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4a289a93f7
expectedFailureWindows is equivalent to using the general expectedFailureAll decorator with oslist="windows". Additionally, by moving towards these common decorators we can solve the issue of having to support decorators that can be called with or without arguments. Once all decorators are always called with arguments, and this is enforced by design (because you can't specify the condition you're decorating for without passing an argument) the implementation of the decorators can become much simpler Differential Revision: http://reviews.llvm.org/D16936 llvm-svn: 260134
67 lines
2.9 KiB
Python
67 lines
2.9 KiB
Python
"""
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Test lldb exception breakpoint command for CPP.
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"""
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from __future__ import print_function
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import os, time
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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 CPPBreakpointTestCase(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.source = 'exceptions.cpp'
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self.catch_line = line_number(self.source, '// This is the line you should stop at for catch')
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24538, clang-cl does not support throw or catch")
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def test(self):
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"""Test lldb exception breakpoint command for CPP."""
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self.build()
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target from the debugger.
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target = self.dbg.CreateTarget (exe)
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self.assertTrue(target, VALID_TARGET)
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exception_bkpt = target.BreakpointCreateForException (lldb.eLanguageTypeC_plus_plus, True, True)
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self.assertTrue (exception_bkpt, "Made an exception breakpoint")
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# Now run, and make sure we hit our breakpoint:
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue (process, "Got a valid process")
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stopped_threads = []
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stopped_threads = lldbutil.get_threads_stopped_at_breakpoint (process, exception_bkpt)
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self.assertTrue (len(stopped_threads) == 1, "Stopped at our exception breakpoint.")
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thread = stopped_threads[0]
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# Make sure our throw function is still above us on the stack:
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frame_functions = lldbutil.get_function_names(thread)
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self.assertTrue (frame_functions.count ("throws_exception_on_even(int)") == 1, "Our throw function is still on the stack.")
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# Okay we hit our exception throw breakpoint, now make sure we get our catch breakpoint.
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# One potential complication is that we might hit a couple of the exception breakpoints in getting out of the throw.
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# so loop till we don't see the throws function on the stack. We should stop one more time for our exception breakpoint
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# and that should be the catch...
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while frame_functions.count ("throws_exception_on_even(int)") == 1:
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stopped_threads = lldbutil.continue_to_breakpoint (process, exception_bkpt)
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self.assertTrue (len(stopped_threads) == 1)
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thread = stopped_threads[0]
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frame_functions = lldbutil.get_function_names(thread)
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self.assertTrue (frame_functions.count ("throws_exception_on_even(int)") == 0, "At catch our throw function is off the stack")
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self.assertTrue (frame_functions.count ("intervening_function(int)") == 0, "At catch our intervening function is off the stack")
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self.assertTrue (frame_functions.count ("catches_exception(int)") == 1, "At catch our catch function is on the stack")
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