import sys
import os
import subprocess
import unittest

class Tester(unittest.TestCase):
	def test_issue7750(self):
		if not os.path.sep == '\\': return
		# if the filename has something that resolves to a python
		#  escape character (such as \t), it will fail
		test_fn = '.\\test7750.py' 
		with open(test_fn, 'w') as f:
			f.write('print("hello world")')
		cmd = [
			sys.executable,
			'-m',
			'pdb',
			test_fn,
			]
		proc = subprocess.Popen(cmd,
			stdout=subprocess.PIPE,
			stdin=subprocess.PIPE,
			stderr=subprocess.STDOUT,
			)
		stdout, stderr = proc.communicate('q\n')
		self.failIf('IOError' in stdout, "pdb munged the filename")
		os.remove(test_fn)

if __name__ == '__main__':
	unittest.main()