forked from OSchip/llvm-project
115 lines
3.7 KiB
Python
115 lines
3.7 KiB
Python
"""
|
|
Test that 'stty -a' displays the same output before and after running the lldb command.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
import lldb
|
|
import six
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class TestSTTYBeforeAndAfter(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
@classmethod
|
|
def classCleanup(cls):
|
|
"""Cleanup the test byproducts."""
|
|
cls.RemoveTempFile("child_send1.txt")
|
|
cls.RemoveTempFile("child_read1.txt")
|
|
cls.RemoveTempFile("child_send2.txt")
|
|
cls.RemoveTempFile("child_read2.txt")
|
|
|
|
@expectedFailureAll(
|
|
hostoslist=["windows"],
|
|
bugnumber="llvm.org/pr22274: need a pexpect replacement for windows")
|
|
@no_debug_info_test
|
|
def test_stty_dash_a_before_and_afetr_invoking_lldb_command(self):
|
|
"""Test that 'stty -a' displays the same output before and after running the lldb command."""
|
|
import pexpect
|
|
if not which('expect'):
|
|
self.skipTest(
|
|
"The 'expect' program cannot be located, skip the test")
|
|
|
|
# The expect prompt.
|
|
expect_prompt = "expect[0-9.]+> "
|
|
# The default lldb prompt.
|
|
lldb_prompt = "(lldb) "
|
|
|
|
# So that the child gets torn down after the test.
|
|
import sys
|
|
if sys.version_info.major == 3:
|
|
self.child = pexpect.spawnu('expect')
|
|
else:
|
|
self.child = pexpect.spawn('expect')
|
|
child = self.child
|
|
|
|
child.expect(expect_prompt)
|
|
child.setecho(True)
|
|
if self.TraceOn():
|
|
child.logfile = sys.stdout
|
|
|
|
if self.platformIsDarwin():
|
|
child.sendline('set env(TERM) xterm')
|
|
else:
|
|
child.sendline('set env(TERM) vt100')
|
|
child.expect(expect_prompt)
|
|
child.sendline('puts $env(TERM)')
|
|
child.expect(expect_prompt)
|
|
|
|
# Turn on loggings for input/output to/from the child.
|
|
child.logfile_send = child_send1 = six.StringIO()
|
|
child.logfile_read = child_read1 = six.StringIO()
|
|
child.sendline('stty -a')
|
|
child.expect(expect_prompt)
|
|
|
|
# Now that the stage1 logging is done, restore logfile to None to
|
|
# stop further logging.
|
|
child.logfile_send = None
|
|
child.logfile_read = None
|
|
|
|
# Invoke the lldb command.
|
|
child.sendline(lldbtest_config.lldbExec)
|
|
child.expect_exact(lldb_prompt)
|
|
|
|
# Immediately quit.
|
|
child.sendline('quit')
|
|
child.expect(expect_prompt)
|
|
|
|
child.logfile_send = child_send2 = six.StringIO()
|
|
child.logfile_read = child_read2 = six.StringIO()
|
|
child.sendline('stty -a')
|
|
child.expect(expect_prompt)
|
|
|
|
child.sendline('exit')
|
|
|
|
# Now that the stage2 logging is done, restore logfile to None to
|
|
# stop further logging.
|
|
child.logfile_send = None
|
|
child.logfile_read = None
|
|
|
|
if self.TraceOn():
|
|
print("\n\nContents of child_send1:")
|
|
print(child_send1.getvalue())
|
|
print("\n\nContents of child_read1:")
|
|
print(child_read1.getvalue())
|
|
print("\n\nContents of child_send2:")
|
|
print(child_send2.getvalue())
|
|
print("\n\nContents of child_read2:")
|
|
print(child_read2.getvalue())
|
|
|
|
stty_output1_lines = child_read1.getvalue().splitlines()
|
|
stty_output2_lines = child_read2.getvalue().splitlines()
|
|
zipped = list(zip(stty_output1_lines, stty_output2_lines))
|
|
for tuple in zipped:
|
|
if self.TraceOn():
|
|
print("tuple->%s" % str(tuple))
|
|
# Every line should compare equal until the first blank line.
|
|
if len(tuple[0]) == 0:
|
|
break
|
|
self.assertTrue(tuple[0] == tuple[1])
|