| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class ValueObjectRecursionTestCase(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 deeply nested ValueObjects still work.""" |
| 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']) |
| |
| # 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) |
| |
| # Execute the cleanup function during test case tear down. |
| self.addTearDownHook(cleanup) |
| |
| root = self.frame().FindVariable("root") |
| child = root.GetChildAtIndex(1) |
| if self.TraceOn(): |
| print(root) |
| print(child) |
| for i in range(0, 15000): |
| child = child.GetChildAtIndex(1) |
| if self.TraceOn(): |
| print(child) |
| self.assertTrue( |
| child.IsValid(), |
| "could not retrieve the deep ValueObject") |
| self.assertTrue( |
| child.GetChildAtIndex(0).IsValid(), |
| "the deep ValueObject has no value") |
| self.assertTrue( |
| child.GetChildAtIndex(0).GetValueAsUnsigned() != 0, |
| "the deep ValueObject has a zero value") |
| self.assertTrue( |
| child.GetChildAtIndex(1).GetValueAsUnsigned() != 0, |
| "the deep ValueObject has no next") |
