Fix invalid format MIME type definition

src/Image/Format.php

@@ -152,11 +152,11 @@ protected static function create($formatID)
     {
         switch ($formatID) {
             case static::ID_JPEG:
-                return new static($formatID, 'jpg', 'image/jpeg', array('jpg', 'pjpeg', 'jfif'));
+                return new static($formatID, 'image/jpeg', 'jpg', array('jpg', 'pjpeg', 'jfif'));
             case static::ID_WBMP:
-                return new static($formatID, 'jpg', 'vnd.wap.wbmp');
+                return new static($formatID, 'image/vnd.wap.wbmp', $formatID);
             default:
-                return new static($formatID, $formatID, "image/{$formatID}");
+                return new static($formatID, "image/{$formatID}", $formatID);
         }
     }
 }

tests/tests/Image/FormatTest.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Imagine package.
+ *
+ * (c) Bulat Shakirzyanov <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Imagine\Test\Image;
+
+use Imagine\Image\Format;
+use Imagine\Test\ImagineTestCase;
+
+class FormatTest extends ImagineTestCase
+{
+    public function formatIdMimeTypeProvider()
+    {
+        return array(
+            array(Format::ID_JPEG, 'image/jpeg'),
+            array(Format::ID_WBMP, 'image/vnd.wap.wbmp'),
+            array(Format::ID_AVIF, 'image/avif'),
+            array(Format::ID_WEBP, 'image/webp'),
+        );
+    }
+
+    /**
+     * @dataProvider formatIdMimeTypeProvider
+     *
+     * @param string $formatId
+     * @param string $expectedMimeType
+     */
+    public function testMimeTypes($formatId, $expectedMimeType)
+    {
+        $format = Format::get($formatId);
+
+        $this->assertEquals($format->getMimeType(), $expectedMimeType);
+    }
+}