packages/Python/lldbsuite/test/lang/cpp/this/TestCPPThis.py

   1 """
   2 Tests that C++ member and static variables are available where they should be.
   3 """
   4 import lldb
   5 from lldbsuite.test.lldbtest import *
   6 import lldbsuite.test.lldbutil as lldbutil
   7
   8 class CPPThisTestCase(TestBase):
   9
  10     mydir = TestBase.compute_mydir(__file__)
  11
  12     #rdar://problem/9962849
  13     @expectedFailureGcc # llvm.org/pr15439 The 'this' pointer isn't available during expression evaluation when stopped in an inlined member function.
  14     @expectedFailureIcc # ICC doesn't emit correct DWARF inline debug info for inlined member functions
  15     @expectedFailureWindows("llvm.org/pr24489: Name lookup not working correctly on Windows")
  16     @expectedFailureWindows("llvm.org/pr24490: We shouldn't be using platform-specific names like `getpid` in tests")
  17     @expectedFlakeyClang(bugnumber='llvm.org/pr23012', compiler_version=['>=','3.6']) # failed with totclang - clang3.7
  18     def test_with_run_command(self):
  19         """Test that the appropriate member variables are available when stopped in C++ static, inline, and const methods"""
  20         self.build()
  21         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  22
  23         self.set_breakpoint(line_number('main.cpp', '// breakpoint 1'))
  24         self.set_breakpoint(line_number('main.cpp', '// breakpoint 2'))
  25         self.set_breakpoint(line_number('main.cpp', '// breakpoint 3'))
  26         self.set_breakpoint(line_number('main.cpp', '// breakpoint 4'))
  27
  28         self.runCmd("process launch", RUN_SUCCEEDED)
  29
  30         self.expect("expression -- m_a = 2",
  31                     startstr = "(int) $0 = 2")
  32
  33         self.runCmd("process continue")
  34
  35         # This would be disallowed if we enforced const.  But we don't.
  36         self.expect("expression -- m_a = 2",
  37                     startstr = "(int) $1 = 2")
  38
  39         self.expect("expression -- (int)getpid(); m_a",
  40                     startstr = "(int) $2 = 2")
  41
  42         self.runCmd("process continue")
  43
  44         self.expect("expression -- s_a",
  45                     startstr = "(int) $3 = 5")
  46
  47         self.runCmd("process continue")
  48
  49         self.expect("expression -- m_a",
  50                     startstr = "(int) $4 = 2")
  51
  52     def set_breakpoint(self, line):
  53         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=1, loc_exact=False)