X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3778b4d9c7eebc39f496a9dd055638e06fb9140..5f9e369af0c834bbde0f7f5d2047abd736967f58:/tests/config/fileconf.cpp

diff --git a/tests/config/fileconf.cpp b/tests/config/fileconf.cpp
index 7a9c2d73f6..4e3d8aa42f 100644
--- a/tests/config/fileconf.cpp
+++ b/tests/config/fileconf.cpp
@@ -3,7 +3,6 @@
 // Purpose:     wxFileConf unit test
 // Author:      Vadim Zeitlin
 // Created:     2004-09-19
-// RCS-ID:      $Id$
 // Copyright:   (c) 2004 Vadim Zeitlin
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -71,6 +70,7 @@ private:
         CPPUNIT_TEST( Save );
         CPPUNIT_TEST( DeleteEntry );
         CPPUNIT_TEST( DeleteAndWriteEntry );
+        CPPUNIT_TEST( DeleteLastRootEntry );
         CPPUNIT_TEST( DeleteGroup );
         CPPUNIT_TEST( DeleteAll );
         CPPUNIT_TEST( RenameEntry );
@@ -95,6 +95,7 @@ private:
     void Save();
     void DeleteEntry();
     void DeleteAndWriteEntry();
+    void DeleteLastRootEntry();
     void DeleteGroup();
     void DeleteAll();
     void RenameEntry();
@@ -376,6 +377,24 @@ void FileConfigTestCase::DeleteAndWriteEntry()
     wxVERIFY_FILECONFIG( "", fc );
 }
 
+void FileConfigTestCase::DeleteLastRootEntry()
+{
+    // This tests for the bug which occurred when the last entry of the root
+    // group was deleted: this corrupted internal state and resulted in a crash
+    // after trying to write the just deleted entry again.
+    wxStringInputStream sis("");
+    wxFileConfig fc(sis);
+
+    fc.Write("key", "value");
+    wxVERIFY_FILECONFIG( "key=value\n", fc );
+
+    fc.DeleteEntry("key");
+    wxVERIFY_FILECONFIG( "", fc );
+
+    fc.Write("key", "value");
+    wxVERIFY_FILECONFIG( "key=value\n", fc );
+}
+
 void FileConfigTestCase::DeleteGroup()
 {
     wxStringInputStream sis(testconfig);