diff --git a/src/Symfony/Components/Form/Field.php b/src/Symfony/Components/Form/Field.php
index 2467a9558e..5da5d0e9f8 100644
--- a/src/Symfony/Components/Form/Field.php
+++ b/src/Symfony/Components/Form/Field.php
@@ -42,7 +42,7 @@ abstract class Field extends Configurable implements FieldInterface
         $this->addOption('property_path', (string)$key);
 
         $this->key = (string)$key;
-        $this->locale = \Locale::getDefault();
+        $this->locale = class_exists('\Locale', false) ? \Locale::getDefault() : 'en';
         $this->generator = new HtmlGenerator();
 
         parent::__construct($options);
diff --git a/src/Symfony/Components/Form/ValueTransformer/BaseValueTransformer.php b/src/Symfony/Components/Form/ValueTransformer/BaseValueTransformer.php
index 680a713536..346fb7795a 100644
--- a/src/Symfony/Components/Form/ValueTransformer/BaseValueTransformer.php
+++ b/src/Symfony/Components/Form/ValueTransformer/BaseValueTransformer.php
@@ -27,7 +27,7 @@ abstract class BaseValueTransformer extends Configurable implements ValueTransfo
      */
     public function __construct(array $options = array())
     {
-        $this->locale = \Locale::getDefault();
+        $this->locale = class_exists('\Locale', false) ? \Locale::getDefault() : 'en';
 
         parent::__construct($options);
     }
diff --git a/tests/Symfony/Tests/Components/Form/DateTimeTestCase.php b/tests/Symfony/Tests/Components/Form/DateTimeTestCase.php
index 29f3602449..dcacdfacc3 100644
--- a/tests/Symfony/Tests/Components/Form/DateTimeTestCase.php
+++ b/tests/Symfony/Tests/Components/Form/DateTimeTestCase.php
@@ -2,7 +2,9 @@
 
 namespace Symfony\Tests\Components\Form;
 
-class DateTimeTestCase extends \PHPUnit_Framework_TestCase
+require_once __DIR__ . '/LocalizedTestCase.php';
+
+class DateTimeTestCase extends LocalizedTestCase
 {
     public static function assertDateTimeEquals(\DateTime $expected, \DateTime $actual)
     {
diff --git a/tests/Symfony/Tests/Components/Form/FieldGroupTest.php b/tests/Symfony/Tests/Components/Form/FieldGroupTest.php
index a5e8bdc19d..a6e3db3cdb 100644
--- a/tests/Symfony/Tests/Components/Form/FieldGroupTest.php
+++ b/tests/Symfony/Tests/Components/Form/FieldGroupTest.php
@@ -634,7 +634,7 @@ class FieldGroupTest extends \PHPUnit_Framework_TestCase
         $group->add($field);
         $group->setLocale('de_DE');
 
-        $this->assertEquals(array(\Locale::getDefault(), 'de_DE'), $field->locales);
+        $this->assertEquals(array(class_exists('\Locale', false) ? \Locale::getDefault() : 'en', 'de_DE'), $field->locales);
     }
 
     public function testTranslatorIsPassedToField_SetBeforeAddingTheField()
diff --git a/tests/Symfony/Tests/Components/Form/IntegerFieldTest.php b/tests/Symfony/Tests/Components/Form/IntegerFieldTest.php
index d35b6e8ee2..ac4aa465ed 100644
--- a/tests/Symfony/Tests/Components/Form/IntegerFieldTest.php
+++ b/tests/Symfony/Tests/Components/Form/IntegerFieldTest.php
@@ -3,10 +3,11 @@
 namespace Symfony\Tests\Components\Form;
 
 require_once __DIR__ . '/../../../../bootstrap.php';
+require_once __DIR__ . '/LocalizedTestCase.php';
 
 use Symfony\Components\Form\IntegerField;
 
-class IntegerFieldTest extends \PHPUnit_Framework_TestCase
+class IntegerFieldTest extends LocalizedTestCase
 {
     public function testBindCastsToInteger()
     {
diff --git a/tests/Symfony/Tests/Components/Form/LocalizedTestCase.php b/tests/Symfony/Tests/Components/Form/LocalizedTestCase.php
new file mode 100644
index 0000000000..c97a19a6ab
--- /dev/null
+++ b/tests/Symfony/Tests/Components/Form/LocalizedTestCase.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Symfony\Tests\Components\Form;
+
+class LocalizedTestCase extends \PHPUnit_Framework_TestCase
+{
+    public function setUp()
+    {
+        if (!extension_loaded('intl')) {
+            $this->markTestSkipped('The "intl" extension is not available');
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/Symfony/Tests/Components/Form/MoneyFieldTest.php b/tests/Symfony/Tests/Components/Form/MoneyFieldTest.php
index 86c51b3788..6b227ec4d3 100644
--- a/tests/Symfony/Tests/Components/Form/MoneyFieldTest.php
+++ b/tests/Symfony/Tests/Components/Form/MoneyFieldTest.php
@@ -3,10 +3,11 @@
 namespace Symfony\Tests\Components\Form;
 
 require_once __DIR__ . '/../../../../bootstrap.php';
+require_once __DIR__ . '/LocalizedTestCase.php';
 
 use Symfony\Components\Form\MoneyField;
 
