52c08d7ffd
This reverts commit 05f0e86cc8.
The debuginfo dexter tests are failing, probably because the way
stepping over breakpoints has changed with my patches. And there
are two API tests fails on the ubuntu-arm (32-bit) bot. I'll need
to investigate both of these, neither has an obvious failure reason.
110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
"""
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Test that we handle breakpoints on consecutive instructions correctly.
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"""
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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 ConsecutiveBreakpointsTestCase(TestBase):
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def prepare_test(self):
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self.build()
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(
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self.target,
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self.process,
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self.thread,
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bkpt,
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) = lldbutil.run_to_source_breakpoint(
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self, "Set breakpoint here", lldb.SBFileSpec("main.cpp")
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)
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# Set breakpoint to the next instruction
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frame = self.thread.GetFrameAtIndex(0)
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address = frame.GetPCAddress()
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instructions = self.target.ReadInstructions(address, 2)
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self.assertEqual(len(instructions), 2)
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self.bkpt_address = instructions[1].GetAddress()
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self.breakpoint2 = self.target.BreakpointCreateByAddress(
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self.bkpt_address.GetLoadAddress(self.target)
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)
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self.assertTrue(
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self.breakpoint2 and self.breakpoint2.GetNumLocations() == 1,
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VALID_BREAKPOINT,
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)
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def finish_test(self):
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# Run the process until termination
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self.process.Continue()
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self.assertState(self.process.GetState(), lldb.eStateExited)
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@no_debug_info_test
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def test_continue(self):
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"""Test that continue stops at the second breakpoint."""
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self.prepare_test()
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self.process.Continue()
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self.assertState(self.process.GetState(), lldb.eStateStopped)
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# We should be stopped at the second breakpoint
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self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(
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self.process, self.breakpoint2
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)
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self.assertIsNotNone(
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self.thread, "Expected one thread to be stopped at breakpoint 2"
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)
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self.finish_test()
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@no_debug_info_test
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def test_single_step(self):
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"""Test that single step stops at the second breakpoint."""
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self.prepare_test()
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step_over = False
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self.thread.StepInstruction(step_over)
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self.assertState(self.process.GetState(), lldb.eStateStopped)
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self.assertEqual(
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self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress(self.target),
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self.bkpt_address.GetLoadAddress(self.target),
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)
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self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(
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self.process, self.breakpoint2
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)
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self.assertIsNotNone(
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self.thread, "Expected one thread to be stopped at breakpoint 2"
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)
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self.finish_test()
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@no_debug_info_test
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def test_single_step_thread_specific(self):
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"""Test that single step stops, even though the second breakpoint is not valid."""
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self.prepare_test()
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# Choose a thread other than the current one. A non-existing thread is
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# fine.
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thread_index = self.process.GetNumThreads() + 1
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self.assertFalse(self.process.GetThreadAtIndex(thread_index).IsValid())
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self.breakpoint2.SetThreadIndex(thread_index)
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step_over = False
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self.thread.StepInstruction(step_over)
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self.assertState(self.process.GetState(), lldb.eStateStopped)
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self.assertEqual(
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self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress(self.target),
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self.bkpt_address.GetLoadAddress(self.target),
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)
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self.assertEqual(
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self.thread.GetStopReason(),
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lldb.eStopReasonPlanComplete,
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"Stop reason should be 'plan complete'",
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)
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self.finish_test()
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