bug #367 Question helper return zero as string (LeJeanbono)

This PR was squashed before being merged into the 1.0-dev branch (closes #367).

Discussion
----------

Question helper return zero as string

Fix #366

Commits
-------

af48996 Question helper return zero as string

Author: weaverryan

src/Util/ClassSourceManipulator.php

@@ -404,7 +404,7 @@ private function quoteAnnotationValue($value)
             return 'null';
         }
 
-        if (\is_int($value)) {
+        if (\is_int($value) || '0' === $value) {
             return $value;
         }
 

tests/Util/ClassSourceManipulatorTest.php

@@ -237,6 +237,17 @@ public function getAddEntityFieldTests()
             ],
             'User_simple_prop_already_exists.php'
         ];
+
+        yield 'entity_field_property_zero' => [
+            'User_simple.php',
+            'decimal',
+            [
+                'type' => 'decimal',
+                'precision' => 6,
+                'scale' => 0,
+            ],
+            'User_simple_prop_zero.php'
+        ];
     }
 
     /**

tests/Util/fixtures/add_entity_field/User_simple_prop_zero.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ */
+class User
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     */
+    private $id;
+
+    /**
+     * @ORM\Column(type="decimal", precision=6, scale=0)
+     */
+    private $decimal;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getDecimal()
+    {
+        return $this->decimal;
+    }
+
+    public function setDecimal($decimal): self
+    {
+        $this->decimal = $decimal;
+
+        return $this;
+    }
+}