packages/Python/lldbsuite/test/api/listeners/TestListener.py

   1 """
   2 Test that we can listen to modules loaded events.
   3 """
   4
   5 from __future__ import print_function
   6
   7 import copy
   8 import os
   9 import time
  10
  11 import lldb
  12 from lldbsuite.test.decorators import *
  13 from lldbsuite.test.lldbtest import *
  14 from lldbsuite.test import lldbutil
  15
  16 import six
  17
  18
  19 class ListenToModuleLoadedEvents (TestBase):
  20
  21     mydir = TestBase.compute_mydir(__file__)
  22
  23     def setUp(self):
  24         # Call super's setUp().
  25         TestBase.setUp(self)
  26
  27     def test_receiving_breakpoint_added(self):
  28         """Test that we get breakpoint added events, waiting on event classes on the debugger"""
  29         self.build()
  30
  31         my_listener = lldb.SBListener("test_listener")
  32
  33         my_listener.StartListeningForEventClass(
  34             self.dbg,
  35             lldb.SBTarget.GetBroadcasterClassName(),
  36             lldb.SBTarget.eBroadcastBitBreakpointChanged)
  37
  38         exe = self.getBuildArtifact("a.out")
  39
  40         target = self.dbg.CreateTarget(exe)
  41
  42         bkpt = target.BreakpointCreateByName("main")
  43
  44         event = lldb.SBEvent()
  45         my_listener.WaitForEvent(1, event)
  46
  47         self.assertTrue(event.IsValid(), "Got a valid event.")
  48         self.assertTrue(
  49             lldb.SBBreakpoint.EventIsBreakpointEvent(event),
  50             "It is a breakpoint event.")
  51         self.assertTrue(lldb.SBBreakpoint.GetBreakpointEventTypeFromEvent(
  52             event) == lldb.eBreakpointEventTypeAdded, "It is a breakpoint added event.")
  53         self.assertTrue(
  54             bkpt == lldb.SBBreakpoint.GetBreakpointFromEvent(event),
  55             "It is our breakpoint.")
  56
  57         # Now make sure if we stop listening for events we don't get them:
  58
  59         my_listener.StopListeningForEventClass(
  60             self.dbg,
  61             lldb.SBTarget.GetBroadcasterClassName(),
  62             lldb.SBTarget.eBroadcastBitBreakpointChanged)
  63         my_listener.StopListeningForEvents(
  64             target.GetBroadcaster(),
  65             lldb.SBTarget.eBroadcastBitBreakpointChanged)
  66
  67         bkpt2 = target.BreakpointCreateByName("main")
  68         my_listener.WaitForEvent(1, event)
  69         self.assertTrue(
  70             not event.IsValid(),
  71             "We don't get events we aren't listening to.")