| import unittest |
| from beamboot.hf_decoder_cpu import DecoderCPU |
| from beamboot.large_cpu import LargeCPU, LargeRuntime |
|
|
|
|
| class DecoderCPUTests(unittest.TestCase): |
| def test_transition_in_stock_decoder(self): |
| program = [('LDI', 7), ('STORE', 3), ('LDI', 2), ('ADDM', 3), |
| ('STORE', 4), ('LOAD', 3), ('OUT', 0), ('LOAD', 4), |
| ('OUT', 0), ('SUB', 9), ('JZ', 12), ('HALT', 0), ('HALT', 0)] |
| actual = DecoderCPU(program) |
| ref = LargeRuntime(LargeCPU(program)) |
| for _ in range(30): |
| got, expected = actual.step(), ref.step() |
| self.assertEqual(got, expected) |
| if got.halt: break |
| self.assertTrue(actual.halted) |
|
|
| def test_monitor_boots_and_adds(self): |
| from beamboot.os import OperatingMonitor |
| machine = OperatingMonitor(backend='decoder') |
| self.assertEqual(machine.boot(), 'BEAM>\n') |
| self.assertEqual(machine.version(), 'BEAMBOOT 0.1\n') |
| self.assertEqual(machine.add(7, 8), 15) |
| self.assertEqual(machine.add(15, 3), 2) |
|
|
