--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-merge-closedheads.t	Wed Aug 18 04:21:10 2010 +0530
@@ -0,0 +1,84 @@
+  $ hgcommit() {
+  >    hg commit -u user -d '0 0' "$@"
+  > }
+
+  $ hg init clhead
+  $ cd clhead
+
+  $ touch foo && hg add && hgcommit -m 'foo'
+  adding foo
+  $ touch bar && hg add && hgcommit -m 'bar'
+  adding bar
+  $ touch baz && hg add && hgcommit -m 'baz'
+  adding baz
+
+  $ echo "flub" > foo
+  $ hgcommit -m "flub"
+  $ echo "nub" > foo
+  $ hgcommit -m "nub"
+
+  $ hg up -C 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ echo "c1" > c1
+  $ hg add c1
+  $ hgcommit -m "c1"
+  created new head
+  $ echo "c2" > c1
+  $ hgcommit -m "c2"
+
+  $ hg up -C 2
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+
+  $ echo "d1" > d1
+  $ hg add d1
+  $ hgcommit -m "d1"
+  created new head
+  $ echo "d2" > d1
+  $ hgcommit -m "d2"
+  $ hg tag -l good
+
+fail with three heads
+  $ hg up -C good
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg merge
+  abort: branch 'default' has 3 heads - please merge with an explicit rev
+  (run 'hg heads .' to see heads)
+
+close one of the heads
+  $ hg up -C 6
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hgcommit -m 'close this head' --close-branch
+
+succeed with two open heads
+  $ hg up -C good
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg up -C good
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg merge
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hgcommit -m 'merged heads'
+
+hg update -C 8
+  $ hg update -C 8
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+hg branch some-branch
+  $ hg branch some-branch
+  marked working directory as branch some-branch
+hg commit
+  $ hgcommit -m 'started some-branch'
+hg commit --close-branch
+  $ hgcommit --close-branch -m 'closed some-branch'
+
+hg update default
+  $ hg update default
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+hg merge some-branch
+  $ hg merge some-branch
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+hg commit (no reopening of some-branch)
+  $ hgcommit -m 'merge with closed branch'
+