Fixed issue where a false positive occured for colors

src/Output/ConsoleFormatter.php

@@ -55,7 +55,7 @@ public function format(array $files): string
             );
             $out .= "--------------------------------------------------------------------------------\n";
 
-            $size = array_reduce($violations, function (int $total, Violation $v) {
+            $size         = array_reduce($violations, function (int $total, Violation $v) {
                 return max($total, strlen((string) $v->getLine()));
             }, 0);
             $message_size = 80 - ($size + 4);

src/Sniff/ColorSniff.php

@@ -35,9 +35,13 @@ public function process(File $file, int $stack_ptr): void
         $token = $file->get($stack_ptr);
 
         if (in_array($token->chars, self::CSS_RULES, true) || 1 === preg_match('/-color$/', $token->chars)) {
-            $t = $file->findNext(Token::T_WORD, $stack_ptr + 1);
+            $end_of_line = $file->findNext(Token::T_SEMICOLON, $stack_ptr + 1);
+            $t           = $file->findNext(Token::T_WORD, $stack_ptr + 1);
 
-            if (null !== $t && $t->chars[0] === '#' && 1 !== preg_match('/^#[0-9a-f]{6}$/', $t->chars)) {
+            if ($this->isBefore($t, $end_of_line)
+                && $t->chars[0] === '#'
+                && 1 !== preg_match('/^#[0-9a-f]{6}$/', $t->chars)
+            ) {
                 $file->addViolation(
                     self::class,
                     'Colors should always be 6 characters hex values.',
@@ -48,4 +52,17 @@ public function process(File $file, int $stack_ptr): void
             }
         }
     }
+
+    private function isBefore(?Token $token, ?Token $ref): bool
+    {
+        if (null === $token) {
+            return false;
+        }
+
+        if (null === $ref) {
+            return true;
+        }
+
+        return $token->lines[0] <= $ref->lines[0] && $token->offsets[0] <= max($ref->offsets);
+    }
 }

test/FileTest.php

@@ -15,7 +15,7 @@ class FileTest extends TestCase
 {
     public function testGeneric()
     {
-        $file        = new File('phpunit', [
+        $file = new File('phpunit', [
             $token_1 = new Token(Token::T_WORD, 'foobar', 1, 0),
             $token_2 = new Token(Token::T_WHITESPACE, ' ', 1, 6),
             $token_3 = new Token(Token::T_WORD, 'barbaz', 1, 7),

test/Sniff/ColorSniffTest.php

@@ -65,6 +65,7 @@ public function testSniffVariants()
             new Violation(ColorSniff::class, 'Colors should always be 6 characters hex values.', 13, 17, 21),
             new Violation(ColorSniff::class, 'Colors should always be 6 characters hex values.', 14, 23, 27),
             new Violation(ColorSniff::class, 'Colors should always be 6 characters hex values.', 15, 17, 21),
+            new Violation(ColorSniff::class, 'Colors should always be 6 characters hex values.', 36, 26, 30),
         ], $file->getViolations());
     }
 }

test/Sniff/fixtures/color_variants.less

@@ -30,3 +30,7 @@ good {
     border-top-color: #ffffff;
     box-shadow: #ffffff;
 }
+
+#foo { background: #ffffff; }
+#bar { background-color: #ffffff; }
+#baz { background-color: #fff; }