TestObjCDirectDispatchStepping.py
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"""Test stepping through ObjC method dispatch in various forms."""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestObjCDirectDispatchStepping(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers that we will step to in main:
self.main_source = lldb.SBFileSpec("stepping-tests.m")
@skipUnlessDarwin
@add_test_categories(['pyapi', 'basic_process'])
def test_with_python_api(self):
"""Test stepping through the 'direct dispatch' optimized method calls."""
self.build()
(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
"Stop here to start stepping",
self.main_source)
stop_bkpt = target.BreakpointCreateBySourceRegex("// Stop Location [0-9]+", self.main_source)
self.assertEqual(stop_bkpt.GetNumLocations(), 15)
# Here we step through all the overridden methods of OverridesALot
# The last continue will get us to the call ot OverridesInit.
for idx in range(2,16):
thread.StepInto()
func_name = thread.GetFrameAtIndex(0).GetFunctionName()
self.assertTrue("OverridesALot" in func_name, "%d'th step did not match name: %s"%(idx, func_name))
stop_threads = lldbutil.continue_to_breakpoint(process, stop_bkpt)
self.assertEqual(len(stop_threads), 1)
self.assertEqual(stop_threads[0], thread)
thread.StepInto()
func_name = thread.GetFrameAtIndex(0).GetFunctionName()
self.assertEqual(func_name, "-[OverridesInit init]", "Stopped in [OverridesInit init]")