xref: /llvm-project/lldb/test/API/tools/lldb-dap/optimized/TestDAP_optimized.py (revision 47ff13b45b52a2b0372aa47d5a0f4035ecdcfa86) 
1"""
2Test lldb-dap variables/stackTrace request for optimized code
3"""
4
5import dap_server
6import lldbdap_testcase
7from lldbsuite.test import lldbutil
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10
11
12class TestDAP_optimized(lldbdap_testcase.DAPTestCaseBase):
13    @skipIfWindows
14    def test_stack_frame_name(self):
15        """Test optimized frame has special name suffix."""
16        program = self.getBuildArtifact("a.out")
17        self.build_and_launch(program)
18        source = "main.cpp"
19        breakpoint_line = line_number(source, "// breakpoint 1")
20        lines = [breakpoint_line]
21        breakpoint_ids = self.set_source_breakpoints(source, lines)
22        self.assertEqual(
23            len(breakpoint_ids), len(lines), "expect correct number of breakpoints"
24        )
25        self.continue_to_breakpoints(breakpoint_ids)
26        leaf_frame = self.dap_server.get_stackFrame(frameIndex=0)
27        self.assertTrue(leaf_frame["name"].endswith(" [opt]"))
28        parent_frame = self.dap_server.get_stackFrame(frameIndex=1)
29        self.assertTrue(parent_frame["name"].endswith(" [opt]"))
30
31    @skipIfAsan # On ASAN builds this test intermittently fails https://github.com/llvm/llvm-project/issues/111061
32    @skipIfWindows
33    def test_optimized_variable(self):
34        """Test optimized variable value contains error."""
35        program = self.getBuildArtifact("a.out")
36        self.build_and_launch(program)
37        source = "main.cpp"
38        breakpoint_line = line_number(source, "// breakpoint 2")
39        lines = [breakpoint_line]
40        # Set breakpoint in the thread function so we can step the threads
41        breakpoint_ids = self.set_source_breakpoints(source, lines)
42        self.assertEqual(
43            len(breakpoint_ids), len(lines), "expect correct number of breakpoints"
44        )
45        self.continue_to_breakpoints(breakpoint_ids)
46        optimized_variable = self.dap_server.get_local_variable("argc")
47
48        self.assertTrue(optimized_variable["value"].startswith("<error:"))
49        error_msg = optimized_variable["$__lldb_extensions"]["error"]
50        self.assertTrue(
51            ("could not evaluate DW_OP_entry_value: no parent function" in error_msg)
52            or ("variable not available" in error_msg)
53        )
54