llvm-project/lldb/test/python_api/lldbutil/frame/TestFrameUtils.py

67 lines
2.2 KiB
Python

"""
Test utility functions for the frame object.
"""
import os
import unittest2
import lldb
from lldbtest import *
class FrameUtilsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c',
"// Find the line number here.")
@python_api_test
def test_frame_utils(self):
"""Test utility functions for the frame object."""
self.buildDefault()
self.frame_utils()
def frame_utils(self):
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateByLocation("main.c", self.line)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (None, None, self.get_process_working_directory())
if not process:
self.fail("SBTarget.LaunchProcess() failed")
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
import lldbutil
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue (thread)
frame0 = thread.GetFrameAtIndex(0)
self.assertTrue (frame0)
frame1 = thread.GetFrameAtIndex(1)
self.assertTrue (frame1)
parent = lldbutil.get_parent_frame(frame0)
self.assertTrue(parent and parent.GetFrameID() == frame1.GetFrameID())
frame0_args = lldbutil.get_args_as_string(frame0)
parent_args = lldbutil.get_args_as_string(parent)
self.assertTrue(frame0_args and parent_args and "(int)val=1" in frame0_args)
if self.TraceOn():
lldbutil.print_stacktrace(thread)
print "Current frame: %s" % frame0_args
print "Parent frame: %s" % parent_args
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()