| """ |
| Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class DataFormatterRefPtrRecursionTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| 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 test_with_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.build() |
| self.runCmd("file " + self.getBuildArtifact("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']) |
