AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python...

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Lib / test / test_unpack.py

doctests = """\r
\r
Unpack tuple\r
\r
    >>> t = (1, 2, 3)\r
    >>> a, b, c = t\r
    >>> a == 1 and b == 2 and c == 3\r
    True\r
\r
Unpack list\r
\r
    >>> l = [4, 5, 6]\r
    >>> a, b, c = l\r
    >>> a == 4 and b == 5 and c == 6\r
    True\r
\r
Unpack implied tuple\r
\r
    >>> a, b, c = 7, 8, 9\r
    >>> a == 7 and b == 8 and c == 9\r
    True\r
\r
Unpack string... fun!\r
\r
    >>> a, b, c = 'one'\r
    >>> a == 'o' and b == 'n' and c == 'e'\r
    True\r
\r
Unpack generic sequence\r
\r
    >>> class Seq:\r
    ...     def __getitem__(self, i):\r
    ...         if i >= 0 and i < 3: return i\r
    ...         raise IndexError\r
    ...\r
    >>> a, b, c = Seq()\r
    >>> a == 0 and b == 1 and c == 2\r
    True\r
\r
Single element unpacking, with extra syntax\r
\r
    >>> st = (99,)\r
    >>> sl = [100]\r
    >>> a, = st\r
    >>> a\r
    99\r
    >>> b, = sl\r
    >>> b\r
    100\r
\r
Now for some failures\r
\r
Unpacking non-sequence\r
\r
    >>> a, b, c = 7\r
    Traceback (most recent call last):\r
      ...\r
    TypeError: 'int' object is not iterable\r
\r
Unpacking tuple of wrong size\r
\r
    >>> a, b = t\r
    Traceback (most recent call last):\r
      ...\r
    ValueError: too many values to unpack\r
\r
Unpacking tuple of wrong size\r
\r
    >>> a, b = l\r
    Traceback (most recent call last):\r
      ...\r
    ValueError: too many values to unpack\r
\r
Unpacking sequence too short\r
\r
    >>> a, b, c, d = Seq()\r
    Traceback (most recent call last):\r
      ...\r
    ValueError: need more than 3 values to unpack\r
\r
Unpacking sequence too long\r
\r
    >>> a, b = Seq()\r
    Traceback (most recent call last):\r
      ...\r
    ValueError: too many values to unpack\r
\r
Unpacking a sequence where the test for too long raises a different kind of\r
error\r
\r
    >>> class BozoError(Exception):\r
    ...     pass\r
    ...\r
    >>> class BadSeq:\r
    ...     def __getitem__(self, i):\r
    ...         if i >= 0 and i < 3:\r
    ...             return i\r
    ...         elif i == 3:\r
    ...             raise BozoError\r
    ...         else:\r
    ...             raise IndexError\r
    ...\r
\r
Trigger code while not expecting an IndexError (unpack sequence too long, wrong\r
error)\r
\r
    >>> a, b, c, d, e = BadSeq()\r
    Traceback (most recent call last):\r
      ...\r
    BozoError\r
\r
Trigger code while expecting an IndexError (unpack sequence too short, wrong\r
error)\r
\r
    >>> a, b, c = BadSeq()\r
    Traceback (most recent call last):\r
      ...\r
    BozoError\r
\r
"""\r
\r
__test__ = {'doctests' : doctests}\r
\r
def test_main(verbose=False):\r
    from test import test_support\r
    from test import test_unpack\r
    test_support.run_doctest(test_unpack, verbose)\r
\r
if __name__ == "__main__":\r
    test_main(verbose=True)\r