1""" 2Test lldb 'commands regex' command which allows the user to create a regular expression command. 3""" 4 5import os 6import unittest2 7import lldb 8import pexpect 9from lldbtest import * 10 11class CommandRegexTestCase(TestBase): 12 13 mydir = os.path.join("functionalities", "command_regex") 14 15 def test_command_regex(self): 16 """Test a simple scenario of 'command regexp' invocation and subsequent use.""" 17 prompt = "(lldb) " 18 regex_prompt = "Enter regular expressions in the form 's/<regex>/<subst>/' and terminate with an empty line:\r\n" 19 regex_prompt1 = "\r\n" 20 21 child = pexpect.spawn('%s %s' % (self.lldbHere, self.lldbOption)) 22 # Turn on logging for what the child sends back. 23 if self.TraceOn(): 24 child.logfile_read = sys.stdout 25 # So that the spawned lldb session gets shutdown durng teardown. 26 self.child = child 27 28 # Substitute 'Help!' for 'help' using the 'commands regex' mechanism. 29 child.expect_exact(prompt) 30 child.sendline("command regex 'Help__'") 31 child.expect_exact(regex_prompt) 32 child.sendline('s/^$/help/') 33 child.expect_exact(regex_prompt1) 34 child.sendline('') 35 # Help! 36 child.sendline('Help__') 37 # If we see the familiar 'help' output, the test is done. 38 child.expect('The following is a list of built-in, permanent debugger commands:') 39 40if __name__ == '__main__': 41 import atexit 42 lldb.SBDebugger.Initialize() 43 atexit.register(lambda: lldb.SBDebugger.Terminate()) 44 unittest2.main() 45