mirror of
https://github.com/python/cpython.git
synced 2025-07-16 15:55:18 +00:00
d55133f49f
An E_EOF error was only being caught after the parser exited before this commit. There are some cases though, where the tokenizer returns ERRORTOKEN *and* has set an E_EOF error (like when EOF directly follows a line continuation character) which weren't correctly handled before.
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
"""test script for a few new invalid token catches"""
|
|
|
|
import sys
|
|
from test import support
|
|
from test.support import script_helper
|
|
import unittest
|
|
|
|
class EOFTestCase(unittest.TestCase):
|
|
def test_EOFC(self):
|
|
expect = "EOL while scanning string literal (<string>, line 1)"
|
|
try:
|
|
eval("""'this is a test\
|
|
""")
|
|
except SyntaxError as msg:
|
|
self.assertEqual(str(msg), expect)
|
|
else:
|
|
raise support.TestFailed
|
|
|
|
def test_EOFS(self):
|
|
expect = ("EOF while scanning triple-quoted string literal "
|
|
"(<string>, line 1)")
|
|
try:
|
|
eval("""'''this is a test""")
|
|
except SyntaxError as msg:
|
|
self.assertEqual(str(msg), expect)
|
|
else:
|
|
raise support.TestFailed
|
|
|
|
def test_line_continuation_EOF(self):
|
|
"""A continuation at the end of input must be an error; bpo2180."""
|
|
expect = 'unexpected EOF while parsing (<string>, line 1)'
|
|
with self.assertRaises(SyntaxError) as excinfo:
|
|
exec('x = 5\\')
|
|
self.assertEqual(str(excinfo.exception), expect)
|
|
with self.assertRaises(SyntaxError) as excinfo:
|
|
exec('\\')
|
|
self.assertEqual(str(excinfo.exception), expect)
|
|
|
|
@unittest.skipIf(not sys.executable, "sys.executable required")
|
|
def test_line_continuation_EOF_from_file_bpo2180(self):
|
|
"""Ensure tok_nextc() does not add too many ending newlines."""
|
|
with support.temp_dir() as temp_dir:
|
|
file_name = script_helper.make_script(temp_dir, 'foo', '\\')
|
|
rc, out, err = script_helper.assert_python_failure(file_name)
|
|
self.assertIn(b'unexpected EOF while parsing', err)
|
|
|
|
file_name = script_helper.make_script(temp_dir, 'foo', 'y = 6\\')
|
|
rc, out, err = script_helper.assert_python_failure(file_name)
|
|
self.assertIn(b'unexpected EOF while parsing', err)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|