def AppendOverflowTestHelper(self, append_fn, value):
"""Calls an OutputStream.Append*(value) method and asserts
that the method raises message.EncodeError.
Args:
append_fn: Unbound OutputStream method that takes an integer or
long value as input.
value: Value to pass to append_fn which should cause an
message.EncodeError.
"""
stream = output_stream.OutputStream()
self.assertRaises(message.EncodeError, append_fn, stream, value)
def AppendNumericTestHelper(self, append_fn, values_and_strings):
"""For each (value, expected_string) pair in values_and_strings,
calls an OutputStream.Append*(value) method on an OutputStream and ensures
that the string written to that stream matches expected_string.
Args:
append_fn: Unbound OutputStream method that takes an integer or
long value as input.
values_and_strings: Iterable of (value, expected_string) pairs.
"""
for conversion in (int, long):
for value, string in values_and_strings:
stream = output_stream.OutputStream()
expected_string = ''
append_fn(stream, conversion(value))
expected_string += string
self.assertEqual(expected_string, stream.ToString())
def __init__(self):
self._stream = output_stream.OutputStream()
def setUp(self):
self.stream = output_stream.OutputStream()
