| """ |
| 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 Rdar10887661TestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| # rdar://problem/10887661 |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @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() |
| |
| # rdar://problem/10887661 |
| @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() |
