File: TestCPPAccelerator.py

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llvm-toolchain-18 1%3A18.1.8-18
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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class CPPAcceleratorTableTestCase(TestBase):
    @skipUnlessDarwin
    @skipIf(debug_info=no_match(["dwarf"]))
    @skipIf(dwarf_version=[">=", "5"])
    def test(self):
        """Test that type lookups fail early (performance)"""
        self.build()

        logfile = self.getBuildArtifact("dwarf.log")

        self.expect("log enable dwarf lookups -f" + logfile)
        target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
            self, "break here", lldb.SBFileSpec("main.cpp")
        )
        # Pick one from the middle of the list to have a high chance
        # of it not being in the first file looked at.
        self.expect("frame variable inner_d")

        with open(logfile) as f:
            log = f.readlines()
        n = 0
        for line in log:
            if re.findall(r"[abcdefg]\.o: FindByNameAndTag\(\)", line):
                self.assertIn("d.o", line)
                n += 1

        self.assertEqual(n, 1, "".join(log))