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"""
Test that breakpoints set on a bad address say they are bad.
"""
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class BadAddressBreakpointTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def test_bad_address_breakpoints(self):
"""Test that breakpoints set on a bad address say they are bad."""
self.build()
self.address_breakpoints()
def address_breakpoints(self):
"""Test that breakpoints set on a bad address say they are bad."""
target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, "Set a breakpoint here", lldb.SBFileSpec("main.c")
)
# illegal_address will hold (optionally) an address that, if
# used as a breakpoint, will generate an unresolved breakpoint.
illegal_address = None
# Walk through all the memory regions in the process and
# find an address that is invalid.
regions = process.GetMemoryRegions()
for region_idx in range(regions.GetSize()):
region = lldb.SBMemoryRegionInfo()
regions.GetMemoryRegionAtIndex(region_idx, region)
if illegal_address is None or region.GetRegionEnd() > illegal_address:
illegal_address = region.GetRegionEnd()
if illegal_address is not None:
# Now, set a breakpoint at the address we know is illegal.
bkpt = target.BreakpointCreateByAddress(illegal_address)
# Verify that breakpoint is not resolved.
for bp_loc in bkpt:
self.assertFalse(bp_loc.IsResolved())
else:
self.fail(
"Could not find an illegal address at which to set a bad breakpoint."
)
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