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# Copyright (C) 2007 Canonical Ltd
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests of the parent related functions of WorkingTrees."""
from bzrlib import (
uncommit,
)
from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree
class TestUncommit(TestCaseWithWorkingTree):
def test_uncommit_to_null(self):
tree = self.make_branch_and_tree('branch')
tree.lock_write()
revid = tree.commit('a revision')
tree.unlock()
uncommit.uncommit(tree.branch, tree=tree)
self.assertEqual([], tree.get_parent_ids())
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