def test_build_sequence_loop(self) -> None:
sequencer = DummySequencer(DummySequencingHardware())
block = DummyInstructionBlock()
delegator = DummySequencingElement()
body = DummySequencingElement()
trigger = Trigger()
condition = HardwareCondition(trigger)
condition.build_sequence_loop(delegator, body, sequencer, [], block)
self.assertEqual(1, len(block.embedded_blocks))
body_block = block.embedded_blocks[0]
self.assertEqual(
[CJMPInstruction(trigger, body_block, 0)],
block.instructions,
"The expected conditional jump was not generated by HardwareConditon.",
)
self.assertEqual(
InstructionPointer(block, 0),
body_block.return_ip,
"The return address of the loop body block was set wrongly by HardwareCondition.",
)
self.assertEqual(
{body_block: [(body, [])]},
sequencer.sequencing_stacks,
"HardwareCondition did not correctly push the body element to the stack",
)
