tests/test_ropes_buffer_add_overflow.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Checks that `RopeBuffer.add` does not makes the internal buffer overflow.
  16 #
  17 # Note: In order to help repoducibility, this test read an private attribute of
  18 # the buffer.
  19 module test_ropes_buffer_add_overflow
  20
  21 import standard
  22 intrude import ropes
  23
  24 var buffer = new RopeBuffer
  25
  26 buffer.append("x" * maxlen)
  27 buffer.add 'y'
  28 assert buffer.rpos <= maxlen else print "{buffer.rpos} > {maxlen}"