tests/base_redef.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 import core::kernel
  16
  17 class A
  18         fun f do 1.output
  19         fun f2: Int do return 2
  20         fun f2=(i:Int) do i.output
  21         fun f3=(i:Int) do i.output
  22         var v = 4
  23         type T: A
  24         fun t(t: T): T do return t
  25 end
  26
  27 class B
  28         super A#alt1#
  29         redef fun f do 10.output
  30         redef var f2 = 20
  31         var f3 = 30 is redef writable
  32         redef var v = 40
  33         redef type T: B
  34 end
  35
  36 class C
  37         super B#alt2#
  38         redef fun f do 100.output
  39         redef var f2 = 200
  40         redef var f3 = 300
  41         redef var v = 400
  42         redef type T: C
  43
  44 end
  45
  46 var a = new A
  47 a.f
  48 a.f2 = -2
  49 a.f2.output
  50 a.f3 = -3
  51 a.t(a).f
  52
  53 a = new B
  54 a.f
  55 a.f2 = -2
  56 a.f2.output
  57 a.f3 = -3
  58 a.t(a).f
  59
  60 a = new C
  61 a.f
  62 a.f2 = -2
  63 a.f2.output
  64 a.f3 = -3
  65 a.t(a).f