Files
clang-p2996/lldb/test/API/functionalities/data-formatter/refpointer-recursion/TestDataFormatterRefPtrRecursion.py
Dave Lee 4cc8f2a017 [lldb][tests] Automatically call compute_mydir (NFC)
Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077
2022-06-17 14:34:49 -07:00

39 lines
1.4 KiB
Python

"""
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'])