Handle class syntax in UnaryOperatorsSniff (#181)

closes GH-179

Author: mmoll

Symfony/Sniffs/ControlStructure/UnaryOperatorsSniff.php

@@ -58,6 +58,12 @@ public function process(File $phpcsFile, $stackPtr)
     {
         $tokens = $phpcsFile->getTokens();
 
+        if (T_CLASS === $tokens[$stackPtr + 1]['code']
+            || T_SELF === $tokens[$stackPtr + 1]['code']
+        ) {
+            return;
+        }
+
         if ((T_VARIABLE !== $tokens[$stackPtr - 1]['code']
             && T_VARIABLE !== $tokens[$stackPtr + 1]['code'])
             && (T_OBJECT_OPERATOR !== $tokens[$stackPtr - 2]['code'])

Symfony/Tests/ControlStructure/UnaryOperatorsUnitTest.inc

@@ -46,4 +46,36 @@ $a[0] --;
 
 ++ $a[0];
 
--- $a[0];
+-- $a[0];
+
+++Class::$v;
+
+--Class::$v;
+
+Class::$v++;
+
+Class::$v--;
+
+++ Class::$v;
+
+-- Class::$v;
+
+Class::$v ++;
+
+Class::$v --;
+
+++self::$v;
+
+--self::$v;
+
+self::$v++;
+
+self::$v--;
+
+++ self::$v;
+
+-- self::$v;
+
+self::$v ++;
+
+self::$v --;

Symfony/Tests/ControlStructure/UnaryOperatorsUnitTest.php

@@ -55,6 +55,14 @@ public function getErrorList()
             45 => 1,
             47 => 1,
             49 => 1,
+            59 => 1,
+            61 => 1,
+            63 => 1,
+            65 => 1,
+            75 => 1,
+            77 => 1,
+            79 => 1,
+            81 => 1,
         );
     }