From 29456a6c0ab4a79b82a3c5c7cda813e2f235c607 Mon Sep 17 00:00:00 2001
From: Dave Halter <davidhalter88@gmail.com>
Date: Fri, 28 Dec 2018 02:05:27 +0100
Subject: [PATCH] Add a check to see if leaves have the right start positions

---
 test/test_diff_parser.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/test_diff_parser.py b/test/test_diff_parser.py
index 8bd64d2..9b93a21 100644
--- a/test/test_diff_parser.py
+++ b/test/test_diff_parser.py
@@ -41,6 +41,11 @@ def _assert_valid_graph(node):
     try:
         children = node.children
     except AttributeError:
+        previous_leaf = node.get_previous_leaf()
+        if previous_leaf is not None:
+            if previous_leaf.type != 'error_leaf' or previous_leaf.token_type != 'INDENT':
+                assert previous_leaf.end_pos == node.get_start_pos_of_prefix(), \
+                    (previous_leaf, node)
         return
 
     for child in children: