lldb/test/API/lang/cpp/break-on-initializers/TestBreakOnCPP11Initializers.py

   1 """
   2 When using C++11 in place member initialization, show that we
   3 can set and hit breakpoints on initialization lines.  This is a
   4 little bit tricky because we try not to move file and line breakpoints
   5 across function boundaries but these lines are outside the source range
   6 of the constructor.
   7 """
   8
   9
  10 import lldb
  11 import lldbsuite.test.lldbutil as lldbutil
  12 from lldbsuite.test.lldbtest import *
  13
  14
  15 class TestCase(TestBase):
  16     def test_breakpoints_on_initializers(self):
  17         """Show we can set breakpoints on initializers appearing both before
  18         and after the constructor body, and hit them."""
  19         self.build()
  20         self.main_source_file = lldb.SBFileSpec("main.cpp")
  21         self.first_initializer_line = line_number(
  22             "main.cpp", "Set the before constructor breakpoint here"
  23         )
  24         self.second_initializer_line = line_number(
  25             "main.cpp", "Set the after constructor breakpoint here"
  26         )
  27
  28         (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
  29             self, " Set a breakpoint here to get started", self.main_source_file
  30         )
  31
  32         # Now set breakpoints on the two initializer lines we found in the test startup:
  33         bkpt1 = target.BreakpointCreateByLocation(
  34             self.main_source_file, self.first_initializer_line
  35         )
  36         self.assertEqual(bkpt1.GetNumLocations(), 1)
  37         bkpt2 = target.BreakpointCreateByLocation(
  38             self.main_source_file, self.second_initializer_line
  39         )
  40         self.assertEqual(bkpt2.GetNumLocations(), 1)
  41
  42         # Now continue, we should stop at the two breakpoints above, first the one before, then
  43         # the one after.
  44         self.assertEqual(
  45             len(lldbutil.continue_to_breakpoint(process, bkpt1)),
  46             1,
  47             "Hit first breakpoint",
  48         )
  49         self.assertEqual(
  50             len(lldbutil.continue_to_breakpoint(process, bkpt2)),
  51             1,
  52             "Hit second breakpoint",
  53         )