def test_hcr_header_loads_invalid_signature(self):
hcrh = hcr_header.HcrHeader()
try:
hcrh.loads(32*' ')
self.fail('parsing of empty string succeeded?')
except InvalidHcrHeaderError:
pass
def test_hcr_header_dumps_empty(self):
hcrh = hcr_header.HcrHeader()
self.assertEquals(len(hcrh.dumps()), 32)
expected_data = hex_to_bindata(
"48435266 0000 0000 00000000 00000000"+\
"00000000 000000000000000000000000")
self.assertEquals(hcrh.dumps(), expected_data)
def test_hcr_header_loads_some_data(self):
hcrh = hcr_header.HcrHeader()
header_data = hex_to_bindata(
"48435266 0500 0600 0A000000 12000000"+\
"20000000 000000000000000000000000")
hcrh.loads(header_data)
self.assertEquals(hcrh.version, 5)
self.assertEquals(hcrh.flags, 6)
self.assertEquals(hcrh.nrecords, 10)
self.assertEquals(hcrh.lsd_offset, 18)
self.assertEquals(hcrh.lsd_size, 32)
def test_hcr_header_dumps_some_data(self):
hcrh = hcr_header.HcrHeader()
hcrh.version = 5
hcrh.flags = 6
hcrh.nrecords = 10
hcrh.lsd_offset = 18
hcrh.lsd_size = 32
expected_data = hex_to_bindata(
"48435266 0500 0600 0A000000 12000000"+\
"20000000 000000000000000000000000")
self.assertEquals(hcrh.dumps(), expected_data)
def test_hcr_header_loads_zero(self):
hcrh = hcr_header.HcrHeader()
header_data = hex_to_bindata(
"48435266 0000 0000 00000000 00000000"+\
"00000000 000000000000000000000000")
hcrh.loads(header_data)
self.assertEquals(hcrh.version, 0)
self.assertEquals(hcrh.flags, 0)
self.assertEquals(hcrh.nrecords, 0)
self.assertEquals(hcrh.lsd_offset, 0)
self.assertEquals(hcrh.lsd_size, 0)