packages/Python/lldbsuite/test/python_api/rdar-12481949/Test-rdar-12481949.py

   1 """
   2 Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import time
  10 import lldb
  11 from lldbsuite.test.lldbtest import *
  12 import lldbsuite.test.lldbutil as lldbutil
  13
  14
  15 class Radar12481949DataFormatterTestCase(TestBase):
  16
  17     # test for rdar://problem/12481949
  18     mydir = TestBase.compute_mydir(__file__)
  19
  20     def setUp(self):
  21         # Call super's setUp().
  22         TestBase.setUp(self)
  23         # Find the line number to break at.
  24         self.line = line_number('main.cpp', '// Set break point at this line.')
  25
  26     def test_with_run_command(self):
  27         """Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1."""
  28         self.build()
  29         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  30
  31         lldbutil.run_break_set_by_file_and_line(
  32             self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
  33
  34         self.runCmd("run", RUN_SUCCEEDED)
  35
  36         # The stop reason of the thread should be breakpoint.
  37         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  38                     substrs=['stopped',
  39                              'stop reason = breakpoint'])
  40
  41         # This is the function to remove the custom formats in order to have a
  42         # clean slate for the next test case.
  43         def cleanup():
  44             self.runCmd('type format delete hex', check=False)
  45             self.runCmd('type summary clear', check=False)
  46
  47         # Execute the cleanup function during test case tear down.
  48         self.addTearDownHook(cleanup)
  49
  50         self.assertTrue(
  51             self.frame().FindVariable("myvar").GetValueAsSigned() == -1,
  52             "GetValueAsSigned() says -1")
  53         self.assertTrue(
  54             self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFF,
  55             "GetValueAsSigned() does not say 0xFFFFFFFF")
  56         self.assertTrue(
  57             self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFFFFFFFFFF,
  58             "GetValueAsSigned() does not say 0xFFFFFFFFFFFFFFFF")
  59
  60         self.assertTrue(
  61             self.frame().FindVariable("myvar").GetValueAsUnsigned() != -1,
  62             "GetValueAsUnsigned() does not say -1")
  63         self.assertTrue(
  64             self.frame().FindVariable("myvar").GetValueAsUnsigned() == 0xFFFFFFFF,
  65             "GetValueAsUnsigned() says 0xFFFFFFFF")
  66         self.assertTrue(
  67             self.frame().FindVariable("myvar").GetValueAsUnsigned() != 0xFFFFFFFFFFFFFFFF,
  68             "GetValueAsUnsigned() does not says 0xFFFFFFFFFFFFFFFF")