From patchwork Thu Jan 28 12:41:47 2021
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Subject: D9900: persistent-nodemap: add test case reproducing a Rust panic
From: phabricator <phabricator@mercurial-scm.org>
X-Patchwork-Id: 48211
Message-Id: <differential-rev-PHID-DREV-74ynrriml5ir2bjh6rwv-req@mercurial-scm.org>
To: Phabricator <phabricator@mercurial-scm.org>
Cc: mercurial-devel@mercurial-scm.org
Date: Thu, 28 Jan 2021 12:41:47 +0000

SimonSapin created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  The next commit fixes the bug.

REPOSITORY
  rHG Mercurial

BRANCH
  stable

REVISION DETAIL
  https://phab.mercurial-scm.org/D9900

AFFECTED FILES
  tests/test-persistent-nodemap.t

CHANGE DETAILS




To: SimonSapin, #hg-reviewers
Cc: mercurial-patches, mercurial-devel

diff --git a/tests/test-persistent-nodemap.t b/tests/test-persistent-nodemap.t
--- a/tests/test-persistent-nodemap.t
+++ b/tests/test-persistent-nodemap.t
@@ -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