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"""
Test the "process continue -b" option.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestContinueToBkpts(TestBase):
NO_DEBUG_INFO_TESTCASE = True
@add_test_categories(["pyapi"])
def test_continue_to_breakpoints(self):
"""Test that the continue to breakpoints feature works correctly."""
self.build()
self.do_test_continue_to_breakpoint()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.main_source_spec = lldb.SBFileSpec("main.c")
def continue_and_check(self, stop_list, bkpt_to_hit, loc_to_hit=0):
"""Build up a command that will run a continue -b commands using the breakpoints on stop_list, and
ensure that we hit bkpt_to_hit.
If loc_to_hit is not 0, also verify that we hit that location."""
command = "process continue"
for elem in stop_list:
command += " -b {0}".format(elem)
self.expect(command)
self.assertStopReason(
self.thread.stop_reason, lldb.eStopReasonBreakpoint, "Hit a breakpoint"
)
self.assertEqual(
self.thread.GetStopReasonDataAtIndex(0),
bkpt_to_hit,
"Hit the right breakpoint",
)
if loc_to_hit != 0:
self.assertEqual(
self.thread.GetStopReasonDataAtIndex(1),
loc_to_hit,
"Hit the right location",
)
for bkpt_id in self.bkpt_list:
bkpt = self.target.FindBreakpointByID(bkpt_id)
self.assertTrue(bkpt.IsValid(), "Breakpoint id's round trip")
if bkpt.MatchesName("disabled"):
self.assertFalse(
bkpt.IsEnabled(),
"Disabled breakpoints stay disabled: {0}".format(bkpt.GetID()),
)
else:
self.assertTrue(
bkpt.IsEnabled(),
"Enabled breakpoints stay enabled: {0}".format(bkpt.GetID()),
)
# Also do our multiple location one:
bkpt = self.target.FindBreakpointByID(self.multiple_loc_id)
self.assertTrue(bkpt.IsValid(), "Breakpoint with locations round trip")
for i in range(1, 3):
loc = bkpt.FindLocationByID(i)
self.assertTrue(loc.IsValid(), "Locations round trip")
if i == 2:
self.assertTrue(
loc.IsEnabled(), "Locations that were enabled stay enabled"
)
else:
self.assertFalse(
loc.IsEnabled(), "Locations that were disabled stay disabled"
)
def do_test_continue_to_breakpoint(self):
"""Test the continue to breakpoint feature."""
(self.target, process, self.thread, bkpt) = lldbutil.run_to_source_breakpoint(
self, "Stop here to get started", self.main_source_spec
)
# Now set up all our breakpoints:
bkpt_pattern = "This is the {0} stop"
bkpt_elements = [
"zeroth",
"first",
"second",
"third",
"fourth",
"fifth",
"sixth",
"seventh",
"eighth",
"nineth",
]
disabled_bkpts = ["first", "eigth"]
bkpts_for_MyBKPT = ["first", "sixth", "nineth"]
self.bkpt_list = []
for elem in bkpt_elements:
bkpt = self.target.BreakpointCreateBySourceRegex(
bkpt_pattern.format(elem), self.main_source_spec
)
self.assertGreater(bkpt.GetNumLocations(), 0, "Found a bkpt match")
self.bkpt_list.append(bkpt.GetID())
bkpt.AddName(elem)
if elem in disabled_bkpts:
bkpt.AddName("disabled")
bkpt.SetEnabled(False)
if elem in bkpts_for_MyBKPT:
bkpt.AddName("MyBKPT")
# Also make one that has several locations, so we can test locations:
mult_bkpt = self.target.BreakpointCreateBySourceRegex(
bkpt_pattern.format("(seventh|eighth|nineth)"), self.main_source_spec
)
self.assertEqual(mult_bkpt.GetNumLocations(), 3, "Got three matches")
mult_bkpt.AddName("Locations")
# Disable all of these:
for i in range(1, 4):
loc = mult_bkpt.FindLocationByID(i)
self.assertTrue(loc.IsValid(), "Location {0} is valid".format(i))
loc.SetEnabled(False)
self.assertFalse(loc.IsEnabled(), "Loc {0} wasn't disabled".format(i))
self.multiple_loc_id = mult_bkpt.GetID()
# First test out various error conditions
# All locations of the multiple_loc_id are disabled, so running to this should be an error:
self.expect(
"process continue -b {0}".format(self.multiple_loc_id),
error=True,
msg="Running to a disabled breakpoint by number",
)
# Now re-enable the middle one so we can run to it:
loc = mult_bkpt.FindLocationByID(2)
loc.SetEnabled(True)
self.expect(
"process continue -b {0}".format(self.bkpt_list[1]),
error=True,
msg="Running to a disabled breakpoint by number",
)
self.expect(
"process continue -b {0}.1".format(self.bkpt_list[1]),
error=True,
msg="Running to a location of a disabled breakpoint",
)
self.expect(
"process continue -b disabled",
error=True,
msg="Running to a disabled set of breakpoints",
)
self.expect(
"process continue -b {0}.{1}".format(self.multiple_loc_id, 1),
error=True,
msg="Running to a disabled breakpoint location",
)
self.expect(
"process continue -b {0}".format("THERE_ARE_NO_BREAKPOINTS_BY_THIS_NAME"),
error=True,
msg="Running to no such name",
)
self.expect(
"process continue -b {0}".format(1000),
error=True,
msg="Running to no such breakpoint",
)
self.expect(
"process continue -b {0}.{1}".format(self.multiple_loc_id, 1000),
error=True,
msg="Running to no such location",
)
# Now move forward, this time with breakpoint numbers. First time we don't skip other bkpts.
bkpt = self.bkpt_list[0]
self.continue_and_check([str(bkpt)], bkpt)
# Now skip to the third stop, do it by name and supply one of the later breakpoints as well:
# This continue has to muck with the sync mode of the debugger, so let's make sure we
# put it back. First try if it was in sync mode:
orig_async = self.dbg.GetAsync()
self.dbg.SetAsync(True)
self.continue_and_check([bkpt_elements[2], bkpt_elements[7]], self.bkpt_list[2])
after_value = self.dbg.GetAsync()
self.dbg.SetAsync(orig_async)
self.assertTrue(after_value, "Preserve async as True if it started that way")
# Now try a name that has several breakpoints.
# This time I'm also going to check that we put the debugger async mode back if
# if was False to begin with:
self.dbg.SetAsync(False)
self.continue_and_check(["MyBKPT"], self.bkpt_list[6])
after_value = self.dbg.GetAsync()
self.dbg.SetAsync(orig_async)
self.assertFalse(after_value, "Preserve async as False if it started that way")
# Now let's run to a particular location. Also specify a breakpoint we've already hit:
self.continue_and_check(
[self.bkpt_list[0], self.multiple_loc_id], self.multiple_loc_id, 2
)
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