def test_read_numeric():
# make reader-like thing
str_io = cStringIO.StringIO()
r = _make_readerlike()
r.mat_stream = str_io
# check simplest of tags
for base_dt, val, mdtype in (('u2', 30, mio5.miUINT16),
('i4', 1, mio5.miINT32), ('i2', -1,
mio5.miINT16)):
for byte_code in ('<', '>'):
r.byte_order = byte_code
r.dtypes = miob.convert_dtypes(mio5.mdtypes_template, byte_code)
c_reader = m5u.VarReader5(r)
yield assert_equal, c_reader.little_endian, byte_code == '<'
yield assert_equal, c_reader.is_swapped, byte_code != boc.native_code
for sde_f in (False, True):
dt = np.dtype(base_dt).newbyteorder(byte_code)
a = _make_tag(dt, val, mdtype, sde_f)
a_str = a.tostring()
_write_stream(str_io, a_str)
el = c_reader.read_numeric()
yield assert_equal, el, val
# two sequential reads
_write_stream(str_io, a_str, a_str)
el = c_reader.read_numeric()
yield assert_equal, el, val
el = c_reader.read_numeric()
yield assert_equal, el, val
def test_read_numeric():
# make reader-like thing
str_io = cStringIO.StringIO()
r = _make_readerlike()
r.mat_stream = str_io
# check simplest of tags
for base_dt, val, mdtype in (
('u2', 30, mio5.miUINT16),
('i4', 1, mio5.miINT32),
('i2', -1, mio5.miINT16)):
for byte_code in ('<', '>'):
r.byte_order = byte_code
r.dtypes = miob.convert_dtypes(mio5.mdtypes_template, byte_code)
c_reader = m5u.VarReader5(r)
yield assert_equal, c_reader.little_endian, byte_code == '<'
yield assert_equal, c_reader.is_swapped, byte_code != boc.native_code
for sde_f in (False, True):
dt = np.dtype(base_dt).newbyteorder(byte_code)
a = _make_tag(dt, val, mdtype, sde_f)
a_str = a.tostring()
_write_stream(str_io, a_str)
el = c_reader.read_numeric()
yield assert_equal, el, val
# two sequential reads
_write_stream(str_io, a_str, a_str)
el = c_reader.read_numeric()
yield assert_equal, el, val
el = c_reader.read_numeric()
yield assert_equal, el, val
def test_read_numeric_writeable():
# make reader-like thing
str_io = cStringIO.StringIO()
r = _make_readerlike()
r.mat_stream = str_io
r.byte_order = '<'
r.dtypes = miob.convert_dtypes(mio5.mdtypes_template, '<')
c_reader = m5u.VarReader5(r)
dt = np.dtype('<u2')
a = _make_tag(dt, 30, mio5.miUINT16, 0)
a_str = a.tostring()
_write_stream(str_io, a_str)
el = c_reader.read_numeric()
yield assert_true, el.flags.writeable
def test_read_numeric_writeable():
# make reader-like thing
str_io = cStringIO.StringIO()
r = _make_readerlike()
r.mat_stream = str_io
r.byte_order = '<'
r.dtypes = miob.convert_dtypes(mio5.mdtypes_template, '<')
c_reader = m5u.VarReader5(r)
dt = np.dtype('<u2')
a = _make_tag(dt, 30, mio5.miUINT16, 0)
a_str = a.tostring()
_write_stream(str_io, a_str)
el = c_reader.read_numeric()
yield assert_true, el.flags.writeable
