diff --git a/includes/WdEntityWrapper.php b/includes/WdEntityWrapper.php
index d6db9ed..47e4892 100644
--- a/includes/WdEntityWrapper.php
+++ b/includes/WdEntityWrapper.php
@@ -287,4 +287,17 @@ class WdEntityWrapper {
     return new $class($this->value()->original);
   }
 
+  /**
+   * Checks if a field changed after entity update.
+   * Warning: does not currently work consistently with formatted text fields
+   * and text with summary fields. (Drupal adds missing array keys during
+   * save process)
+   *
+   * @param $name
+   * @return boolean
+   */
+  public function isChanged($name) {
+    return $this->get($name) != $this->getOriginal()->get($name);
+  }
+
 }
diff --git a/tests/wrappers_delight.test b/tests/wrappers_delight.test
index 692eee2..4998d11 100644
--- a/tests/wrappers_delight.test
+++ b/tests/wrappers_delight.test
@@ -217,5 +217,21 @@ class WrappersDelightEntityHooksTestCase extends WrappersDelightTestCase {
     $this->assertEqual($wd_test_results['node']['presave']['original']['body'], $body[LANGUAGE_NONE][0]['value']);
     $this->assertEqual($wd_test_results['node']['update']['original']['title'], $title);
     $this->assertEqual($wd_test_results['node']['update']['original']['body'], $body[LANGUAGE_NONE][0]['value']);
+    // Test is changed
+    $this->assertTrue($wd_test_results['node']['presave']['is_changed']['title']);
+    $this->assertTrue($wd_test_results['node']['presave']['is_changed']['body']);
+    $this->assertFalse($wd_test_results['node']['presave']['is_changed']['created']);
+    $this->assertTrue($wd_test_results['node']['update']['is_changed']['title']);
+    $this->assertTrue($wd_test_results['node']['update']['is_changed']['body']);
+    $this->assertFalse($wd_test_results['node']['update']['is_changed']['created']);
+
+    $node->title = 'Yet another title.';
+    node_save($node);
+    $this->assertTrue($wd_test_results['node']['presave']['is_changed']['title']);
+    $this->assertFalse($wd_test_results['node']['presave']['is_changed']['body']);
+    $this->assertFalse($wd_test_results['node']['presave']['is_changed']['created']);
+    $this->assertTrue($wd_test_results['node']['update']['is_changed']['title']);
+    $this->assertFalse($wd_test_results['node']['update']['is_changed']['body']);
+    $this->assertFalse($wd_test_results['node']['update']['is_changed']['created']);
   }
 }
\ No newline at end of file
diff --git a/tests/wrappers_delight_test_module.module b/tests/wrappers_delight_test_module.module
index 04e4866..57b74af 100644
--- a/tests/wrappers_delight_test_module.module
+++ b/tests/wrappers_delight_test_module.module
@@ -15,6 +15,9 @@ function wrappers_delight_test_module_entity_presave($entity, $type) {
     $wd_test_results['node']['presave']['is_new'] = $wrapped->isNew();
     $wd_test_results['node']['presave']['original']['title'] = $wrapped->getOriginal()->getTitle();
     $wd_test_results['node']['presave']['original']['body'] = $wrapped->getOriginal()->getText('body', WdEntityWrapper::FORMAT_PLAIN);
+    $wd_test_results['node']['presave']['is_changed']['title'] = $wrapped->isChanged('title');
+    $wd_test_results['node']['presave']['is_changed']['body'] = $wrapped->isChanged('body');
+    $wd_test_results['node']['presave']['is_changed']['created'] = $wrapped->isChanged('created');
   }
 }
 
@@ -41,5 +44,8 @@ function wrappers_delight_test_module_entity_update($entity, $type) {
     $wd_test_results['node']['update']['is_new'] = $wrapped->isNew();
     $wd_test_results['node']['update']['original']['title'] = $wrapped->getOriginal()->getTitle();
     $wd_test_results['node']['update']['original']['body'] = $wrapped->getOriginal()->getText('body', WdEntityWrapper::FORMAT_PLAIN);
+    $wd_test_results['node']['update']['is_changed']['title'] = $wrapped->isChanged('title');
+    $wd_test_results['node']['update']['is_changed']['body'] = $wrapped->isChanged('body');
+    $wd_test_results['node']['update']['is_changed']['created'] = $wrapped->isChanged('created');
   }
 }
\ No newline at end of file