Add some test cases for malformed expressions.

Also fix a tokenizer nit: a '!' at the end of a line can be tokenized
(though it's meaningless).

1 files changed, 1 insertions, 3 deletions

diff --git a/kconfiglib.py b/kconfiglib.py
index 81659ca..fc5d14f 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -751,9 +751,7 @@ class Config(object):
                     i += 1
 
                 elif c == "!":
-                    if i >= len(s):
-                        _tokenization_error(s, filename, linenr)
-                    if s[i] == "=":
+                    if i < len(s) and s[i] == "=":
                         append(T_UNEQUAL)
                         i += 1
                     else: