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"""
Test that breakpoints set on a bad address say they are bad.
"""
from __future__ import print_function
import os, time
import re
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class BadAddressBreakpointTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_bad_address_breakpoints (self):
"""Test that breakpoints set on a bad address say they are bad."""
self.build()
self.address_breakpoints()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def address_breakpoints(self):
"""Test that breakpoints set on a bad address say they are bad."""
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateBySourceRegex("Set a breakpoint here", lldb.SBFileSpec("main.c"))
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Get the breakpoint location from breakpoint after we verified that,
# indeed, it has one location.
location = breakpoint.GetLocationAtIndex(0)
self.assertTrue(location and
location.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
launch_info = lldb.SBLaunchInfo(None)
error = lldb.SBError()
process = target.Launch (launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
# Did we hit our breakpoint?
from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
threads = get_threads_stopped_at_breakpoint (process, breakpoint)
self.assertTrue(len(threads) == 1, "There should be a thread stopped at our breakpoint")
# The hit count for the breakpoint should be 1.
self.assertTrue(breakpoint.GetHitCount() == 1)
# Now see if we can read from 0. If I can't do that, I don't have a good way to know
# what an illegal address is...
error.Clear()
ptr = process.ReadPointerFromMemory(0x0, error)
if not error.Success():
bkpt = target.BreakpointCreateByAddress(0x0)
for bp_loc in bkpt:
self.assertTrue(bp_loc.IsResolved() == False)
else:
self.fail("Could not find an illegal address at which to set a bad breakpoint.")
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