packages/Python/lldbsuite/test/lang/cpp/unsigned_types/TestUnsignedTypes.py

   1 """
   2 Test that variables with unsigned types display correctly.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8
   9 import os, time
  10 import re
  11 import lldb
  12 from lldbsuite.test.lldbtest import *
  13 import lldbsuite.test.lldbutil as lldbutil
  14
  15 class UnsignedTypesTestCase(TestBase):
  16
  17     mydir = TestBase.compute_mydir(__file__)
  18
  19     def setUp(self):
  20         # Call super's setUp().
  21         TestBase.setUp(self)
  22         # Find the line number to break inside main().
  23         self.line = line_number('main.cpp', '// Set break point at this line.')
  24
  25     def test(self):
  26         """Test that variables with unsigned types display correctly."""
  27         self.build()
  28         exe = os.path.join(os.getcwd(), "a.out")
  29         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  30
  31         # GCC puts a breakpoint on the last line of a multi-line expression, so
  32         # if GCC is the target compiler, we cannot rely on an exact line match.
  33         need_exact = "gcc" not in self.getCompiler()
  34         # Break on line 19 in main() aftre the variables are assigned values.
  35         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=need_exact)
  36
  37         self.runCmd("run", RUN_SUCCEEDED)
  38
  39         # The stop reason of the thread should be breakpoint.
  40         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  41             substrs = ['stopped', 'stop reason = breakpoint'])
  42
  43         # The breakpoint should have a hit count of 1.
  44         self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
  45             substrs = [' resolved, hit count = 1'])
  46
  47         # Test that unsigned types display correctly.
  48         self.expect("frame variable --show-types --no-args", VARIABLES_DISPLAYED_CORRECTLY,
  49             startstr = "(unsigned char) the_unsigned_char = 'c'",
  50             patterns = ["\((short unsigned int|unsigned short)\) the_unsigned_short = 99"],
  51             substrs = ["(unsigned int) the_unsigned_int = 99",
  52                        "(unsigned long) the_unsigned_long = 99",
  53                        "(unsigned long long) the_unsigned_long_long = 99",
  54                        "(uint32_t) the_uint32 = 99"])