| """ |
| Test that global operators are found and evaluated. |
| """ |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestCppGlobalOperators(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def prepare_executable_and_get_frame(self): |
| self.build() |
| |
| # Get main source file |
| src_file = "main.cpp" |
| src_file_spec = lldb.SBFileSpec(src_file) |
| self.assertTrue(src_file_spec.IsValid(), "Main source file") |
| |
| # Get the path of the executable |
| exe_path = self.getBuildArtifact("a.out") |
| |
| # Load the executable |
| target = self.dbg.CreateTarget(exe_path) |
| self.assertTrue(target.IsValid(), VALID_TARGET) |
| |
| # Break on main function |
| main_breakpoint = target.BreakpointCreateBySourceRegex( |
| "// break here", src_file_spec) |
| self.assertTrue( |
| main_breakpoint.IsValid() and main_breakpoint.GetNumLocations() >= 1, |
| VALID_BREAKPOINT) |
| |
| # Launch the process |
| args = None |
| env = None |
| process = target.LaunchSimple( |
| args, env, self.get_process_working_directory()) |
| self.assertTrue(process.IsValid(), PROCESS_IS_VALID) |
| |
| # Get the thread of the process |
| self.assertTrue( |
| process.GetState() == lldb.eStateStopped, |
| PROCESS_STOPPED) |
| thread = lldbutil.get_stopped_thread( |
| process, lldb.eStopReasonBreakpoint) |
| |
| return thread.GetSelectedFrame() |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765") |
| def test_equals_operator(self): |
| frame = self.prepare_executable_and_get_frame() |
| |
| test_result = frame.EvaluateExpression("operator==(s1, s2)") |
| self.assertTrue( |
| test_result.IsValid() and test_result.GetValue() == "false", |
| "operator==(s1, s2) = false") |
| |
| test_result = frame.EvaluateExpression("operator==(s1, s3)") |
| self.assertTrue( |
| test_result.IsValid() and test_result.GetValue() == "true", |
| "operator==(s1, s3) = true") |
| |
| test_result = frame.EvaluateExpression("operator==(s2, s3)") |
| self.assertTrue( |
| test_result.IsValid() and test_result.GetValue() == "false", |
| "operator==(s2, s3) = false") |
| |
| def do_new_test(self, frame, expr, expected_value_name): |
| """Evaluate a new expression, and check its result""" |
| |
| expected_value = frame.FindValue( |
| expected_value_name, lldb.eValueTypeVariableGlobal) |
| self.assertTrue(expected_value.IsValid()) |
| |
| expected_value_addr = expected_value.AddressOf() |
| self.assertTrue(expected_value_addr.IsValid()) |
| |
| got = frame.EvaluateExpression(expr) |
| self.assertTrue(got.IsValid()) |
| self.assertEqual( |
| got.GetValueAsUnsigned(), |
| expected_value_addr.GetValueAsUnsigned()) |
| got_type = got.GetType() |
| self.assertTrue(got_type.IsPointerType()) |
| self.assertEqual(got_type.GetPointeeType().GetName(), "Struct") |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765") |
| def test_operator_new(self): |
| frame = self.prepare_executable_and_get_frame() |
| |
| self.do_new_test(frame, "new Struct()", "global_new_buf") |
| self.do_new_test(frame, "new(new_tag) Struct()", "tagged_new_buf") |