From 5e54e2cd43c5f3c530706291d860ba1bf817986c Mon Sep 17 00:00:00 2001
From: Ulf Magnusson <ulfalizer@gmail.com>
Date: Sun, 7 Jun 2015 06:07:19 +0200
Subject: Unset user values when loading a zero-byte .config.

Minor bug due to an early return from load_config(). Piggyback a
refactoring of the code. Reading the header is unlikely to be
performance-sensitive.

Add a testcase too.
---
 testsuite.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'testsuite.py')

diff --git a/testsuite.py b/testsuite.py
index e225cbb..3407e0a 100644
--- a/testsuite.py
+++ b/testsuite.py
@@ -1333,6 +1333,10 @@ def run_selftests():
     verify_value("BOOL", "n")
     verify_value("STRING", "foo bar")
 
+    # Loading a completely empty .config should also reset values
+    c.load_config("Kconfiglib/tests/empty")
+    verify_value("STRING", "")
+
     #
     # get_config()
     #
-- 
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