from test import test_support

import unittest

import xdrlib

class XDRTest(unittest.TestCase):

    def test_xdr(self):

        p = xdrlib.Packer()

        s = 'hello world'

        a = ['what', 'is', 'hapnin', 'doctor']

        p.pack_int(42)

        p.pack_uint(9)

        p.pack_bool(True)

        p.pack_bool(False)

        p.pack_uhyper(45L)

        p.pack_float(1.9)

        p.pack_double(1.9)

        p.pack_string(s)

        p.pack_list(range(5), p.pack_uint)

        p.pack_array(a, p.pack_string)

        # now verify

        data = p.get_buffer()

        up = xdrlib.Unpacker(data)

        self.assertEqual(up.get_position(), 0)

        self.assertEqual(up.unpack_int(), 42)

        self.assertEqual(up.unpack_uint(), 9)

        self.assert_(up.unpack_bool() is True)

        # remember position

        pos = up.get_position()

        self.assert_(up.unpack_bool() is False)

        # rewind and unpack again

        up.set_position(pos)

        self.assert_(up.unpack_bool() is False)

        self.assertEqual(up.unpack_uhyper(), 45L)

        self.assertAlmostEqual(up.unpack_float(), 1.9)

        self.assertAlmostEqual(up.unpack_double(), 1.9)

        self.assertEqual(up.unpack_string(), s)

        self.assertEqual(up.unpack_list(up.unpack_uint), range(5))

        self.assertEqual(up.unpack_array(up.unpack_string), a)

        up.done()

        self.assertRaises(EOFError, up.unpack_uint)

def test_main():

    test_support.run_unittest(XDRTest)

if __name__ == "__main__":

    test_main()