folkert/python-pdp1170
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add tests for LDA with/without checksum on END block

Browse source
This commit is contained in:
Neil Webber 2024-05-08 18:00:27 -05:00
parent 9428e4744a
commit 932fbd9ae2
1 changed files with 20 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
pdptests.py
View file

@ -1759,18 +1759,29 @@ class TestMethods(unittest.TestCase):
1, 0, 9, 0, 6, 8, # testing lack of zero skip 1, 0, 9, 0, 6, 8, # testing lack of zero skip
7, 8, 9, 7, 8, 9,
208, 208,
]
# the END block # test two variations of the END block, with and without checksum
# The docs say no checksum is present so it never really gets read
# if it is there (so the harder test is if it is not there)
endblk_with = [
1, 0, 6, 0, 1, 1, 247 1, 0, 6, 0, 1, 1, 247
] ]
with io.BytesIO(bytes(ldabytes)) as f:
addr = boot.load_lda_f(p, f) endblk_without = [
self.assertEqual(addr, 257) # just "known" from data above 1, 0, 6, 0, 1, 1
# this range of addresses and the related data is just "known" ]
# from the data bytes above
baseaddr = 0x800 for tbytes in (ldabytes + endblk_with, ldabytes + endblk_without):
for offset in range(9): with io.BytesIO(bytes(tbytes)) as f:
self.assertEqual(p.mmu.byteRW(baseaddr+offset), offset+1)
addr = boot.load_lda_f(p, f)
self.assertEqual(addr, 257) # just "known" from data above
# this range of addresses and the related data is just "known"
# from the data bytes above
baseaddr = 0x800
for offset in range(9):
self.assertEqual(p.mmu.byteRW(baseaddr+offset), offset+1)
def test_physrw_n(self): def test_physrw_n(self):
p = self.make_pdp() p = self.make_pdp()