91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
"""
|
|
Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs
|
|
"""
|
|
|
|
import os, time
|
|
import unittest2
|
|
import lldb
|
|
from lldbtest import *
|
|
import lldbutil
|
|
|
|
class SyntheticCappingTestCase(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
@skipUnlessDarwin
|
|
@dsym_test
|
|
def test_with_dsym_and_run_command(self):
|
|
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
|
|
self.buildDsym()
|
|
self.capping_test_commands()
|
|
|
|
@dwarf_test
|
|
def test_with_dwarf_and_run_command(self):
|
|
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
|
|
self.buildDwarf()
|
|
self.capping_test_commands()
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
# Find the line number to break at.
|
|
self.line = line_number('main.cpp', '// Set break point at this line.')
|
|
|
|
def capping_test_commands(self):
|
|
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
|
|
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
|
|
|
|
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
|
|
|
|
self.runCmd("run", RUN_SUCCEEDED)
|
|
|
|
# The stop reason of the thread should be breakpoint.
|
|
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
|
|
substrs = ['stopped',
|
|
'stop reason = breakpoint'])
|
|
|
|
# This is the function to remove the custom formats in order to have a
|
|
# clean slate for the next test case.
|
|
def cleanup():
|
|
self.runCmd('type format clear', check=False)
|
|
self.runCmd('type summary clear', check=False)
|
|
self.runCmd('type filter clear', check=False)
|
|
self.runCmd('type synth clear', check=False)
|
|
self.runCmd("settings set target.max-children-count 256", check=False)
|
|
|
|
# Execute the cleanup function during test case tear down.
|
|
self.addTearDownHook(cleanup)
|
|
|
|
# set up the synthetic children provider
|
|
self.runCmd("script from fooSynthProvider import *")
|
|
self.runCmd("type synth add -l fooSynthProvider foo")
|
|
|
|
# check that the synthetic children work, so we know we are doing the right thing
|
|
self.expect("frame variable f00_1",
|
|
substrs = ['r = 33',
|
|
'fake_a = 16777216',
|
|
'a = 0']);
|
|
|
|
# check that capping works
|
|
self.runCmd("settings set target.max-children-count 2", check=False)
|
|
|
|
self.expect("frame variable f00_1",
|
|
substrs = ['...',
|
|
'fake_a = 16777216',
|
|
'a = 0']);
|
|
|
|
self.expect("frame variable f00_1", matching=False,
|
|
substrs = ['r = 33']);
|
|
|
|
|
|
self.runCmd("settings set target.max-children-count 256", check=False)
|
|
|
|
self.expect("frame variable f00_1", matching=True,
|
|
substrs = ['r = 33']);
|
|
|
|
if __name__ == '__main__':
|
|
import atexit
|
|
lldb.SBDebugger.Initialize()
|
|
atexit.register(lambda: lldb.SBDebugger.Terminate())
|
|
unittest2.main()
|