xref: /llvm-project/lldb/test/API/lang/cpp/this/TestCPPThis.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)
1"""
2Tests that C++ member and static variables are available where they should be.
3"""
4import lldb
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class CPPThisTestCase(TestBase):
11    # rdar://problem/9962849
12    @expectedFailureAll(
13        compiler="gcc",
14        bugnumber="llvm.org/pr15439 The 'this' pointer isn't available during expression evaluation when stopped in an inlined member function",
15    )
16    @expectedFailureAll(
17        compiler="icc",
18        bugnumber="ICC doesn't emit correct DWARF inline debug info for inlined member functions.",
19    )
20    @expectedFailureAll(
21        oslist=["windows"],
22        bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows",
23    )
24    def test_with_run_command(self):
25        """Test that the appropriate member variables are available when stopped in C++ static, inline, and const methods"""
26        self.build()
27        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
28
29        self.set_breakpoint(line_number("main.cpp", "// breakpoint 1"))
30        self.set_breakpoint(line_number("main.cpp", "// breakpoint 2"))
31        self.set_breakpoint(line_number("main.cpp", "// breakpoint 3"))
32        self.set_breakpoint(line_number("main.cpp", "// breakpoint 4"))
33
34        self.runCmd("process launch", RUN_SUCCEEDED)
35
36        self.expect("expression -- m_a = 2", startstr="(int) $0 = 2")
37
38        self.runCmd("process continue")
39
40        # This would be disallowed if we enforced const.  But we don't.
41        self.expect("expression -- m_a = 2", startstr="(int) $1 = 2")
42
43        self.expect("expression -- (int)getpid(); m_a", startstr="(int) $2 = 2")
44
45        self.runCmd("process continue")
46
47        self.expect("expression -- s_a", startstr="(int) $3 = 5")
48
49        self.runCmd("process continue")
50
51        self.expect("expression -- m_a", startstr="(int) $4 = 2")
52
53    def set_breakpoint(self, line):
54        lldbutil.run_break_set_by_file_and_line(
55            self, "main.cpp", line, num_expected_locations=1, loc_exact=False
56        )
57