llvm-project/lldb/test/functionalities/embedded_interpreter/TestConvenienceVariables.py

90 lines
3.2 KiB
Python

"""Test convenience variables when you drop in from lldb prompt into an embedded interpreter."""
import os
import unittest2
import lldb
import pexpect
from lldbtest import *
class ConvenienceVariablesCase(TestBase):
mydir = os.path.join("functionalities", "embedded_interpreter")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_with_dsym_and_run_command(self):
"""Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame."""
self.buildDsym()
self.convenience_variables()
@dwarf_test
def test_with_dwarf_and_run_commands(self):
"""Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame."""
self.buildDwarf()
self.convenience_variables()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break on inside main.cpp.
self.line = line_number('main.c', 'Hello world.')
def convenience_variables(self):
"""Test convenience variables lldb.debugger, lldb.target, lldb.process, lldb.thread, and lldb.frame."""
exe = os.path.join(os.getcwd(), "a.out")
prompt = "(lldb) "
python_prompt = ">>> "
# So that the child gets torn down after the test.
self.child = pexpect.spawn('%s %s %s' % (self.lldbHere, self.lldbOption, exe))
child = self.child
# Turn on logging for what the child sends back.
if self.TraceOn():
child.logfile_read = sys.stdout
# Set the breakpoint, run the inferior, when it breaks, issue print on
# the various convenience variables.
child.expect_exact(prompt)
child.sendline('breakpoint set -f main.c -l %d' % self.line)
child.expect_exact(prompt)
child.sendline('run')
child.expect_exact(prompt)
child.sendline('script')
child.expect_exact(python_prompt)
# Set a flag so that we know during teardown time, we need to exit the
# Python interpreter, then the lldb interpreter.
self.child_in_script_interpreter = True
child.sendline('print lldb.debugger')
child.expect_exact(python_prompt)
self.expect(child.before, exe=False,
patterns = ['Debugger \(instance: .*, id: \d\)'])
child.sendline('print lldb.target')
child.expect_exact(python_prompt)
self.expect(child.before, exe=False,
substrs = ['a.out'])
child.sendline('print lldb.process')
child.expect_exact(python_prompt)
self.expect(child.before, exe=False,
patterns = ['SBProcess: pid = \d+, state = stopped, threads = \d, executable = a.out'])
child.sendline('print lldb.thread')
child.expect_exact(python_prompt)
self.expect(child.before, exe=False,
patterns = ['SBThread: tid = 0x[0-9a-f]+'])
child.sendline('print lldb.frame')
child.expect_exact(python_prompt)
self.expect(child.before, exe=False,
substrs = ['frame #0', 'main.c:%d' % self.line])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()