| """ |
| Test finish out of an empty function (may be one-instruction long) |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class FinishFromEmptyFunctionTestCase(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def test_finish_from_empty_function(self): |
| """Test that when stopped at a breakpoint in an empty function, finish leaves it correctly.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| target, process, thread, _ = lldbutil.run_to_name_breakpoint( |
| self, "done", exe_name=exe |
| ) |
| if self.TraceOn(): |
| self.runCmd("bt") |
| |
| correct_stepped_out_line = line_number("main.c", "leaving main") |
| return_statement_line = line_number("main.c", "return 0") |
| safety_bp = target.BreakpointCreateByLocation( |
| lldb.SBFileSpec("main.c"), return_statement_line |
| ) |
| self.assertTrue(safety_bp.IsValid()) |
| |
| error = lldb.SBError() |
| thread.StepOut(error) |
| self.assertTrue(error.Success()) |
| |
| if self.TraceOn(): |
| self.runCmd("bt") |
| |
| frame = thread.GetSelectedFrame() |
| self.assertEqual( |
| frame.line_entry.GetLine(), |
| correct_stepped_out_line, |
| "Step-out lost control of execution, ran too far", |
| ) |
