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"""
Make sure the frame variable -g, -a, and -l flags work.
"""
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
class TestFrameVar(TestBase):
# If your test case doesn't stress debug info, then
# 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 do_test(self):
target = self.createTestTarget()
# 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 = target.GetLaunchInfo()
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.assertEqual(
len(threads), 1,
"There should be a thread stopped at our breakpoint")
# The hit count for the breakpoint should be 1.
self.assertEquals(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.assertIn("argc", output, "Args didn't find argc")
self.assertIn("argv", output, "Args didn't find argv")
self.assertNotIn("test_var", output, "Args found a local")
self.assertNotIn("g_var", 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.assertNotIn("argc", output, "Locals found argc")
self.assertNotIn("argv", output, "Locals found argv")
self.assertIn("test_var", output, "Locals didn't find test_var")
self.assertNotIn("g_var", 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.assertNotIn("argc", output, "Globals found argc")
self.assertNotIn("argv", output, "Globals found argv")
self.assertNotIn("test_var", output, "Globals found test_var")
self.assertIn("g_var", output, "Globals didn't find g_var")
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