muis/test_reader.py

   1 #!/usr/bin/env python
   2 # Code released under a free software compatible license. See LICENSE for more
   3 # details.
   4 # Original author: Nido Media
   5 # Code patches by:
   6 #       ...
   7
   8
   9 import re
  10 import sys
  11 import unittest
  12
  13 import basic_block
  14 import instruction
  15 import reader
  16
  17 import convenience
  18
  19 whitespace = re.compile("^\s*$")
  20 entscan = re.compile(".*\.ent.*")
  21 endscan = re.compile(".*\.end.*")
  22
  23 class testReader(unittest.TestCase):
  24         def setUp(self):
  25                 self.testfile = "../code/basic_file.s"
  26
  27         def testReading(self):
  28                 nonjumping_blocks = 0
  29                 block_structure = reader.reader(self.testfile)
  30
  31                 used_labels = []
  32                 for tuple in block_structure:
  33                         if tuple[0] == "block":
  34                                 block_list = tuple[2]
  35
  36                                 for block in block_list:
  37                                         self.assertTrue(block.label not in used_labels, "No double labels!")
  38                                         used_labels.append(block.label)
  39
  40                                         self.assertTrue(block.jump, "This block has no jump! Not even a fake one")
  41
  42                                         # only test blocks which have instructions
  43                                         if len(block.instructions) > 0:
  44                                                 for line in block.instructions:
  45                                                         line = line.regex_match.group()
  46
  47                                                         # There shall be no .ent and .end in the code
  48                                                         self.assertFalse( entscan.match(line), "Found .ent!")
  49                                                         self.assertFalse( endscan.match(line), "Found .end!")
  50
  51
  52 if __name__ == '__main__':
  53         unittest.main()