Dave Lee 4cc8f2a017 [lldb][tests] Automatically call compute_mydir (NFC)
Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077
2022-06-17 14:34:49 -07:00

65 lines
2.1 KiB
Python

"""Test printing ObjC objects that use unbacked properties - so that the static ivar offsets are incorrect."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestObjCIvarStripped(TestBase):
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.')
@skipIf(
debug_info=no_match("dsym"),
bugnumber="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 = self.getBuildArtifact("a.out.stripped")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.dbg.HandleCommand("add-dsym "+self.getBuildArtifact("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.assertEqual(
process.GetState(), lldb.eStateStopped,
"Stopped it too.")
thread_list = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint)
self.assertEquals(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.assertSuccess(error)
self.assertEquals(ivar_value, 3)