diff --git a/core/modules/field/tests/field.test b/core/modules/field/tests/field.test
index 3566484..cb5b8ee 100644
--- a/core/modules/field/tests/field.test
+++ b/core/modules/field/tests/field.test
@@ -1326,7 +1326,6 @@ class FieldFormTestCase extends FieldTestCase {
     $this->drupalGet('test-entity/add/test-bundle');
     $this->assertFieldByName("{$this->field_name}[$langcode][0][value]", '', 'Widget is displayed');
     $this->assertNoField("{$this->field_name}[$langcode][1][value]", 'No extraneous widget is displayed');
-    // TODO : check that the widget is populated with default value ?
 
     // Submit with invalid value (field-level validation).
     $edit = array("{$this->field_name}[$langcode][0][value]" => -1);
@@ -1364,7 +1363,34 @@ class FieldFormTestCase extends FieldTestCase {
     $this->assertRaw(t('test_entity @id has been updated.', array('@id' => $id)), 'Entity was updated');
     $entity = field_test_entity_test_load($id);
     $this->assertIdentical($entity->{$this->field_name}, array(), 'Field was emptied');
+  }
 
+  /**
+   * Tests field widget default values on entity forms.
+   */
+  function testFieldFormDefaultValue() {
+    $this->field = $this->field_single;
+    $this->field_name = $this->field['field_name'];
+    $this->instance['field_name'] = $this->field_name;
+    $default = rand(1, 127);
+    $this->instance['default_value'] = array(array('value' => $default));
+    field_create_field($this->field);
+    field_create_instance($this->instance);
+    $langcode = LANGUAGE_NOT_SPECIFIED;
+
+    // Display creation form.
+    $this->drupalGet('test-entity/add/test-bundle');
+    // Test that the default value is displayed correctly.
+    $this->assertFieldByXpath("//input[@name='{$this->field_name}[$langcode][0][value]' and @value='$default']");
+
+    // Try to submit an empty value.
+    $edit = array("{$this->field_name}[$langcode][0][value]" => '');
+    $this->drupalPost(NULL, $edit, t('Save'));
+    preg_match('|test-entity/manage/(\d+)/edit|', $this->url, $match);
+    $id = $match[1];
+    $this->assertRaw(t('test_entity @id has been created.', array('@id' => $id)), 'Entity was updated');
+    $entity = field_test_entity_test_load($id);
+    $this->assertEqual($entity->{$this->field_name}[$langcode][0]['value'], '', 'Field is now empty.');
   }
 
   function testFieldFormSingleRequired() {