#626790 by justinrandell: Fixed bug where drupal_write_record() returns FALSE for valid update queries.

1 files changed, 6 insertions, 0 deletions

diff --git a/modules/simpletest/tests/common.test b/modules/simpletest/tests/common.test
index 8b2e24e21..35a2a7f87 100644
--- a/modules/simpletest/tests/common.test
+++ b/modules/simpletest/tests/common.test
@@ -1476,6 +1476,12 @@ class DrupalDataApiTest extends DrupalWebTestCase {
     $update_result = drupal_write_record('taxonomy_vocabulary', $vocabulary, array('vid'));
     $this->assertTrue($update_result == SAVED_UPDATED, t('Correct value returned when a record updated with drupal_write_record() for table with single-field primary key.'));
 
+    // Run an update query where no field values are changed. The database
+    // layer should return zero for number of affected rows, but
+    // db_write_record() should still return SAVED_UPDATED.
+    $update_result = drupal_write_record('taxonomy_vocabulary', $vocabulary, array('vid'));
+    $this->assertTrue($update_result == SAVED_UPDATED, t('Correct value returned when a valid update is run without changing any values.'));
+
     // Insert an object record for a table with a multi-field primary key.
     $node_access = new stdClass();
     $node_access->nid = mt_rand();