packages/Python/lldbsuite/test/lang/cpp/static_members/TestCPPStaticMembers.py

   1 """
   2 Tests that C++ member and static variables have correct layout and scope.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import unittest2
   9 import lldb
  10 from lldbsuite.test.decorators import *
  11 from lldbsuite.test.lldbtest import *
  12 from lldbsuite.test import lldbutil
  13
  14
  15 class CPPStaticMembersTestCase(TestBase):
  16
  17     mydir = TestBase.compute_mydir(__file__)
  18
  19     @unittest2.expectedFailure  # llvm.org/pr15401
  20     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  21     def test_with_run_command(self):
  22         """Test that member variables have the correct layout, scope and qualifiers when stopped inside and outside C++ methods"""
  23         self.build()
  24         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  25
  26         self.set_breakpoint(line_number('main.cpp', '// breakpoint 1'))
  27         self.set_breakpoint(line_number('main.cpp', '// breakpoint 2'))
  28
  29         self.runCmd("process launch", RUN_SUCCEEDED)
  30         self.expect("expression my_a.access()",
  31                     startstr="(long) $0 = 10")
  32
  33         self.expect("expression my_a.m_a",
  34                     startstr="(short) $1 = 1")
  35
  36         # Note: SymbolFileDWARF::ParseChildMembers doesn't call
  37         # AddFieldToRecordType, consistent with clang's AST layout.
  38         self.expect("expression my_a.s_d",
  39                     startstr="(int) $2 = 4")
  40
  41         self.expect("expression my_a.s_b",
  42                     startstr="(long) $3 = 2")
  43
  44         self.expect("expression A::s_b",
  45                     startstr="(long) $4 = 2")
  46
  47         # should not be available in global scope
  48         self.expect("expression s_d",
  49                     startstr="error: use of undeclared identifier 's_d'")
  50
  51         self.runCmd("process continue")
  52         self.expect("expression m_c",
  53                     startstr="(char) $5 = \'\\x03\'")
  54
  55         self.expect("expression s_b",
  56                     startstr="(long) $6 = 2")
  57
  58         self.runCmd("process continue")
  59
  60     def set_breakpoint(self, line):
  61         lldbutil.run_break_set_by_file_and_line(
  62             self, "main.cpp", line, num_expected_locations=1, loc_exact=False)