Declare classes final

Author: sebastianbergmann

tests/_files/AlternativeSuffixTest.test.php

@@ -11,7 +11,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class AlternativeSuffixTest extends TestCase
+final class AlternativeSuffixTest extends TestCase
 {
     public function testOne(): void
     {

tests/_files/AssertionExample.php

@@ -11,7 +11,7 @@
 
 use function assert;
 
-class AssertionExample
+final class AssertionExample
 {
     public function doSomething(): void
     {

tests/_files/AssertionExampleTest.php

@@ -11,7 +11,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class AssertionExampleTest extends TestCase
+final class AssertionExampleTest extends TestCase
 {
     public function testOne(): void
     {

tests/_files/Author.php

@@ -9,7 +9,7 @@
  */
 namespace PHPUnit\TestFixture;
 
-class Author
+final class Author
 {
     // the order of properties is important for testing the cycle!
     public $books = [];

tests/_files/BankAccount.php

@@ -9,14 +9,14 @@
  */
 namespace PHPUnit\TestFixture;
 
-class BankAccount
+final class BankAccount
 {
     /**
      * The bank account's balance.
      *
      * @var float
      */
-    protected $balance = 0;
+    private $balance = 0;
 
     /**
      * Returns the bank account's balance.
@@ -63,7 +63,7 @@ public function withdrawMoney($balance)
      *
      * @throws BankAccountException
      */
-    protected function setBalance($balance): void
+    private function setBalance($balance): void
     {
         if ($balance >= 0) {
             $this->balance = $balance;

tests/_files/BankAccountException.php

@@ -11,6 +11,6 @@
 
 use RuntimeException;
 
-class BankAccountException extends RuntimeException
+final class BankAccountException extends RuntimeException
 {
 }

tests/_files/BankAccountTest.php

@@ -14,7 +14,7 @@
 use PHPUnit\Framework\TestCase;
 
 #[CoversFunction(BankAccount::class)]
-class BankAccountTest extends TestCase
+final class BankAccountTest extends TestCase
 {
     #[Group('balanceIsInitiallyZero')]
     #[Group('specification')]

tests/_files/BeforeClassAndAfterClassTest.php

@@ -11,7 +11,7 @@
 
 use PHPUnit\Framework\TestCase;
 
-class BeforeClassAndAfterClassTest extends TestCase
+final class BeforeClassAndAfterClassTest extends TestCase
 {
     public static $beforeClassWasRun = 0;
     public static $afterClassWasRun  = 0;

tests/_files/BeforeClassWithOnlyDataProviderTest.php

@@ -12,7 +12,7 @@
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
-class BeforeClassWithOnlyDataProviderTest extends TestCase
+final class BeforeClassWithOnlyDataProviderTest extends TestCase
 {
     public static $setUpBeforeClassWasCalled;
     public static $beforeClassWasCalled;

tests/_files/Book.php

@@ -9,7 +9,7 @@
  */
 namespace PHPUnit\TestFixture;
 
-class Book
+final class Book
 {
     // the order of properties is important for testing the cycle!
     public $author;