fix

Author: portey

Tests/Parser/ParserTest.php

@@ -303,6 +303,20 @@ public function testParser($query, $structure)
     public function queryProvider()
     {
         return [
+            [
+                '{ test (id: -5) { id } } ',
+                [
+                    'queries'   => [
+                        new Query('test', null, [
+                            new Argument('id', new Literal(-5))
+                        ], [
+                            new Field('id'),
+                        ])
+                    ],
+                    'mutations' => [],
+                    'fragments' => []
+                ]
+            ],
             [
                 'query CheckTypeOfLuke {
                   hero(episode: EMPIRE) {
@@ -474,4 +488,4 @@ public function queryProvider()
         ];
     }
 
-}
+}

src/Parser/Tokenizer.php

@@ -225,7 +225,9 @@ protected function getKeyword($name)
     protected function scanNumber()
     {
         $start = $this->pos;
-
+        if ($this->source[$this->pos] === '-') {
+            ++$this->pos;
+        }
 
         $this->skipInteger();
 
@@ -337,4 +339,4 @@ protected function createUnexpected(Token $token)
 
         return new SyntaxErrorException('Unexpected token');
     }
-}
+}