"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class ValueObjectRecursionTestCase(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.")
@no_debug_info_test
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.assertNotEqual(
child.GetChildAtIndex(0).GetValueAsUnsigned(),
0,
"the deep ValueObject has a zero value",
)
self.assertNotEqual(
child.GetChildAtIndex(1).GetValueAsUnsigned(),
0,
"the deep ValueObject has no next",
)