69 lines · python
1"""2Test lldb data formatter subsystem.3"""4 5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8import lldbsuite.test.lldbutil as lldbutil9 10 11class ValueObjectRecursionTestCase(TestBase):12 def setUp(self):13 # Call super's setUp().14 TestBase.setUp(self)15 # Find the line number to break at.16 self.line = line_number("main.cpp", "// Set break point at this line.")17 18 @no_debug_info_test19 def test_with_run_command(self):20 """Test that deeply nested ValueObjects still work."""21 self.build()22 self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)23 24 lldbutil.run_break_set_by_file_and_line(25 self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True26 )27 28 self.runCmd("run", RUN_SUCCEEDED)29 30 # The stop reason of the thread should be breakpoint.31 self.expect(32 "thread list",33 STOPPED_DUE_TO_BREAKPOINT,34 substrs=["stopped", "stop reason = breakpoint"],35 )36 37 # This is the function to remove the custom formats in order to have a38 # clean slate for the next test case.39 def cleanup():40 self.runCmd("type format clear", check=False)41 self.runCmd("type summary clear", check=False)42 43 # Execute the cleanup function during test case tear down.44 self.addTearDownHook(cleanup)45 46 root = self.frame().FindVariable("root")47 child = root.GetChildAtIndex(1)48 if self.TraceOn():49 print(root)50 print(child)51 for i in range(0, 15000):52 child = child.GetChildAtIndex(1)53 if self.TraceOn():54 print(child)55 self.assertTrue(child.IsValid(), "could not retrieve the deep ValueObject")56 self.assertTrue(57 child.GetChildAtIndex(0).IsValid(), "the deep ValueObject has no value"58 )59 self.assertNotEqual(60 child.GetChildAtIndex(0).GetValueAsUnsigned(),61 0,62 "the deep ValueObject has a zero value",63 )64 self.assertNotEqual(65 child.GetChildAtIndex(1).GetValueAsUnsigned(),66 0,67 "the deep ValueObject has no next",68 )69