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from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExprCharTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.main_source = "main.cpp"
self.main_source_spec = lldb.SBFileSpec(self.main_source)
self.exe = os.path.join(os.getcwd(), "a.out")
def do_test(self, dictionary=None):
"""These basic expression commands should work as expected."""
self.build(dictionary=dictionary)
target = self.dbg.CreateTarget(self.exe)
self.assertTrue(target)
breakpoint = target.BreakpointCreateBySourceRegex(
'// Break here', self.main_source_spec)
self.assertTrue(breakpoint)
# Launch the process, and do not stop at the entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process)
threads = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint)
self.assertEqual(len(threads), 1)
frame = threads[0].GetFrameAtIndex(0)
value = frame.EvaluateExpression("foo(c)")
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Success())
self.assertEqual(value.GetValueAsSigned(0), 1)
value = frame.EvaluateExpression("foo(sc)")
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Success())
self.assertEqual(value.GetValueAsSigned(0), 2)
value = frame.EvaluateExpression("foo(uc)")
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Success())
self.assertEqual(value.GetValueAsSigned(0), 3)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
def test_default_char(self):
self.do_test()
@expectedFailureAll(
archs=[
"arm",
"aarch64",
"s390x"],
bugnumber="llvm.org/pr23069")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
def test_signed_char(self):
self.do_test(dictionary={'CFLAGS_EXTRAS': '-fsigned-char'})
@expectedFailureAll(
archs=[
"i[3-6]86",
"x86_64"],
bugnumber="llvm.org/pr23069, <rdar://problem/28721938>")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
@expectedFailureAll(triple='mips*', bugnumber="llvm.org/pr23069")
def test_unsigned_char(self):
self.do_test(dictionary={'CFLAGS_EXTRAS': '-funsigned-char'})
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