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https://github.com/Gericom/teak-llvm.git
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29872606d2
Summary: As discussed on lldb-dev, this patch moves some LLDB tests into a hierarchy that more closely resembles the commands we use in the LLDB interpreter. This patch should only move tests that use the command interpreter and shouldn't touch any tests that primarily test the SB API. Reviewers: #lldb, jfb, JDevlieghere Reviewed By: #lldb, JDevlieghere Subscribers: dexonsmith, arphaman, JDevlieghere, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D67033 llvm-svn: 370605
105 lines
3.7 KiB
Python
105 lines
3.7 KiB
Python
"""
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Test calling a function that throws an ObjC exception, make sure that it doesn't propagate the exception.
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"""
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from __future__ import print_function
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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 ExprCommandWithThrowTestCase(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 = "call-throws.m"
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self.main_source_spec = lldb.SBFileSpec(self.main_source)
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@skipUnlessDarwin
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def test(self):
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"""Test calling a function that throws and ObjC exception."""
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self.build()
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self.call_function()
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def check_after_call(self):
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# Check that we are back where we were before:
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frame = self.thread.GetFrameAtIndex(0)
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self.assertTrue(
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self.orig_frame_pc == frame.GetPC(),
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"Restored the zeroth frame correctly")
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def call_function(self):
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"""Test calling function that throws."""
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(target, process, self.thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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'I am about to throw.', self.main_source_spec)
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options = lldb.SBExpressionOptions()
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options.SetUnwindOnError(True)
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frame = self.thread.GetFrameAtIndex(0)
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# Store away the PC to check that the functions unwind to the right
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# place after calls
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self.orig_frame_pc = frame.GetPC()
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value = frame.EvaluateExpression("[my_class callMeIThrow]", options)
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success() == False)
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self.check_after_call()
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# Okay, now try with a breakpoint in the called code in the case where
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# we are ignoring breakpoint hits.
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handler_bkpt = target.BreakpointCreateBySourceRegex(
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"I felt like it", self.main_source_spec)
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self.assertTrue(handler_bkpt.GetNumLocations() > 0)
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options.SetIgnoreBreakpoints(True)
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options.SetUnwindOnError(True)
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value = frame.EvaluateExpression("[my_class callMeIThrow]", options)
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self.assertTrue(
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value.IsValid() and value.GetError().Success() == False)
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self.check_after_call()
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# Now set the ObjC language breakpoint and make sure that doesn't
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# interfere with the call:
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exception_bkpt = target.BreakpointCreateForException(
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lldb.eLanguageTypeObjC, False, True)
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self.assertTrue(exception_bkpt.GetNumLocations() > 0)
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options.SetIgnoreBreakpoints(True)
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options.SetUnwindOnError(True)
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value = frame.EvaluateExpression("[my_class callMeIThrow]", options)
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self.assertTrue(
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value.IsValid() and value.GetError().Success() == False)
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self.check_after_call()
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# Now turn off exception trapping, and call a function that catches the exceptions,
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# and make sure the function actually completes, and we get the right
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# value:
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options.SetTrapExceptions(False)
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value = frame.EvaluateExpression("[my_class iCatchMyself]", options)
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertTrue(value.GetValueAsUnsigned() == 57)
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self.check_after_call()
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options.SetTrapExceptions(True)
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# Now set this unwind on error to false, and make sure that we stop
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# where the exception was thrown
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options.SetUnwindOnError(False)
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value = frame.EvaluateExpression("[my_class callMeIThrow]", options)
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self.assertTrue(
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value.IsValid() and value.GetError().Success() == False)
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self.check_after_call()
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