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60481839c0
Patch by Nitesh Jain. Summary: When incorrect type used for 'char' then (at least) one of the expression evaluates to incorrect value. Please refer to bug llvm.org/pr23069 Reviewers: ovyalov, clayborg Subscribers: lldb-commits, mohit.bhakkad, sagar, bhushan, jaydeep Differential: reviews.llvm.org/D16132 llvm-svn: 258684
71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
from __future__ import print_function
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class ExprCharTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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self.main_source = "main.cpp"
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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self.exe = os.path.join(os.getcwd(), "a.out")
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def do_test(self, dictionary=None):
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"""These basic expression commands should work as expected."""
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self.build(dictionary = dictionary)
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target = self.dbg.CreateTarget(self.exe)
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self.assertTrue(target)
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breakpoint = target.BreakpointCreateBySourceRegex('// Break here', self.main_source_spec)
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self.assertTrue(breakpoint)
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# Launch the process, and do not stop at the entry point.
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process = target.LaunchSimple(None, None, self.get_process_working_directory())
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self.assertTrue(process)
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threads = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint)
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self.assertEqual(len(threads), 1)
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frame = threads[0].GetFrameAtIndex(0)
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value = frame.EvaluateExpression("foo(c)")
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertEqual(value.GetValueAsSigned(0), 1)
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value = frame.EvaluateExpression("foo(sc)")
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertEqual(value.GetValueAsSigned(0), 2)
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value = frame.EvaluateExpression("foo(uc)")
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertEqual(value.GetValueAsSigned(0), 3)
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@expectedFailureWindows("llvm.org/pr21765")
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def test_default_char(self):
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self.do_test()
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@expectedFailureArch("arm", "llvm.org/pr23069")
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@expectedFailureArch("aarch64", "llvm.org/pr23069")
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@expectedFailureWindows("llvm.org/pr21765")
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def test_signed_char(self):
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self.do_test(dictionary={'CFLAGS_EXTRAS': '-fsigned-char'})
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@expectedFailurei386("llvm.org/pr23069")
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@expectedFailurex86_64("llvm.org/pr23069")
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@expectedFailureWindows("llvm.org/pr21765")
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@expectedFailureAll(bugnumber="llvm.org/pr23069", triple = 'mips*')
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def test_unsigned_char(self):
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self.do_test(dictionary={'CFLAGS_EXTRAS': '-funsigned-char'})
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