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      1 #coding=utf8
      2 """
      3 Test that C++ supports wchar_t correctly.
      4 """
      5 
      6 import os, time
      7 import unittest2
      8 import lldb
      9 from lldbtest import *
     10 import lldbutil
     11 
     12 class CxxWCharTTestCase(TestBase):
     13 
     14     mydir = os.path.join("lang", "cpp", "wchar_t")
     15 
     16     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     17     @dsym_test
     18     def test_with_dsym(self):
     19         """Test that C++ supports wchar_t correctly."""
     20         self.buildDsym()
     21         self.wchar_t()
     22 
     23     @dwarf_test
     24     def test_with_dwarf(self):
     25         """Test that C++ supports wchar_t correctly."""
     26         self.buildDwarf()
     27         self.wchar_t()
     28 
     29     def setUp(self):
     30         # Call super's setUp().
     31         TestBase.setUp(self)
     32         # Find the line number to break for main.cpp.
     33         self.source = 'main.cpp'
     34         self.line = line_number(self.source, '// Set break point at this line.')
     35 
     36     def wchar_t(self):
     37         """Test that C++ supports wchar_t correctly."""
     38         exe = os.path.join(os.getcwd(), "a.out")
     39 
     40         # Create a target by the debugger.
     41         target = self.dbg.CreateTarget(exe)
     42         self.assertTrue(target, VALID_TARGET)
     43 
     44         # Break on the struct declration statement in main.cpp.
     45         lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line)
     46 
     47         # Now launch the process, and do not stop at entry point.
     48         process = target.LaunchSimple(None, None, os.getcwd())
     49 
     50         if not process:
     51             self.fail("SBTarget.Launch() failed")
     52 
     53         # Check that we correctly report templates on wchar_t
     54         self.expect("frame variable foo_y",
     55             substrs = ['(Foo<wchar_t>) foo_y = '])
     56 
     57         # Check that we correctly report templates on int
     58         self.expect("frame variable foo_x",
     59             substrs = ['(Foo<int>) foo_x = '])
     60 
     61         # Check that we correctly report wchar_t
     62         self.expect("frame variable foo_y.object",
     63             substrs = ['(wchar_t) foo_y.object = '])
     64 
     65         # Check that we correctly report int
     66         self.expect("frame variable foo_x.object",
     67             substrs = ['(int) foo_x.object = '])
     68 
     69         # Check that we can run expressions that return wchar_t
     70         self.expect("expression L'a'",substrs = ['(wchar_t) $',"61 L'a'"])
     71 
     72         # Mazel Tov if this works!
     73         self.expect("frame variable mazeltov",
     74             substrs = ['(const wchar_t *) mazeltov = ','L" "'])
     75 
     76 
     77 if __name__ == '__main__':
     78     import atexit
     79     lldb.SBDebugger.Initialize()
     80     atexit.register(lambda: lldb.SBDebugger.Terminate())
     81     unittest2.main()
     82