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"""Test that a global ObjC object found before the process is started updates correctly."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestObjCGlobalVar(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.main_source = lldb.SBFileSpec("main.m")
@add_test_categories(["pyapi"])
def test_with_python_api(self):
"""Test that a global ObjC object found before the process is started updates correctly."""
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
bkpt = target.BreakpointCreateBySourceRegex("NSLog", self.main_source)
self.assertTrue(bkpt, VALID_BREAKPOINT)
# Before we launch, make an SBValue for our global object pointer:
g_obj_ptr = target.FindFirstGlobalVariable("g_obj_ptr")
self.assertSuccess(g_obj_ptr.GetError(), "Made the g_obj_ptr")
self.assertEqual(
g_obj_ptr.GetValueAsUnsigned(10), 0, "g_obj_ptr is initially null"
)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
if len(threads) != 1:
self.fail("Failed to stop at breakpoint 1.")
thread = threads[0]
dyn_value = g_obj_ptr.GetDynamicValue(lldb.eDynamicCanRunTarget)
self.assertTrue(dyn_value.GetError().Success(), "Dynamic value is valid")
self.assertEqual(dyn_value.GetObjectDescription(), "Some NSString")
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