def test_build_sequence_branch_false(self):
sequencer = DummySequencer(DummySequencingHardware())
block = DummyInstructionBlock()
delegator = DummySequencingElement()
if_branch = DummySequencingElement()
else_branch = DummySequencingElement()
callback = IterationCallbackDummy(False)
condition = SoftwareCondition(lambda loop_iteration: callback.callback(loop_iteration))
condition.build_sequence_branch(delegator, if_branch, else_branch, sequencer, [], block)
self.assertEqual(0, callback.loop_iteration)
self.assertFalse(block.instructions)
self.assertEqual({block: [(else_branch, [])]}, sequencer.sequencing_stacks)
condition.build_sequence_branch(delegator, if_branch, else_branch, sequencer, [], block)
self.assertEqual(0, callback.loop_iteration)
