def test_mvwp_copy():
# compares equal to copied MultiVectorWP but not to MultiVector
mv0 = MultiVector()
mv1 = MultiVectorWithProjection()
mis1 = MultiindexSet.createCompleteOrderSet(3, 4)
mv0.set_defaults(mis1, FlatVector([3, 4, 5]))
mv1.set_defaults(mis1, FlatVector([3, 4, 5]))
mv2 = mv1.copy()
assert_equal(mv2, mv1)
assert_not_equal(mv2, mv0)
# compares equal if project methods match, make sure project method is copied
mv3 = MultiVectorWithProjection(project=lambda : None)
mv3.set_defaults(mis1, FlatVector([3, 4, 5]))
mv4 = mv3.copy()
assert_not_equal(mv2, mv3)
assert_equal(mv4, mv3)
