From 0533c1b40faae44c90e99e8522b8e08f2255379f Mon Sep 17 00:00:00 2001
From: Bernhard Schussek <bschussek@gmail.com>
Date: Sat, 28 Jan 2012 14:21:37 +0100
Subject: [PATCH] [Form] Fixed: IntegerToLocalizedStringTransformer does not
 accept "NaN" as valid number anymore

---
 .../IntegerToLocalizedStringTransformer.php   |  4 ++++
 ...ntegerToLocalizedStringTransformerTest.php | 20 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformer.php
index 6e0877dade..2e4a734ac2 100644
--- a/src/Symfony/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformer.php
+++ b/src/Symfony/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformer.php
@@ -35,6 +35,10 @@ class IntegerToLocalizedStringTransformer extends NumberToLocalizedStringTransfo
             return null;
         }
 
+        if ('NaN' === $value) {
+            throw new TransformationFailedException('"NaN" is not a valid integer');
+        }
+
         $formatter = $this->getNumberFormatter();
         $value = $formatter->parse(
             $value,
diff --git a/tests/Symfony/Tests/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformerTest.php b/tests/Symfony/Tests/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformerTest.php
index ac4512808d..e04b3ad12b 100644
--- a/tests/Symfony/Tests/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformerTest.php
+++ b/tests/Symfony/Tests/Component/Form/Extension/Core/DataTransformer/IntegerToLocalizedStringTransformerTest.php
@@ -70,4 +70,24 @@ class IntegerToLocalizedStringTransformerTest extends LocalizedTestCase
 
         $transformer->reverseTransform('foo');
     }
+
+    /**
+     * @expectedException Symfony\Component\Form\Exception\TransformationFailedException
+     */
+    public function testReverseTransformDisallowsNaN()
+    {
+        $transformer = new IntegerToLocalizedStringTransformer();
+
+        $transformer->reverseTransform('NaN');
+    }
+
+    /**
+     * @expectedException Symfony\Component\Form\Exception\TransformationFailedException
+     */
+    public function testReverseTransformDisallowsNaN2()
+    {
+        $transformer = new IntegerToLocalizedStringTransformer();
+
+        $transformer->reverseTransform('nan');
+    }
 }