54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class ValueAPIEmptyClassTestCase(TestBase):
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def test(self):
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self.build()
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exe = self.getBuildArtifact("a.out")
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line = line_number('main.cpp', '// Break at this line')
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Create the breakpoint inside function 'main'.
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breakpoint = target.BreakpointCreateByLocation('main.cpp', line)
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self.assertTrue(breakpoint, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# Get Frame #0.
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self.assertState(process.GetState(), lldb.eStateStopped)
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thread = lldbutil.get_stopped_thread(
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process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint condition")
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frame0 = thread.GetFrameAtIndex(0)
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# Verify that we can access to a frame variable with an empty class type
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e = frame0.FindVariable('e')
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self.assertTrue(e.IsValid(), VALID_VARIABLE)
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self.DebugSBValue(e)
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self.assertEqual(e.GetNumChildren(), 0)
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# Verify that we can acces to a frame variable what is a pointer to an
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# empty class
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ep = frame0.FindVariable('ep')
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self.assertTrue(ep.IsValid(), VALID_VARIABLE)
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self.DebugSBValue(ep)
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# Verify that we can dereference a pointer to an empty class
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epd = ep.Dereference()
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self.assertTrue(epd.IsValid(), VALID_VARIABLE)
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self.DebugSBValue(epd)
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self.assertEqual(epd.GetNumChildren(), 0)
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