| """Test printing ivars and ObjC objects captured in blocks that are made in methods of an ObjC class.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class TestObjCIvarsInBlocks(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| # This test requires the 2.0 runtime, so it will fail on i386. |
| @expectedFailurei386 |
| @python_api_test |
| @dsym_test |
| def test_with_dsym_and_python_api(self): |
| """Test printing the ivars of the self when captured in blocks""" |
| self.buildDsym() |
| self.ivars_in_blocks() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| # This test requires the 2.0 runtime, so it will fail on i386. |
| @expectedFailurei386 |
| @dwarf_test |
| def test_with_dwarf_and_python_api(self): |
| """Test printing the ivars of the self when captured in blocks""" |
| self.buildDwarf() |
| self.ivars_in_blocks() |
| |
| 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) |
| |
| def ivars_in_blocks (self): |
| """Test printing the ivars of the self when captured in blocks""" |
| exe = os.path.join(os.getcwd(), "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.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.") |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint) |
| self.assertTrue (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.assertTrue (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.assertTrue (direct_value == indirect_value, "Direct ivar access and indirect through expression parser produce same value.") |
| |
| process.Continue() |
| self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped at the second breakpoint.") |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint_two) |
| self.assertTrue (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) |
| # print 'ret_value_signed = %i' % (ret_value_signed) |
| self.assertTrue (ret_value_signed == 5, "The local variable in the block was what we expected.") |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
