--- a/tests/test-import.t Wed Oct 14 02:40:04 2015 +0900
+++ b/tests/test-import.t Tue Oct 13 12:25:43 2015 -0700
@@ -428,6 +428,25 @@
working directory now based on revision 0
$ hg --cwd b parents --template 'parent: {rev}\n'
parent: 0
+
+Test that "hg rollback" doesn't restore dirstate to one at the
+beginning of the rollbacked transaction in not-"parent-gone" case.
+
+invoking pretxncommit hook will cause marking '.hg/dirstate' as a file
+to be restored at rollbacking, after DirstateTransactionPlan (see wiki
+page for detail).
+
+ $ hg --cwd b branch -q foobar
+ $ hg --cwd b commit -m foobar
+ $ hg --cwd b update 0 -q
+ $ hg --cwd b import ../patch1 ../patch2 --config hooks.pretxncommit=true
+ applying ../patch1
+ applying ../patch2
+ $ hg --cwd b update -q 1
+ $ hg --cwd b rollback -q
+ $ hg --cwd b parents --template 'parent: {rev}\n'
+ parent: 1
+
$ rm -r b