1"""Check that compiler-generated constant values work correctly"""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class ConstVariableTestCase(TestBase):
12
13    @expectedFailureAll(oslist=["freebsd", "linux"], compiler="icc")
14    @expectedFailureAll(archs=['mips', 'mipsel', 'mips64', 'mips64el'])
15    @expectedFailureAll(
16        oslist=["windows"],
17        bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows")
18    def test_and_run_command(self):
19        """Test interpreted and JITted expressions on constant values."""
20        self.build()
21        exe = self.getBuildArtifact("a.out")
22        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
23
24        # Break inside the main.
25        lldbutil.run_break_set_by_symbol(
26            self, "main", num_expected_locations=1)
27
28        self.runCmd("run", RUN_SUCCEEDED)
29
30        # The stop reason of the thread should be breakpoint.
31        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
32                    substrs=['stopped',
33                             'stop reason = breakpoint'])
34
35        # The breakpoint should have a hit count of 1.
36        lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
37
38        self.runCmd("next")
39        self.runCmd("next")
40
41        # Try frame variable.
42        self.expect("frame variable index", VARIABLES_DISPLAYED_CORRECTLY,
43                    substrs=['(int32_t) index = 512'])
44
45        # Try an interpreted expression.
46        self.expect("expr (index + 512)", VARIABLES_DISPLAYED_CORRECTLY,
47                    substrs=['1024'])
48
49        # Try a JITted expression.
50        self.expect(
51            "expr (int)getpid(); (index - 256)",
52            VARIABLES_DISPLAYED_CORRECTLY,
53            substrs=['256'])
54
55        self.runCmd("kill")
56