1import lldb
2from lldbsuite.test.decorators import *
3from lldbsuite.test.lldbtest import *
4from lldbsuite.test import lldbutil
5
6
7class CPPAcceleratorTableTestCase(TestBase):
8
9    mydir = TestBase.compute_mydir(__file__)
10
11    @skipUnlessDarwin
12    @skipIf(debug_info=no_match(["dwarf"]))
13    def test(self):
14        """Test that type lookups fail early (performance)"""
15        self.build()
16        logfile = self.getBuildArtifact('dwarf.log')
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        # Pick one from the middle of the list to have a high chance
21        # of it not being in the first file looked at.
22        self.expect('frame variable inner_d')
23
24        log = open(logfile, 'r')
25        n = 0
26        for line in log:
27            if re.findall(r'[abcdefg]\.o: FindByNameAndTag\(\)', line):
28                self.assertTrue("d.o" in line)
29                n += 1
30
31        self.assertEqual(n, 1, log)
32