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      1 """
      2 Test that template instaniations of std::vector<long> and <short> in the same module have the correct types.
      3 """
      4 
      5 import unittest2
      6 import lldb
      7 import lldbutil
      8 from lldbtest import *
      9 
     10 class UniqueTypesTestCase(TestBase):
     11 
     12     mydir = os.path.join("lang", "cpp", "unique-types")
     13 
     14     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     15     @dsym_test
     16     def test_with_dsym(self):
     17         """Test for unique types of std::vector<long> and std::vector<short>."""
     18         self.buildDsym()
     19         self.unique_types()
     20 
     21     @dwarf_test
     22     def test_with_dwarf(self):
     23         """Test for unique types of std::vector<long> and std::vector<short>."""
     24         self.buildDwarf()
     25         self.unique_types()
     26 
     27     def setUp(self):
     28         # Call super's setUp().
     29         TestBase.setUp(self)
     30         # Find the line number inside main.cpp.
     31         self.line = line_number("main.cpp",
     32           "// Set breakpoint here to verify that std::vector 'longs' and 'shorts' have unique types.")
     33 
     34     def unique_types(self):
     35         """Test for unique types of std::vector<long> and std::vector<short>."""
     36 
     37         compiler = self.getCompiler()
     38         compiler_basename = os.path.basename(compiler)
     39         if "clang" in compiler_basename and int(self.getCompilerVersion().split('.')[0]) < 3:
     40             self.skipTest("rdar://problem/9173060 lldb hangs while running unique-types for clang version < 3")
     41 
     42         exe = os.path.join(os.getcwd(), "a.out")
     43         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
     44         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)
     45 
     46         self.runCmd("run", RUN_SUCCEEDED)
     47 
     48         # The stop reason of the thread should be breakpoint.
     49         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
     50             substrs = ['stopped',
     51                        'stop reason = breakpoint'])
     52 
     53         # Do a "frame variable --show-types longs" and verify "long" is in each line of output.
     54         self.runCmd("frame variable --show-types longs")
     55         output = self.res.GetOutput()
     56         for x in [line.strip() for line in output.split(os.linesep)]:
     57             # Skip empty line, closing brace, and messages about more variables than can be displayed.
     58             if not x or x == '}' or x == '...' or "Some of your variables have more members than the debugger will show by default" in x:
     59                 continue
     60             self.expect(x, "Expect type 'long'", exe=False,
     61                 substrs = ['long'])
     62 
     63         # Do a "frame variable --show-types shorts" and verify "short" is in each line of output.
     64         self.runCmd("frame variable --show-types shorts")
     65         output = self.res.GetOutput()
     66         for x in [line.strip() for line in output.split(os.linesep)]:
     67             # Skip empty line, closing brace, and messages about more variables than can be displayed.
     68             if not x or x == '}' or x == '...' or "Some of your variables have more members than the debugger will show by default" in x:
     69                 continue
     70             self.expect(x, "Expect type 'short'", exe=False,
     71                 substrs = ['short'])
     72         
     73 
     74 if __name__ == '__main__':
     75     import atexit
     76     lldb.SBDebugger.Initialize()
     77     atexit.register(lambda: lldb.SBDebugger.Terminate())
     78     unittest2.main()
     79