Index: modules/simpletest/drupal_web_test_case.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/drupal_web_test_case.php,v
retrieving revision 1.51
diff -u -p -r1.51 drupal_web_test_case.php
--- modules/simpletest/drupal_web_test_case.php	15 Oct 2008 16:05:51 -0000	1.51
+++ modules/simpletest/drupal_web_test_case.php	17 Oct 2008 19:18:55 -0000
@@ -558,6 +558,34 @@ class DrupalWebTestCase {
   }
 
   /**
+   * Grant the anonymous user role a set of permissions.
+   *
+   * @param $permissions
+   *   Array of permission names to assign.
+   * @return
+   *   Boolean, TRUE on success.
+   */
+  function drupalAnonymousUserPermissions($permissions = NULL) {
+    if ($permissions === NULL) {
+      $permissions = array('access content');
+    }
+
+    if (!$this->checkPermissions($permissions)) {
+      return FALSE;
+    }
+
+    // Clear out existing permissions for the anonymous user role.
+    db_query("DELETE FROM {role_permission} WHERE rid = %d", array(1));
+    foreach ($permissions as $permission_string) {
+      db_query("INSERT INTO {role_permission} (rid, permission) VALUES (%d, '%s')", 1, $permission_string);
+    }
+
+    $count = db_result(db_query("SELECT COUNT(*) FROM {role_permission} WHERE rid = %d", array(1)));
+    $this->assertTrue($count == count($permissions), t('Granted anonymous user permissions: %perms', array('5perms' => implode(', ', $permissions))));
+    return $count == count($permissions);
+  }
+
+  /**
    * Internal helper function; Create a role with specified permissions.
    *
    * @param $permissions
Index: modules/user/user.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.test,v
retrieving revision 1.17
diff -u -p -r1.17 user.test
--- modules/user/user.test	10 Oct 2008 07:49:49 -0000	1.17
+++ modules/user/user.test	17 Oct 2008 19:18:57 -0000
@@ -570,3 +570,46 @@ class UserAutocompleteTestCase extends D
     $this->assertRaw($this->unprivileged_user->name, t('User name found in autocompletion results.'));
   }
 }
+
+/**
+ * Test anonymous users.
+ */
+class UserAnonymousTestCase extends DrupalWebTestCase {
+  /**
+   * Implementation of getInfo().
+   */
+  function getInfo() {
+    return array(
+      'name' => t('Anonymous users'),
+      'description' => t('Test anonymous users.'),
+      'group' => t('User')
+    );
+  }
+
+  /**
+   * Implementation of setUp().
+   */
+  function setUp() {
+    parent::setUp();
+
+    // Setup some permissions.
+    $this->invalid_permissions = array('invalid permission');
+    $this->valid_permissions = array('access content', 'view revisions');
+    $this->mixed_permissions = array_merge($this->invalid_permissions, $this->valid_permissions);
+
+    // Get anonymous user.
+    $this->anonymous_user = user_load(0);
+  }
+
+  /**
+   * Test anonymous user permissions.
+   */
+  function testAnonymousUserPermissions() {
+    $this->assertTrue($this->drupalAnonymousUserPermissions($this->valid_permissions), t('Granted anonymous user a valid set of permissions.'));
+
+    foreach ($this->valid_permissions as $permission) {
+      $this->assertTrue(user_access($permission, $this->anonymous_user), t('Anonymous user has the %perm permission', array('%perm' => $permission)));
+    }
+  }
+}
+