diff --git modules/comment/comment.test modules/comment/comment.test
index edb82b1..bf2e920 100644
--- modules/comment/comment.test
+++ modules/comment/comment.test
@@ -1232,3 +1232,30 @@ class CommentContentRebuild extends CommentHelperCase {
     $this->assertFalse(isset($built_content['test_property']), t('Comment content was emptied before being built.'));
   }
 }
+
+/**
+ * Ensure that hook_comment_load is actually called.
+ */
+class CommentCallHookLoad extends CommentHelperCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'Call hook_comment_load',
+      'description' => 'Make sure that hook_comment_load is actually called.',
+      'group' => 'Comment',
+    );
+  }
+
+  function setUp() {
+    // Enable dummy module that implements hook_node_view.
+    parent::setUp();
+    module_enable(array('comment_hook_test'));
+  }
+  
+  function testHookCalled() {
+    $this->drupalLogin($this->admin_user);
+    parent::postComment($this->node, 'this is a comment');
+    $this->drupalGet('node/' . $this->node->nid);
+    $this->assertText('hook_comment_load was called');
+    $this->drupalLogout();
+  }
+}
\ No newline at end of file
diff --git modules/comment/tests/comment_hook_test.module modules/comment/tests/comment_hook_test.module
index c9e9a02..5013fe7 100644
--- modules/comment/tests/comment_hook_test.module
+++ modules/comment/tests/comment_hook_test.module
@@ -11,6 +11,6 @@
  */
 function comment_hook_test_comment_load($comments) {
   foreach($comments as $comment) {
-    $comment->subject = 'the hook was called';
+    $comment->subject = 'hook_comment_load was called';
   }
 }
diff --git modules/comment/tests/comment_hook_test.info modules/comment/tests/comment_hook_test.info
new file mode 100644
index 0000000..4048e5d
--- /dev/null
+++ modules/comment/tests/comment_hook_test.info
@@ -0,0 +1,8 @@
+; $Id: node_test.info,v 1.1 2009/04/02 20:47:54 dries Exp $
+name = "Comment hook test"
+description = "Test whether a hook is called on a comment."
+package = Testing
+version = VERSION
+core = 7.x
+files[] = comment_hook_test.module
+hidden = TRUE
\ No newline at end of file
diff --git modules/comment/tests/comment_hook_test.module modules/comment/tests/comment_hook_test.module
new file mode 100644
index 0000000..c9e9a02
--- /dev/null
+++ modules/comment/tests/comment_hook_test.module
@@ -0,0 +1,16 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Dummy module to test that hook_comment_load is called as expected.
+ */
+
+/**
+ * Implements hook_comment_load().
+ */
+function comment_hook_test_comment_load($comments) {
+  foreach($comments as $comment) {
+    $comment->subject = 'the hook was called';
+  }
+}