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autogen: repro for the bug (#13607)

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* autogen: repro for the test

* mute
This commit is contained in:
nimlgen
2025-12-07 15:51:03 +03:00
committed by GitHub
parent 4eae4b0ce6
commit ac5f1e115d
1 changed files with 51 additions and 0 deletions
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51
test/unit/test_autogen.py
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@@ -110,4 +110,55 @@ class TestAutogen(unittest.TestCase):
assert frts_cmd.readVbiosDesc.__class__ is FWSECLIC_READ_VBIOS_DESC
assert frts_cmd.frtsRegionDesc.__class__ is FWSECLIC_FRTS_REGION_DESC
@unittest.skip("fails")
@unittest.skipIf(WIN, "doesn't compile on windows")
def test_packed_fields(self):
uint8_t = ctypes.c_ubyte
uint16_t = ctypes.c_ushort
uint32_t = ctypes.c_uint32
class struct_die_info(Struct): pass
struct_die_info._packed_ = True
struct_die_info._fields_ = [
('die_id', uint16_t),
('die_offset', uint16_t),
]
die_info = struct_die_info
class struct_ip_discovery_header(Struct): pass
class struct_ip_discovery_header_0(ctypes.Union): pass
class struct_ip_discovery_header_0_0(Struct): pass
uint8_t = ctypes.c_ubyte
struct_ip_discovery_header_0_0._fields_ = [
('base_addr_64_bit', uint8_t,1),
('reserved', uint8_t,7),
('reserved2', uint8_t),
]
struct_ip_discovery_header_0._anonymous_ = ['_0']
struct_ip_discovery_header_0._packed_ = True
struct_ip_discovery_header_0._fields_ = [
('padding', (uint16_t * 1)),
('_0', struct_ip_discovery_header_0_0),
]
struct_ip_discovery_header._anonymous_ = ['_0']
struct_ip_discovery_header._packed_ = True
struct_ip_discovery_header._fields_ = [
('signature', uint32_t),
('version', uint16_t),
('size', uint16_t),
('id', uint32_t),
('num_dies', uint16_t),
('die_info', (die_info * 16)),
('_0', struct_ip_discovery_header_0),
]
ip_discovery_header = struct_ip_discovery_header
hdr = b'IPDS\x04\x00|\x1d\x80\x1a\xffd\x01\x00\x00\x00\x8c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00' # noqa: E501
ihdr = ip_discovery_header.from_buffer_copy(hdr)
assert ctypes.sizeof(ihdr) == 80
assert ihdr.signature == 0x53445049
assert ihdr.version == 0x0004
assert ihdr.num_dies == 1
assert ihdr.base_addr_64_bit == 1
if __name__ == "__main__": unittest.main()