# HG changeset patch
# User Simon Sapin <simon.sapin@octobus.net>
# Date 1611836737 -3600
# Node ID 3df00f90545874755c6e9b62be1b1483400e7e4c
# Parent  5b747aa1b2be614da13c4a9a00180a15e0fe76b1
persistent-nodemap: add test case reproducing a Rust panic

Thanks to Mitchell Plamann for reporting this bug.
The next commit fixes it.

Differential Revision: https://phab.mercurial-scm.org/D9900

diff -r 5b747aa1b2be -r 3df00f905458 tests/test-persistent-nodemap.t
--- a/tests/test-persistent-nodemap.t	Sun Jan 24 19:14:50 2021 -0500
+++ b/tests/test-persistent-nodemap.t	Thu Jan 28 13:25:37 2021 +0100
@@ -31,6 +31,15 @@
 
 #endif
 
+#if rust
+
+Reported bug: some Rust code panics when handling the null revision
+
+  $ hg log -r 00000000 2>&1 | grep panicked
+  thread '<unnamed>' panicked at 'called `Option::unwrap()` on a `None` value', hg-cpython/src/revlog.rs:* (glob)
+
+#endif
+
 
   $ hg debugformat
   format-variant     repo