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"""
Test some lldb help commands.
See also CommandInterpreter::OutputFormattedHelpText().
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class HelpCommandTestCase(TestBase):
mydir = "help"
def test_simplehelp(self):
"""A simple test of 'help' command and its output."""
self.expect("help",
startstr = 'The following is a list of built-in, permanent debugger commands')
def version_number_string(self):
"""Helper function to find the version number string of lldb."""
plist = os.path.join(os.environ["LLDB_SRC"], "resources", "LLDB-Info.plist")
try:
CFBundleVersionSegFound = False
with open(plist, 'r') as f:
for line in f:
if CFBundleVersionSegFound:
version_line = line.strip()
import re
m = re.match("<string>(.*)</string>", version_line)
if m:
version = m.group(1)
return version
else:
# Unsuccessful, let's juts break out of the for loop.
break
if line.find("<key>CFBundleVersion</key>") != -1:
# Found our match. The next line contains our version
# string, for example:
#
# <string>38</string>
CFBundleVersionSegFound = True
except:
# Just fallthrough...
import traceback
traceback.print_exc()
pass
# Use None to signify that we are not able to grok the version number.
return None
def test_help_version(self):
"""Test 'help version' and 'version' commands."""
self.expect("help version",
substrs = ['Show version of LLDB debugger.'])
version_str = self.version_number_string()
self.expect("version",
patterns = ['LLDB-' + (version_str if version_str else '[0-9]+')])
def test_help_should_not_hang_emacsshell(self):
"""Command 'settings set term-width 0' should not hang the help command."""
self.runCmd("settings set term-width 0")
self.expect("help",
startstr = 'The following is a list of built-in, permanent debugger commands')
def test_help_image_dump_symtab_should_not_crash(self):
"""Command 'help image dump symtab' should not crash lldb."""
# 'image' is an alias for 'target modules'.
self.expect("help image dump symtab",
substrs = ['dump symtab',
'sort-order'])
def test_help_image_du_sym_is_ambiguous(self):
"""Command 'help image du sym' is ambiguous and spits out the list of candidates."""
self.expect("help image du sym",
COMMAND_FAILED_AS_EXPECTED, error=True,
substrs = ['error: ambiguous command image du sym',
'symfile',
'symtab'])
def test_help_image_du_line_should_work(self):
"""Command 'help image du line' is not ambiguous and should work."""
# 'image' is an alias for 'target modules'.
self.expect("help image du line",
substrs = ['Dump the debug symbol file for one or more target modules'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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