Exemplo n.º 1
0
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
Exemplo n.º 3
0
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