diff --git a/modules/simpletest/tests/database_test.test b/modules/simpletest/tests/database_test.test
index 3325b189e542..80b7dc26be7f 100644
--- a/modules/simpletest/tests/database_test.test
+++ b/modules/simpletest/tests/database_test.test
@@ -1789,6 +1789,22 @@ class DatabaseRegressionTestCase extends DatabaseTestCase {
     $from_database = db_query("SELECT name FROM {test} WHERE name = :name", array(':name' => $name))->fetchField();
     $this->assertIdentical($name, $from_database, t("The database handles UTF-8 characters cleanly."));
   }
+
+  /**
+   * Test the db_column_exists() function.
+   */
+  function testDBColumnExists() {
+    $this->assertTrue(db_column_exists('node', 'nid'), t('Returns true for existent column.'));
+    $this->assertFalse(db_column_exists('node', 'nosuchcolumn'), t('Returns false for nonexistent column.'));
+  }
+
+  /**
+   * Test the db_table_exists() function.
+   */
+  function testDBTableExists() {
+    $this->assertTrue(db_table_exists('node'), t('Returns true for existent table.'));
+    $this->assertFalse(db_table_exists('nosuchtable'), t('Returns false for nonexistent table.'));
+  }
 }
 
 /**