1# coding=utf8
2"""
3Test that the C++11 support for char16_t and char32_t works correctly.
4"""
5
6import os, time
7import unittest2
8import lldb
9from lldbtest import *
10import lldbutil
11
12class Char1632TestCase(TestBase):
13
14    mydir = os.path.join("lang", "cpp", "char1632_t")
15
16    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
17    @dsym_test
18    def test_with_dsym(self):
19        """Test that the C++11 support for char16_t and char32_t works correctly."""
20        self.buildDsym()
21        self.char1632()
22
23    @expectedFailureIcc # ICC (13.1) does not emit the DW_TAG_base_type for char16_t and char32_t.
24    @dwarf_test
25    def test_with_dwarf(self):
26        """Test that the C++11 support for char16_t and char32_t works correctly."""
27        self.buildDwarf()
28        self.char1632()
29
30    def setUp(self):
31        # Call super's setUp().
32        TestBase.setUp(self)
33        # Find the line number to break for main.cpp.
34        self.source = 'main.cpp'
35        self.line = line_number(self.source, '// Set break point at this line.')
36
37    def char1632(self):
38        """Test that the C++11 support for char16_t and char32_t works correctly."""
39        exe = os.path.join(os.getcwd(), "a.out")
40
41        # Create a target by the debugger.
42        target = self.dbg.CreateTarget(exe)
43        self.assertTrue(target, VALID_TARGET)
44
45        # Break on the struct declration statement in main.cpp.
46        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line)
47
48        # Now launch the process, and do not stop at entry point.
49        process = target.LaunchSimple(None, None, os.getcwd())
50
51        if not process:
52            self.fail("SBTarget.Launch() failed")
53
54        if self.TraceOn():
55             self.runCmd("frame variable")
56
57        # Check that we correctly report the const types
58        self.expect("frame variable cs16 cs32",
59            substrs = ['(const char16_t *) cs16 = ','(const char32_t *) cs32 = ','u"hello world ྒྙྐ"','U"hello world ྒྙྐ"'])
60
61        # Check that we correctly report the non-const types
62        self.expect("frame variable s16 s32",
63            substrs = ['(char16_t *) s16 = ','(char32_t *) s32 = ','u"ﺸﺵۻ"','U"ЕЙРГЖО"'])
64
65        self.runCmd("next") # step to after the string is nullified
66
67        # check that we don't crash on NULL
68        self.expect("frame variable s32",
69            substrs = ['(char32_t *) s32 = 0x00000000'])
70
71        self.runCmd("next")
72        self.runCmd("next")
73
74        # check that the new strings show
75        self.expect("frame variable s16 s32",
76            substrs = ['(char16_t *) s16 = 0x','(char32_t *) s32 = ','"色ハ匂ヘト散リヌルヲ"','"෴"'])
77
78        # Check that we can run expressions that return charN_t
79        self.expect("expression u'a'",substrs = ['(char16_t) $',"61 u'a'"])
80        self.expect("expression U'a'",substrs = ['(char32_t) $',"61 U'a'"])
81
82if __name__ == '__main__':
83    import atexit
84    lldb.SBDebugger.Initialize()
85    atexit.register(lambda: lldb.SBDebugger.Terminate())
86    unittest2.main()
87