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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCase(TestBase):
def test(self):
"""
Tests that running the utility expression that retrieves the Objective-C
class list works even when user-code contains functions with apparently
conflicting identifiers (e.g. 'free') but that are not in the global
scope.
This is *not* supposed to test what happens when there are actual
conflicts such as when a user somehow defined their own '::free'
function.
"""
self.build()
lldbutil.run_to_source_breakpoint(
self, "// break here", lldb.SBFileSpec("main.mm")
)
# First check our side effect variable is in its initial state.
self.expect_expr("called_function", result_summary='"none"')
# Get the (dynamic) type of our 'id' variable so that our Objective-C
# runtime information is updated.
str_val = self.expect_expr("str")
dyn_val = str_val.GetDynamicValue(lldb.eDynamicCanRunTarget)
dyn_type = dyn_val.GetTypeName()
# Check our side effect variable which should still be in its initial
# state if none of our trap functions were called.
# If this is failing, then LLDB called one of the trap functions.
self.expect_expr("called_function", result_summary='"none"')
# Double check that our dynamic type is correct. This is done last
# as the assert message from above is the more descriptive one (it
# contains the unintentionally called function).
self.assertEqual(dyn_type, "__NSCFConstantString *")
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