tests/base_inheritance.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 end
  16
  17 interface Object
  18 end
  19
  20 enum Int
  21         fun output is intern
  22 end
  23
  24 class A
  25         fun foo do 1.output
  26 end
  27
  28 class B
  29         super A
  30 end
  31
  32 class C
  33         super B
  34         redef fun foo do 2.output
  35 end
  36
  37 class D
  38         super C
  39 end
  40
  41 class D2
  42         super C
  43         redef fun foo do 3.output
  44 end
  45
  46 class E
  47         super D
  48         super D2
  49 end
  50
  51 fun test(a: A)
  52 do
  53         a.foo
  54 end
  55
  56 test(new A)
  57 test(new B)
  58 test(new C)
  59 test(new D)
  60 test(new D2)
  61 test(new E)