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"""
Test utility functions for the frame object.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
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.")
def test_frame_utils(self):
"""Test utility functions for the frame object."""
self.build()
exe = self.getBuildArtifact("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.assertEqual(process.GetState(), lldb.eStateStopped,
PROCESS_STOPPED)
import lldbsuite.test.lldbutil as 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)
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