diff --git a/tests/FieldDefinitionTest.php b/tests/FieldDefinitionTest.php
index ed378d6..a561fa6 100644
--- a/tests/FieldDefinitionTest.php
+++ b/tests/FieldDefinitionTest.php
@@ -30,4 +30,35 @@ class FieldDefinitionTest extends \PHPUnit_Framework_TestCase
         $this->assertArrayHasKey('Hotel Information', $byGroup);
         $this->assertArrayHasKey('Metadata', $byGroup);
     }
+
+    public function testAddFieldValues()
+    {
+        $fdo = new FieldDefinition('hotel');
+        $fdo->addFieldValues(array('url'=>'http://example.org/'), array('USER_NAME'=>'John Doe'));
+        $fd = $fdo->getFieldData();
+        $this->assertArrayHasKey('fields', $fd);
+        $this->assertArrayHasKey('url', $fd['fields']);
+        $this->assertArrayHasKey('underName_name', $fd['fields']);
+        $this->assertEquals('http://example.org/', $fd['fields']['url']['value']);
+        $this->assertEquals('John Doe', $fd['fields']['underName_name']['value']);
+    }
+
+    public function testSupportValues()
+    {
+        $fdo = new FieldDefinition('hotel');
+        $fdo->addFieldValues(array('modifiedTime'=>'2016-01-01 01:01:01'));
+        $fd = $fdo->getFieldData();
+        $this->assertArrayHasKey('today', $fd['fields']['modifiedTime']);
+        $this->assertEquals(date('Y-m-d'), $fd['fields']['modifiedTime']['today']);
+    }
+
+    public function testTranslatedValues()
+    {
+        ini_set('date.timezone', 'Europe/Berlin');
+        $fdo = new FieldDefinition('hotel');
+        $fdo->addFieldValues(array('modifiedTime'=>'2016-01-01 01:01:01'));
+        $fd = $fdo->getFieldData();
+        $this->assertArrayHasKey('value_unixtime', $fd['fields']['modifiedTime']);
+        $this->assertEquals(1451606461, $fd['fields']['modifiedTime']['value_unixtime']);
+    }
 }