# File lib/Borges/TestCase/StateRegistryTest.rb, line 68
  def test_no_change_after_restore
    a = ValueHolder.new(1)

    @registry.register(a)

    snap1 = @registry.snapshot

    a.contents = 2

    snap2 = @registry.snapshot

    assert(!snapshot_identical_to(snap1, snap2))

    @registry.restore_snapshot(snap1)

    assert_equal(1, a.contents)

    snap3 = @registry.snapshot

    assert(snapshot_identical_to(snap1, snap3))
  end