llvm-project/lldb/packages/Python/lldbsuite/test/functionalities/frame_var/TestFrameVar.py

100 lines
3.7 KiB
Python

"""
Make sure the frame variable -g, -a, and -l flags work.
"""
from __future__ import print_function
import os
import time
import re
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class TestFrameVar(TestBase):
mydir = TestBase.compute_mydir(__file__)
# If your test case doesn't stress debug info, the
# set this to true. That way it won't be run once for
# each debug info format.
NO_DEBUG_INFO_TESTCASE = True
def test_frame_var(self):
self.build()
self.do_test()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def do_test(self):
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint in main.c at the source matching
# "Set a breakpoint here"
breakpoint = target.BreakpointCreateBySourceRegex(
"Set a breakpoint here", lldb.SBFileSpec("main.c"))
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() >= 1,
VALID_BREAKPOINT)
error = lldb.SBError()
# This is the launch info. If you want to launch with arguments or
# environment variables, add them using SetArguments or
# SetEnvironmentEntries
launch_info = lldb.SBLaunchInfo(None)
process = target.Launch(launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
# Did we hit our breakpoint?
from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
threads = get_threads_stopped_at_breakpoint(process, breakpoint)
self.assertTrue(
len(threads) == 1,
"There should be a thread stopped at our breakpoint")
# The hit count for the breakpoint should be 1.
self.assertTrue(breakpoint.GetHitCount() == 1)
frame = threads[0].GetFrameAtIndex(0)
command_result = lldb.SBCommandReturnObject()
interp = self.dbg.GetCommandInterpreter()
# Just get args:
result = interp.HandleCommand("frame var -l", command_result)
self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
output = command_result.GetOutput()
self.assertTrue("argc" in output, "Args didn't find argc")
self.assertTrue("argv" in output, "Args didn't find argv")
self.assertTrue("test_var" not in output, "Args found a local")
self.assertTrue("g_var" not in output, "Args found a global")
# Just get locals:
result = interp.HandleCommand("frame var -a", command_result)
self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
output = command_result.GetOutput()
self.assertTrue("argc" not in output, "Locals found argc")
self.assertTrue("argv" not in output, "Locals found argv")
self.assertTrue("test_var" in output, "Locals didn't find test_var")
self.assertTrue("g_var" not in output, "Locals found a global")
# Get the file statics:
result = interp.HandleCommand("frame var -l -a -g", command_result)
self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "frame var -a didn't succeed")
output = command_result.GetOutput()
self.assertTrue("argc" not in output, "Globals found argc")
self.assertTrue("argv" not in output, "Globals found argv")
self.assertTrue("test_var" not in output, "Globals found test_var")
self.assertTrue("g_var" in output, "Globals didn't find g_var")