Fix 6 char hex color code #217

Author: casperbakker

src/Helpers/ColorHelper.php

@@ -36,8 +36,8 @@ public static function getArrayFromColorString(string $color): array {
         if (str_starts_with($color, '#') && strlen($color) === 7) {
             return [
                 hexdec(substr($color, 1, 2)),
-                hexdec(substr($color, 2, 2)),
                 hexdec(substr($color, 3, 2)),
+                hexdec(substr($color, 5, 2)),
             ];
         }
 

tests/Helpers/ColorHelperTest.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Helpers;
+
+use Picqer\Barcode\Exceptions\UnknownColorException;
+use Picqer\Barcode\Helpers\ColorHelper;
+use PHPUnit\Framework\TestCase;
+
+class ColorHelperTest extends TestCase
+{
+    public function test_convert_color_black()
+    {
+        $result = ColorHelper::getArrayFromColorString('black');
+
+        $this->assertEquals([0, 0, 0], $result);
+    }
+
+    public function test_convert_color_hex_345()
+    {
+        $result = ColorHelper::getArrayFromColorString('#345');
+
+        $this->assertEquals([51, 68, 85], $result);
+    }
+
+    public function test_convert_color_hex_334455()
+    {
+        $result = ColorHelper::getArrayFromColorString('#334455');
+
+        $this->assertEquals([51, 68, 85], $result);
+    }
+
+    public function test_convert_color_hex_632343()
+    {
+        $result = ColorHelper::getArrayFromColorString('#632343');
+
+        $this->assertEquals([99, 35, 67], $result);
+    }
+
+    public function test_throws_exception_on_unknown_color()
+    {
+        $this->expectException(UnknownColorException::class);
+
+        ColorHelper::getArrayFromColorString('aubergine');
+    }
+}