import unittest

import MacOS

import Carbon.File

from test import test_support

import os

TESTFN2 = test_support.TESTFN + '2'

class TestMacOS(unittest.TestCase):

    def testOpenRF(self):

        try:

            fp = open(test_support.TESTFN, 'w')

            fp.write('hello world\n')

            fp.close()

            rfp = MacOS.openrf(test_support.TESTFN, '*wb')

            rfp.write('goodbye world\n')

            rfp.close()

            fp = open(test_support.TESTFN, 'r')

            data = fp.read()

            fp.close()

            self.assertEquals(data, 'hello world\n')

            rfp = MacOS.openrf(test_support.TESTFN, '*rb')

            data = rfp.read(100)

            data2 = rfp.read(100)

            rfp.close()

            self.assertEquals(data, 'goodbye world\n')

            self.assertEquals(data2, '')

        finally:

            os.unlink(test_support.TESTFN)

def test_main():

    test_support.run_unittest(TestMacOS)

if __name__ == '__main__':

    test_main()