\TestCase;
final class IsbnTest extends TestCase
{
public function isbnChecksumProvider(): iterable
{
yield ['997150210', '0'];
yield ['999215810', '7'];
yield ['960425059', '0'];
}
public function isbnValidationProvider(): iterable
{
yield ['9971502100', true];
yield ['0754013235', true];
yield ['093583933X', true];
yield ['0935839330', false];
yield ['1434856045', false];
yield ['143485604', false];
yield ['093583933A', false];
}
/**
* @dataProvider isbnChecksumProvider
*/
public function testChecksumIsbn(string $partial, string $checksum): void
{
self::assertSame($checksum, Isbn::checksum($partial));
}
public function testInvalidChecksumIsbn(): void
{
$this->expectException(\LengthException::class);
Isbn::checksum('9971502100');
}
/**
* @dataProvider isbnValidationProvider
*/
public function testIsbnValidation(string $isbn, bool $valid): void
{
self::assertSame($valid, Isbn::isValid($isbn));
}
}
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