| """ |
| Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class DataFormatterRefPtrRecursionTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym_and_run_command(self): |
| """Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed.""" |
| self.buildDsym() |
| self.data_formatter_commands() |
| |
| @dwarf_test |
| def test_with_dwarf_and_run_command(self): |
| """Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed.""" |
| self.buildDwarf() |
| self.data_formatter_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 data_formatter_commands(self): |
| """Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed.""" |
| 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']) |
| |
| self.expect("frame variable foo", substrs = []); |
| self.expect("frame variable foo --ptr-depth=1", substrs = ['ID = 1']); |
| self.expect("frame variable foo --ptr-depth=2", substrs = ['ID = 1']); |
| self.expect("frame variable foo --ptr-depth=3", substrs = ['ID = 1']); |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
