TestBitfieldIvars.py
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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestBitfieldIvars(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
def test(self):
self.build()
lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.m"))
self.expect_expr("chb->hb->field1", result_type="unsigned int", result_value="0")
## This should happen second
self.expect_expr("chb->hb->field2", result_type="unsigned int", result_value="1")
self.expect_expr("hb2->field1", result_type="unsigned int", result_value="10")
self.expect_expr("hb2->field2", result_type="unsigned int", result_value="3")
self.expect_expr("hb2->field3", result_type="unsigned int", result_value="4")
self.expect("frame var *hb2", substrs = [ 'x =', '100',
'field1 =', '10',
'field2 =', '3',
'field3 =', '4'])
# This test is meant to be xfailed, but running the test triggers an ASan
# issue, so it must be skipped for now.
@skipIf
def testExprWholeObject(self):
self.build()
lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.m"))
## FIXME expression with individual bit-fields obtains correct values but not with the whole object
self.expect("expr *hb2", substrs = [ 'x =', '100',
'field1 =', '10',
'field2 =', '3',
'field3 =', '4'])