| """ |
| Test change libc++ std::atomic values. |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LibcxxChangeValueTestCase(TestBase): |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| |
| @add_test_categories(["libc++"]) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24772") |
| def test(self): |
| """Test that we can change values of libc++ std::atomic.""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| bkpt = self.target().FindBreakpointByID( |
| lldbutil.run_break_set_by_source_regexp( |
| self, "Set break point at this line." |
| ) |
| ) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # Get Frame #0. |
| target = self.dbg.GetSelectedTarget() |
| process = target.GetProcess() |
| self.assertState(process.GetState(), lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) |
| self.assertTrue( |
| thread.IsValid(), |
| "There should be a thread stopped due to breakpoint condition", |
| ) |
| frame0 = thread.GetFrameAtIndex(0) |
| self.assertTrue(frame0.IsValid(), "Got a valid frame.") |
| |
| q_value = frame0.FindVariable("Q") |
| self.assertTrue(q_value.IsValid(), "Got the SBValue for val") |
| inner_val = q_value.GetChildAtIndex(0) |
| self.assertTrue(inner_val.IsValid(), "Got the SBValue for inner atomic val") |
| result = inner_val.SetValueFromCString("42") |
| self.assertTrue(result, "Setting val returned True.") |
| result = inner_val.GetValueAsUnsigned() |
| self.assertTrue(result == 42, "Got correct value (42)") |
