python: Add unit test for new RLenValue type

Signed-off-by: Alex Nelson <ajnelson@cs.ucsc.edu>

diff --git a/python/t/120-rlenvalue.py b/python/t/120-rlenvalue.py
new file mode 100644 (file)
index 0000000..ebc48f5
--- /dev/null
+++ b/python/t/120-rlenvalue.py
@@ -0,0 +1,42 @@
+# hivex Python bindings
+# Copyright (C) 2010 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Demonstrate value_data_cell_offset by looking at the value data at
+# "\$$$PROTO.HIV\ModerateValueParent\33Bytes", verified to be at file
+# offset 8680 (0x21e8) of the hive rlenvalue_test_hive.  The returned
+# length and offset for this value cell should be 37 bytes, position
+# 8712.
+
+import os
+import hivex
+
+srcdir = os.environ["srcdir"]
+if not srcdir:
+    srcdir = "."
+
+h = hivex.Hivex ("%s/../images/rlenvalue_test_hive" % srcdir)
+assert h
+
+root = h.root ()
+
+moderate_value_node = h.node_get_child (root, "ModerateValueParent")
+
+moderate_value_value = h.node_get_value (moderate_value_node, "33Bytes")
+
+r = h.value_data_cell_offset (moderate_value_value)
+assert r[0] == 37L
+assert r[1] == 8712L