tests/base_adaptive.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2006-2008 Jean Privat <jean@pryen.org>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 import kernel
  18
  19 class A
  20 end
  21
  22 class B
  23         super A
  24         fun bar do 1.output
  25 end
  26
  27
  28 fun test(a: A)
  29 do
  30         var bool = a isa B
  31         0.output
  32         #alt1#a.bar
  33         if bool then # not data flow
  34                 #alt2#a.bar
  35         end
  36         if a isa B then
  37                 a.bar
  38         else
  39                 #alt3#a.bar
  40         end
  41 end
  42
  43 test(new A)
  44 test(new B)