File: TestBreakpointSetRestart.py

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llvm-toolchain-3.9 1%3A3.9.1-8
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"""
Test inferior restart when breakpoint is set on running target.
"""

import os
import lldb
from lldbsuite.test.lldbtest import *

class BreakpointSetRestart(TestBase):

    mydir = TestBase.compute_mydir(__file__)
    BREAKPOINT_TEXT = 'Set a breakpoint here'

    def test_breakpoint_set_restart(self):
        self.build()

        cwd = os.getcwd()
        exe = os.path.join(cwd, 'a.out')
        
        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target, VALID_TARGET)

        self.dbg.SetAsync(True)
        process = target.LaunchSimple(None, None, self.get_process_working_directory())
        self.assertTrue(process, PROCESS_IS_VALID)

        event = lldb.SBEvent()
        # Wait for inferior to transition to running state
        while self.dbg.GetListener().WaitForEvent(2, event):
            if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateRunning:
                break
        
        bp = target.BreakpointCreateBySourceRegex(self.BREAKPOINT_TEXT,
                                                  lldb.SBFileSpec(os.path.join(cwd, 'main.cpp')))
        self.assertTrue(bp.IsValid() and bp.GetNumLocations() == 1, VALID_BREAKPOINT)

        while self.dbg.GetListener().WaitForEvent(2, event):
            if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateStopped and lldb.SBProcess.GetRestartedFromEvent(event):
                continue
            if lldb.SBProcess.GetStateFromEvent(event) == lldb.eStateRunning:
                continue
            self.fail("Setting a breakpoint generated an unexpected event: %s" % lldb.SBDebugger.StateAsCString(lldb.SBProcess.GetStateFromEvent(event)))