def test_write_int_array(self):
writer = tools.BinaryWriter(self.tmp_file.name, endian='=')
values = [2, 4, 6, 8, 10]
writer.write('i', values, length=len(values))
del writer
reader = tools.BinaryReader(self.tmp_file.name, endian='=')
self.assertEqual(values, reader.read('i', length=len(values)))
def test_read_native_chars(self):
# Write some binary values
value = 'abcdef'
self.tmp_file.file.write(bytearray(value))
self.tmp_file.close()
# Read the values back
reader = tools.BinaryReader(self.tmp_file.name, endian='=')
r = reader.read('c', len(value), 0)
self.assertEqual(r, list(value))
def test_write_single_values(self):
writer = tools.BinaryWriter(self.tmp_file.name, endian='=')
writer.write('i', 42)
writer.write('h', 33)
writer.write('c', 'a')
del writer
reader = tools.BinaryReader(self.tmp_file.name, endian='=')
self.assertEqual([42], reader.read('i', 1, 0))
self.assertEqual([33], reader.read('h', 1, 4))
self.assertEqual(['a'], reader.read('c', 1, 6))
def test_printf_continuous(self):
fmts = [['i', 1, 0, 'Int32Bits'], ['h', 1, 4, 'Int16Bits'],
['c', 1, 6, 'Character']]
values = (42, 33, 'a')
writer = tools.BinaryWriter(self.tmp_file.name, endian='=')
writer.printf(fmts, values)
del writer
reader = tools.BinaryReader(self.tmp_file.name, endian='=')
r = reader.scan(fmts)
self.assertEqual(r['Int32Bits'], 42)
self.assertEqual(r['Int16Bits'], 33)
self.assertEqual(r['Character'], 'a')
def test_scan(self):
# Write some binary values
fmts = [['i', 1, 0, 'Int32Bits'], ['h', 1, 4, 'Int16Bits'],
['c', 1, 6, 'Character']]
values = (42, 33, 'a')
endian = '=' # native
s = struct.Struct(endian + 'i h c')
self.tmp_file.write(s.pack(*values))
self.tmp_file.close()
# Read the values back
reader = tools.BinaryReader(self.tmp_file.name, endian='=')
r = reader.scan(fmts)
self.assertEqual(r['Int32Bits'], 42)
self.assertEqual(r['Int16Bits'], 33)
self.assertEqual(r['Character'], 'a')