| """Test printing ivars and ObjC objects captured in blocks that are made in methods of an ObjC class.""" |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestObjCIvarsInBlocks(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line numbers to break inside main(). |
| self.main_source = "main.m" |
| self.class_source = "ivars-in-blocks.m" |
| self.class_source_file_spec = lldb.SBFileSpec(self.class_source) |
| |
| @add_test_categories(['pyapi']) |
| @skipIf(dwarf_version=['<', '4']) |
| @expectedFailureAll( |
| archs=["i[3-6]86"], |
| bugnumber="This test requires the 2.0 runtime, so it will fail on i386") |
| def test_with_python_api(self): |
| """Test printing the ivars of the self when captured in blocks""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| breakpoint = target.BreakpointCreateBySourceRegex( |
| '// Break here inside the block.', self.class_source_file_spec) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| breakpoint_two = target.BreakpointCreateBySourceRegex( |
| '// Break here inside the class method block.', self.class_source_file_spec) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertTrue(process, "Created a process.") |
| self.assertEqual( |
| process.GetState(), lldb.eStateStopped, |
| "Stopped it too.") |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| process, breakpoint) |
| self.assertEqual(len(thread_list), 1) |
| thread = thread_list[0] |
| |
| frame = thread.GetFrameAtIndex(0) |
| self.assertTrue(frame, "frame 0 is valid") |
| |
| # First use the FindVariable API to see if we can find the ivar by |
| # undecorated name: |
| direct_blocky = frame.GetValueForVariablePath("blocky_ivar") |
| self.assertTrue(direct_blocky, "Found direct access to blocky_ivar.") |
| |
| # Now get it as a member of "self" and make sure the two values are |
| # equal: |
| self_var = frame.GetValueForVariablePath("self") |
| self.assertTrue(self_var, "Found self in block.") |
| indirect_blocky = self_var.GetChildMemberWithName("blocky_ivar") |
| self.assertTrue(indirect_blocky, "Found blocky_ivar through self") |
| |
| error = lldb.SBError() |
| direct_value = direct_blocky.GetValueAsSigned(error) |
| self.assertTrue(error.Success(), "Got direct value for blocky_ivar") |
| |
| indirect_value = indirect_blocky.GetValueAsSigned(error) |
| self.assertTrue(error.Success(), "Got indirect value for blocky_ivar") |
| |
| self.assertEqual( |
| direct_value, indirect_value, |
| "Direct and indirect values are equal.") |
| |
| # Now make sure that we can get at the captured ivar through the expression parser. |
| # Doing a little trivial math will force this into the real expression |
| # parser: |
| direct_expr = frame.EvaluateExpression("blocky_ivar + 10") |
| self.assertTrue( |
| direct_expr, |
| "Got blocky_ivar through the expression parser") |
| |
| # Again, get the value through self directly and make sure they are the |
| # same: |
| indirect_expr = frame.EvaluateExpression("self->blocky_ivar + 10") |
| self.assertTrue( |
| indirect_expr, |
| "Got blocky ivar through expression parser using self.") |
| |
| direct_value = direct_expr.GetValueAsSigned(error) |
| self.assertTrue( |
| error.Success(), |
| "Got value from direct use of expression parser") |
| |
| indirect_value = indirect_expr.GetValueAsSigned(error) |
| self.assertTrue( |
| error.Success(), |
| "Got value from indirect access using the expression parser") |
| |
| self.assertEqual( |
| direct_value, indirect_value, |
| "Direct ivar access and indirect through expression parser produce same value.") |
| |
| process.Continue() |
| self.assertEqual( |
| process.GetState(), lldb.eStateStopped, |
| "Stopped at the second breakpoint.") |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| process, breakpoint_two) |
| self.assertEqual(len(thread_list), 1) |
| thread = thread_list[0] |
| |
| frame = thread.GetFrameAtIndex(0) |
| self.assertTrue(frame, "frame 0 is valid") |
| |
| expr = frame.EvaluateExpression("(ret)") |
| self.assertTrue( |
| expr, "Successfully got a local variable in a block in a class method.") |
| |
| ret_value_signed = expr.GetValueAsSigned(error) |
| self.trace('ret_value_signed = %i' % (ret_value_signed)) |
| self.assertEqual( |
| ret_value_signed, 5, |
| "The local variable in the block was what we expected.") |
