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"""Test printing ObjC objects that use unbacked properties - so that the static ivar offsets are incorrect."""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class TestObjCIvarStripped(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.stop_line = line_number(self.main_source, '// Set breakpoint here.')
@skipUnlessDarwin
@skipIfDwarf # This test requires a stripped binary and a dSYM
@skipIfDWO # This test requires a stripped binary and a dSYM
@add_test_categories(['pyapi'])
def test_with_python_api(self):
"""Test that we can find stripped Objective-C ivars in the runtime"""
self.build()
exe = os.path.join(os.getcwd(), "a.out.stripped")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.dbg.HandleCommand("add-dsym a.out.dSYM")
breakpoint = target.BreakpointCreateByLocation(self.main_source, self.stop_line)
self.assertTrue(breakpoint.IsValid() and breakpoint.GetNumLocations() > 0, 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")
# Test the expression for mc->_foo
error = lldb.SBError()
ivar = frame.EvaluateExpression ("(mc->_foo)")
self.assertTrue(ivar, "Got result for mc->_foo")
ivar_value = ivar.GetValueAsSigned (error)
self.assertTrue (error.Success())
self.assertTrue (ivar_value == 3)
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