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Calculator
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Editing: IsbnTest.php
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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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