1 files changed, 37 insertions, 0 deletions
diff --git a/modules/simpletest/tests/database_test.test b/modules/simpletest/tests/database_test.test
index 16199c345..10afff465 100644
--- a/modules/simpletest/tests/database_test.test
+++ b/modules/simpletest/tests/database_test.test
@@ -2216,6 +2216,43 @@ class DatabaseSelectPagerDefaultTestCase extends DatabaseTestCase {
       ->fetchCol();
     $this->assertEqual($ages, array('George', 'Ringo'), t('Pager query with having expression returned the correct ages.'));
   }
+  
+  /**
+  * Confirm that every pager gets a valid non-overlaping element ID.
+  */
+  function testElementNumbers() {
+    $_GET['page'] = '3, 2, 1, 0';
+    
+    $name = db_select('test', 't')->extend('PagerDefault')
+      ->element(2)
+      ->fields('t', array('name'))
+      ->orderBy('age')
+      ->limit(1)
+      ->execute()
+      ->fetchField();
+    $this->assertEqual($name, 'Paul', t('Pager query #1 with a specified element ID returned the correct results.'));
+    
+    // Setting an element smaller than the previous one
+    // should not overwrite the pager $maxElement with a smaller value.
+    $name = db_select('test', 't')->extend('PagerDefault')
+      ->element(1)
+      ->fields('t', array('name'))
+      ->orderBy('age')
+      ->limit(1)
+      ->execute()
+      ->fetchField();
+    $this->assertEqual($name, 'George', t('Pager query #2 with a specified element ID returned the correct results.'));
+  
+    $name = db_select('test', 't')->extend('PagerDefault')
+      ->fields('t', array('name'))
+      ->orderBy('age')
+      ->limit(1)
+      ->execute()
+      ->fetchField();
+    $this->assertEqual($name, 'John', t('Pager query #3 with a generated element ID returned the correct results.'));
+    
+    unset($_GET['page']);
+  }
 }