| """ |
| Tests expression evaluation in context of an objc class. |
| """ |
| |
| import lldb |
| import lldbsuite.test.lldbutil as lldbutil |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| |
| class ContextObjectObjcTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @add_test_categories(["objc"]) |
| def test_context_object_objc(self): |
| """Tests expression evaluation in context of an objc class.""" |
| self.build() |
| |
| (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, '// Break here', self.main_source_spec) |
| frame = thread.GetFrameAtIndex(0) |
| |
| # |
| # Test objc class variable |
| # |
| |
| obj_val = frame.FindVariable("objcClass") |
| self.assertTrue(obj_val.IsValid()) |
| obj_val = obj_val.Dereference() |
| self.assertTrue(obj_val.IsValid()) |
| |
| # Test an empty expression evaluation |
| value = obj_val.EvaluateExpression("") |
| self.assertFalse(value.IsValid()) |
| self.assertFalse(value.GetError().Success()) |
| |
| # Test retrieving of a field (not a local with the same name) |
| value = obj_val.EvaluateExpression("field") |
| self.assertTrue(value.IsValid()) |
| self.assertTrue(value.GetError().Success()) |
| self.assertEqual(value.GetValueAsSigned(), 1111) |
| |
| # Test if the self pointer is properly evaluated |
| |
| # Test retrieving of an objcClass's property through the self pointer |
| value = obj_val.EvaluateExpression("self.property") |
| self.assertTrue(value.IsValid()) |
| self.assertSuccess(value.GetError()) |
| self.assertEqual(value.GetValueAsSigned(), 2222) |
| |
| # Test objcClass's methods evaluation through the self pointer |
| value = obj_val.EvaluateExpression("[self method]") |
| self.assertTrue(value.IsValid()) |
| self.assertSuccess(value.GetError()) |
| self.assertEqual(value.GetValueAsSigned(), 3333) |
| |
| # Test if we can use a computation result reference object correctly |
| |
| obj_val = frame.EvaluateExpression("[ObjcClass createNew]") |
| self.assertTrue(obj_val.IsValid()) |
| obj_val = obj_val.Dereference() |
| self.assertTrue(obj_val.IsValid()) |
| |
| # Test an expression evaluation on it |
| value = obj_val.EvaluateExpression("1") |
| self.assertTrue(value.IsValid()) |
| self.assertSuccess(value.GetError()) |
| |
| # Test retrieving of a field on it |
| value = obj_val.EvaluateExpression("field") |
| self.assertTrue(value.IsValid()) |
| self.assertSuccess(value.GetError()) |
| self.assertEqual(value.GetValueAsSigned(), 1111) |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| |
| self.main_source = "main.m" |
| self.main_source_spec = lldb.SBFileSpec(self.main_source) |
