lldb/test/API/lang/cpp/accelerator-table/TestCPPAccelerator.py

   1 import lldb
   2 from lldbsuite.test.decorators import *
   3 from lldbsuite.test.lldbtest import *
   4 from lldbsuite.test import lldbutil
   5
   6
   7 class CPPAcceleratorTableTestCase(TestBase):
   8     @skipUnlessDarwin
   9     @skipIf(debug_info=no_match(["dwarf"]))
  10     @skipIf(dwarf_version=[">=", "5"])
  11     def test(self):
  12         """Test that type lookups fail early (performance)"""
  13         self.build()
  14
  15         logfile = self.getBuildArtifact("dwarf.log")
  16
  17         self.expect("log enable dwarf lookups -f" + logfile)
  18         target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
  19             self, "break here", lldb.SBFileSpec("main.cpp")
  20         )
  21         # Pick one from the middle of the list to have a high chance
  22         # of it not being in the first file looked at.
  23         self.expect("frame variable inner_d")
  24
  25         with open(logfile) as f:
  26             log = f.readlines()
  27         n = 0
  28         for line in log:
  29             if re.findall(r"[abcdefg]\.o: FindByNameAndTag\(\)", line):
  30                 self.assertIn("d.o", line)
  31                 n += 1
  32
  33         self.assertEqual(n, 1, "".join(log))