xref: /llvm-project/lldb/test/API/functionalities/breakpoint/cpp_exception/TestCPPExceptionBreakpoint.py (revision 80fcecb13c388ff087a27a4b0e7ca3dd8c98eaa4) 
1"""
2Test that you can set breakpoint and hit the C++ language exception breakpoint
3"""
4
5
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class TestCPPExceptionBreakpoint(TestBase):
13    my_var = 10
14
15    @add_test_categories(["pyapi"])
16    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24538")
17    def test_cpp_exception_breakpoint(self):
18        """Test setting and hitting the C++ exception breakpoint."""
19        self.build()
20        self.do_cpp_exception_bkpt()
21
22    @add_test_categories(["pyapi"])
23    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24538")
24    def test_dummy_target_cpp_exception_breakpoint(self):
25        """Test setting and hitting the C++ exception breakpoint from dummy target."""
26        self.build()
27        self.do_dummy_target_cpp_exception_bkpt()
28
29    def setUp(self):
30        TestBase.setUp(self)
31        self.main_source = "main.c"
32        self.main_source_spec = lldb.SBFileSpec(self.main_source)
33
34    def do_cpp_exception_bkpt(self):
35        exe = self.getBuildArtifact("a.out")
36        error = lldb.SBError()
37
38        self.target = self.dbg.CreateTarget(exe)
39        self.assertTrue(self.target, VALID_TARGET)
40
41        exception_bkpt = self.target.BreakpointCreateForException(
42            lldb.eLanguageTypeC_plus_plus, False, True
43        )
44        self.assertTrue(exception_bkpt.IsValid(), "Created exception breakpoint.")
45
46        process = self.target.LaunchSimple(
47            None, None, self.get_process_working_directory()
48        )
49        self.assertTrue(process, PROCESS_IS_VALID)
50
51        thread_list = lldbutil.get_threads_stopped_at_breakpoint(
52            process, exception_bkpt
53        )
54        self.assertEqual(
55            len(thread_list), 1, "One thread stopped at the exception breakpoint."
56        )
57
58    def do_dummy_target_cpp_exception_bkpt(self):
59        exe = self.getBuildArtifact("a.out")
60        error = lldb.SBError()
61
62        dummy_exception_bkpt = self.dbg.GetDummyTarget().BreakpointCreateForException(
63            lldb.eLanguageTypeC_plus_plus, False, True
64        )
65        self.assertTrue(
66            dummy_exception_bkpt.IsValid(),
67            "Created exception breakpoint in dummy target.",
68        )
69
70        self.target = self.dbg.CreateTarget(exe)
71        self.assertTrue(self.target, VALID_TARGET)
72
73        exception_bkpt = self.target.GetBreakpointAtIndex(0)
74        self.assertTrue(
75            exception_bkpt.IsValid(),
76            "Target primed with exception breakpoint from dummy target.",
77        )
78
79        process = self.target.LaunchSimple(
80            None, None, self.get_process_working_directory()
81        )
82        self.assertTrue(process, PROCESS_IS_VALID)
83
84        thread_list = lldbutil.get_threads_stopped_at_breakpoint(
85            process, exception_bkpt
86        )
87        self.assertEqual(
88            len(thread_list), 1, "One thread stopped at the exception breakpoint."
89        )
90