-class MoneyFieldTest extends \PHPUnit_Framework_TestCase
+class MoneyFieldTest extends LocalizedTestCase
 {
     public function testRenderWithoutCurrency()
     {
diff --git a/tests/Symfony/Tests/Components/Form/NumberFieldTest.php b/tests/Symfony/Tests/Components/Form/NumberFieldTest.php
index dc2934b34a..838c29acd9 100644
--- a/tests/Symfony/Tests/Components/Form/NumberFieldTest.php
+++ b/tests/Symfony/Tests/Components/Form/NumberFieldTest.php
@@ -3,10 +3,11 @@
 namespace Symfony\Tests\Components\Form;
 
 require_once __DIR__ . '/../../../../bootstrap.php';
+require_once __DIR__ . '/LocalizedTestCase.php';
 
 use Symfony\Components\Form\NumberField;
 
-class NumberFieldTest extends \PHPUnit_Framework_TestCase
+class NumberFieldTest extends LocalizedTestCase
 {
     public function testRender()
     {
diff --git a/tests/Symfony/Tests/Components/Form/PercentFieldTest.php b/tests/Symfony/Tests/Components/Form/PercentFieldTest.php
index 531041bd15..0aa631f37d 100644
--- a/tests/Symfony/Tests/Components/Form/PercentFieldTest.php
+++ b/tests/Symfony/Tests/Components/Form/PercentFieldTest.php
@@ -3,10 +3,11 @@
 namespace Symfony\Tests\Components\Form;
 
 require_once __DIR__ . '/../../../../bootstrap.php';
+require_once __DIR__ . '/LocalizedTestCase.php';
 
 use Symfony\Components\Form\PercentField;
 
-class PercentFieldTest extends \PHPUnit_Framework_TestCase
+class PercentFieldTest extends LocalizedTestCase
 {
     public function testRender()
     {
diff --git a/tests/Symfony/Tests/Components/Form/ValueTransformer/DateTimeToLocalizedStringTransformerTest.php b/tests/Symfony/Tests/Components/Form/ValueTransformer/DateTimeToLocalizedStringTransformerTest.php
index dda3da248a..fc90cf98c6 100644
--- a/tests/Symfony/Tests/Components/Form/ValueTransformer/DateTimeToLocalizedStringTransformerTest.php
+++ b/tests/Symfony/Tests/Components/Form/ValueTransformer/DateTimeToLocalizedStringTransformerTest.php
@@ -15,6 +15,8 @@ class DateTimeToLocalizedStringTransformerTest extends DateTimeTestCase
 
     public function setUp()
     {
+        parent::setUp();
+
         $this->dateTime = new \DateTime('2010-02-03 04:05:06 UTC');
         $this->dateTimeWithoutSeconds = new \DateTime('2010-02-03 04:05:00 UTC');
     }
diff --git a/tests/Symfony/Tests/Components/Form/ValueTransformer/NumberToLocalizedStringTransformerTest.php b/tests/Symfony/Tests/Components/Form/ValueTransformer/NumberToLocalizedStringTransformerTest.php
index 52012e2f31..ba70c75249 100644
--- a/tests/Symfony/Tests/Components/Form/ValueTransformer/NumberToLocalizedStringTransformerTest.php
+++ b/tests/Symfony/Tests/Components/Form/ValueTransformer/NumberToLocalizedStringTransformerTest.php
@@ -3,11 +3,13 @@
 namespace Symfony\Tests\Components\Form\ValueTransformer;
 
 require_once __DIR__ . '/../../../../../bootstrap.php';
+require_once __DIR__ . '/../LocalizedTestCase.php';
 
 use Symfony\Components\Form\ValueTransformer\NumberToLocalizedStringTransformer;
+use Symfony\Tests\Components\Form\LocalizedTestCase;
 
 
-class NumberToLocalizedStringTransformerTest extends \PHPUnit_Framework_TestCase
+class NumberToLocalizedStringTransformerTest extends LocalizedTestCase
 {
     public function testTransform()
     {
diff --git a/tests/Symfony/Tests/Components/Form/ValueTransformer/PercentToLocalizedStringTransformerTest.php b/tests/Symfony/Tests/Components/Form/ValueTransformer/PercentToLocalizedStringTransformerTest.php
index a4e1663408..f70c8aaed0 100644
--- a/tests/Symfony/Tests/Components/Form/ValueTransformer/PercentToLocalizedStringTransformerTest.php
+++ b/tests/Symfony/Tests/Components/Form/ValueTransformer/PercentToLocalizedStringTransformerTest.php
@@ -3,11 +3,13 @@
 namespace Symfony\Tests\Components\Form\ValueTransformer;
 
 require_once __DIR__ . '/../../../../../bootstrap.php';
+require_once __DIR__ . '/../LocalizedTestCase.php';
 
 use Symfony\Components\Form\ValueTransformer\PercentToLocalizedStringTransformer;
+use Symfony\Tests\Components\Form\LocalizedTestCase;
 
 
-class PercentToLocalizedStringTransformerTest extends \PHPUnit_Framework_TestCase
+class PercentToLocalizedStringTransformerTest extends LocalizedTestCase
 {
     public function testTransform()
     {