| """ |
| Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class DataFormatterRefPtrRecursionTestCase(TestBase): |
| 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"]) |
