"""
Test the lldb command line takes a filename with single quote chars.
"""

from __future__ import print_function



import os
import lldb
from lldbsuite.test.lldbtest import *

class SingleQuoteInCommandLineTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)
    myexe = "path with '09/a.out"

    @classmethod
    def classCleanup(cls):
        """Cleanup the test byproducts."""
        try:
            os.remove("child_send.txt")
            os.remove("child_read.txt")
            os.remove(cls.myexe)
        except:
            pass

    @expectedFailureHostWindows("llvm.org/pr22274: need a pexpect replacement for windows")
    @no_debug_info_test
    def test_lldb_invocation_with_single_quote_in_filename(self):
        """Test that 'lldb my_file_name' works where my_file_name is a string with a single quote char in it."""
        import pexpect
        self.buildDefault()
        system([["cp", "a.out", "\"%s\"" % self.myexe]])

        # The default lldb prompt.
        prompt = "(lldb) "

        # So that the child gets torn down after the test.
        self.child = pexpect.spawn('%s %s "%s"' % (lldbtest_config.lldbExec, self.lldbOption, self.myexe))
        child = self.child
        child.setecho(True)
        # Turn on logging for input/output to/from the child.
        with open('child_send.txt', 'w') as f_send:
            with open('child_read.txt', 'w') as f_read:
                child.logfile_send = f_send
                child.logfile_read = f_read

                child.expect_exact(prompt)

                child.send("help watchpoint")
                child.sendline('')
                child.expect_exact(prompt)

        # Now that the necessary logging is done, restore logfile to None to
        # stop further logging.
        child.logfile_send = None
        child.logfile_read = None
        
        with open('child_send.txt', 'r') as fs:
            if self.TraceOn():
                print("\n\nContents of child_send.txt:")
                print(fs.read())
        with open('child_read.txt', 'r') as fr:
            from_child = fr.read()
            if self.TraceOn():
                print("\n\nContents of child_read.txt:")
                print(from_child)

            self.expect(from_child, exe=False,
                substrs = ["Current executable set to"])