Various fixes esp. on Windows

Author: nicolas-grekas

ChoiceList/Factory/CachingFactoryDecorator.php

@@ -62,7 +62,7 @@ public static function generateHash($value, $namespace = '')
             });
         }
 
-        return hash('sha256', $namespace.':'.json_encode($value));
+        return hash('sha256', $namespace.':'.serialize($value));
     }
 
     /**

Tests/Extension/Core/DataTransformer/NumberToLocalizedStringTransformerTest.php

@@ -92,11 +92,6 @@ public function testTransformWithScale()
 
     public function transformWithRoundingProvider()
     {
-        // Since we test against "de_AT", we need the full implementation
-        IntlTestHelper::requireFullIntl($this);
-
-        \Locale::setDefault('de_AT');
-
         return array(
             // towards positive infinity (1.6 -> 2, -1.6 -> -1)
             array(0, 1234.5, '1235', NumberToLocalizedStringTransformer::ROUND_CEILING),
@@ -189,6 +184,11 @@ public function transformWithRoundingProvider()
      */
     public function testTransformWithRounding($scale, $input, $output, $roundingMode)
     {
+        // Since we test against "de_AT", we need the full implementation
+        IntlTestHelper::requireFullIntl($this);
+
+        \Locale::setDefault('de_AT');
+
         $transformer = new NumberToLocalizedStringTransformer($scale, null, $roundingMode);
 
         $this->assertEquals($output, $transformer->transform($input));