Corcel\Providers\AuthUserProvider::validateCredentials PHP Method

    public function validateCredentials(Authenticatable $user, array $credentials)
    {
        if (!isset($credentials['password'])) {
            return false;
        }
        $passwordService = new PasswordService();
        return $passwordService->check($credentials['password'], $user->user_pass);
    }

 public function testUserProvider()
 {
     $userProvider = new AuthUserProvider(null);
     $passwordService = new PasswordService();
     $user = new User();
     $user->user_pass = $passwordService->makeHash('admin');
     $this->assertTrue($userProvider->validateCredentials($user, ['password' => 'admin']));
     $this->assertFalse($userProvider->validateCredentials($user, ['password' => 'admin`']));
     $user->user_pass = $passwordService->makeHash('(V-._p@q8sK=TK1QYHIi');
     $this->assertTrue($userProvider->validateCredentials($user, ['password' => '(V-._p@q8sK=TK1QYHIi']));
     $this->assertFalse($userProvider->validateCredentials($user, ['password' => '(V-._p@q8sK=TK1QYHIi)`']));
     $user->user_pass = $passwordService->makeHash(')_)E~O79}?w+5"4&6{!;ct>656Lx~5');
     $this->assertTrue($userProvider->validateCredentials($user, ['password' => ')_)E~O79}?w+5"4&6{!;ct>656Lx~5']));
     $this->assertFalse($userProvider->validateCredentials($user, ['password' => ') )E~O79}?w+5"4&6{!;ct>656Lx~5`']));
 }