Fix bug in abstract decoder.

Author: lindyhopchris

src/Decoders/AbstractDecoder.php

@@ -28,8 +28,6 @@
 abstract class AbstractDecoder implements DecoderInterface
 {
 
-    const ERROR_INVALID_JSON = 'invalid-json';
-
     /**
      * @param $content
      * @param bool|false $assoc
@@ -45,7 +43,7 @@ public function parseJson($content, $assoc = false, $depth = 512, $options = 0)
             throw new ThrowableError([
                 ThrowableError::TITLE => 'Invalid JSON',
                 ThrowableError::DETAIL => 'Request body content could not be parsed as JSON: ' . json_last_error_msg(),
-            ], 400, static::ERROR_INVALID_JSON);
+            ], 400);
         }
 
         return $parsed;

src/Error/ThrowableError.php

@@ -69,6 +69,7 @@ class ThrowableError extends RuntimeException implements ErrorInterface
 
     /**
      * @param string $titleOrArray
+     * @param int|null $status
      * @param null $code
      * @param Exception|null $previous
      */

test/Decoders/DocumentDecoderTest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace CloudCreativity\JsonApi\Decoders;
+
+use CloudCreativity\JsonApi\Error\ThrowableError;
+
+class DocumentDecoderTest extends \PHPUnit_Framework_TestCase
+{
+
+    public function testInvalidJson()
+    {
+        $content = <<<EOL
+        {
+            "data": {
+                "type": "foo"
+        }
+EOL;
+
+        $decoder = new DocumentDecoder();
+
+        $this->setExpectedException(ThrowableError::class);
+        $decoder->decode($content);
+    }
+}