Disallow multiple classes per file (#40) (#40)

Author: MidnightDesign

tests/RulesTest.php

@@ -30,6 +30,8 @@ final class RulesTest extends TestCase
         // PHPCS doesn't seem to have a rule for heredoc/nowdoc indentation
         ['NowdocNotIndented.php', 'phpcs'],
         ['HeredocNotIndented.php', 'phpcs'],
+        // PHP CS Fixer has no rule for multiple classes per file
+        ['multiple-classes-per-file.php', 'php-cs-fixer'],
     ];
 
     private static function phpCsFixerCommand(string $file): string

tests/fixtures/invalid/multiple-classes-per-file.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Invalid;
+
+class Foo
+{
+}
+
+class Bar
+{
+}