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1"""
2Test that variables with unsigned types display correctly.
3"""
4
5import os, time
6import re
7import unittest2
8import lldb
9from lldbtest import *
10import lldbutil
11
12class UnsignedTypesTestCase(TestBase):
13
14    mydir = os.path.join("lang", "cpp", "unsigned_types")
15
16    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
17    @dsym_test
18    def test_with_dsym(self):
19        """Test that variables with unsigned types display correctly."""
20        self.buildDsym()
21        self.unsigned_types()
22
23    @dwarf_test
24    def test_with_dwarf(self):
25        """Test that variables with unsigned types display correctly."""
26        self.buildDwarf()
27        self.unsigned_types()
28
29    def setUp(self):
30        # Call super's setUp().
31        TestBase.setUp(self)
32        # Find the line number to break inside main().
33        self.line = line_number('main.cpp', '// Set break point at this line.')
34
35    def unsigned_types(self):
36        """Test that variables with unsigned types display correctly."""
37        exe = os.path.join(os.getcwd(), "a.out")
38        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
39
40        # GCC puts a breakpoint on the last line of a multi-line expression, so
41        # if GCC is the target compiler, we cannot rely on an exact line match.
42        need_exact = "gcc" not in self.getCompiler()
43        # Break on line 19 in main() aftre the variables are assigned values.
44        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=need_exact)
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', 'stop reason = breakpoint'])
51
52        # The breakpoint should have a hit count of 1.
53        self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
54            substrs = [' resolved, hit count = 1'])
55
56        # Test that unsigned types display correctly.
57        self.expect("frame variable --show-types --no-args", VARIABLES_DISPLAYED_CORRECTLY,
58            startstr = "(unsigned char) the_unsigned_char = 'c'",
59            patterns = ["\((short unsigned int|unsigned short)\) the_unsigned_short = 99"],
60            substrs = ["(unsigned int) the_unsigned_int = 99",
61                       "(unsigned long) the_unsigned_long = 99",
62                       "(unsigned long long) the_unsigned_long_long = 99",
63                       "(uint32_t) the_uint32 = 99"])
64
65
66if __name__ == '__main__':
67    import atexit
68    lldb.SBDebugger.Initialize()
69    atexit.register(lambda: lldb.SBDebugger.Terminate())
70    unittest2.main()
71