TestOrderFile.py revision 21b1984e161b0cadee331d32bfd721eccfdf4b1f
1"""
2Test that debug symbols have the correct order as specified by the order file.
3"""
4
5import os, time
6import re
7import unittest2
8import lldb
9from lldbtest import *
10
11class OrderFileTestCase(TestBase):
12
13    mydir = os.path.join("macosx", "order")
14
15    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
16    @dsym_test
17    def test_with_dsym(self):
18        """Test debug symbols follow the correct order by the order file."""
19        self.buildDsym()
20        self.order_file()
21
22    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
23    @dwarf_test
24    def test_with_dwarf(self):
25        """Test debug symbols follow the correct order by the order file."""
26        self.buildDwarf()
27        self.order_file()
28
29    def order_file(self):
30        """Test debug symbols follow the correct order by the order file."""
31        exe = os.path.join(os.getcwd(), "a.out")
32        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
33
34        # Test that the debug symbols have Function f3 before Function f1.
35        # Use "-s address" option to sort by address.
36        self.runCmd("image dump symtab -s address a.out")
37        output = self.res.GetOutput()
38        mo_f3 = re.search("Code +.+f3", output)
39        mo_f1 = re.search("Code +.+f1", output)
40
41        # Match objects for f3 and f1 must exist and f3 must come before f1.
42        self.assertTrue(mo_f3 and mo_f1 and mo_f3.start() < mo_f1.start(),
43                        "Symbols have correct order by the order file")
44
45        self.runCmd("run", RUN_COMPLETED)
46
47
48if __name__ == '__main__':
49    import atexit
50    lldb.SBDebugger.Initialize()
51    atexit.register(lambda: lldb.SBDebugger.Terminate())
52    unittest2.main()
53