1"""Show local variables and check that they can be inspected.
2
3This test was added after we made a change in clang to normalize
4DW_OP_constu(X < 32) to DW_OP_litX which broke the debugger because
5it didn't read the value as an unsigned.
6"""
7
8
9
10from lldbsuite.test.decorators import *
11from lldbsuite.test.lldbtest import *
12from lldbsuite.test import lldbutil
13
14
15class LocalVariablesTestCase(TestBase):
16
17    def setUp(self):
18        # Call super's setUp().
19        TestBase.setUp(self)
20        # Find the line number to break inside main().
21        self.source = 'main.c'
22        self.line = line_number(
23            self.source, '// Set break point at this line.')
24
25    @skipIfWindows
26    def test_c_local_variables(self):
27        """Test local variable value."""
28        self.build()
29
30        # Create a target by the debugger.
31        target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
32        self.assertTrue(target, VALID_TARGET)
33
34        # Break inside the main.
35        lldbutil.run_break_set_by_file_and_line(
36            self, self.source, self.line, num_expected_locations=1, loc_exact=True)
37
38        # Now launch the process, and do not stop at entry point.
39        process = target.LaunchSimple(
40            None, None, self.get_process_working_directory())
41        self.assertTrue(process, PROCESS_IS_VALID)
42
43        # The stop reason of the thread should be breakpoint.
44        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
45                    substrs=['stopped',
46                             'stop reason = breakpoint'])
47
48        # The breakpoint should have a hit count of 1.
49        lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
50
51        self.expect("frame variable i", VARIABLES_DISPLAYED_CORRECTLY,
52                    substrs=['(unsigned int) i = 10'])
53