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// PHPUnit data provider /** @dataProvider invalidEmails */ public function test_invalid_email_fails(string $email): void { $this->expectException(ValidationException::class); validateEmail($email); } public static function invalidEmails(): array { return [["notanemail"], ["@no-local.com"], ["missing@dot"], [""]]; } // Pest dataset (equivalent) dataset("invalid_emails", ["notanemail", "@no-local.com", "missing@dot", ""]); it("rejects invalid email", function (string $email) { expect(fn() => validateEmail($email))->toThrow(ValidationException::class); })->with("invalid_emails");
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