tests/base_isa1.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2012 Alexandre Terrasa <alexandre@moz-code.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 base_minimal
  18
  19 class A
  20 end
  21
  22 class B
  23         super A
  24 end
  25
  26 class C
  27         super A
  28 end
  29
  30 class D
  31         super B
  32         super C
  33 end
  34
  35 class E
  36         super D
  37 end
  38
  39 class F
  40         super D
  41 end
  42
  43 class G
  44         super F
  45 end
  46
  47
  48 var a = new A
  49 var b = new B
  50 var c = new C
  51 var d = new D
  52 var e = new E
  53 var f = new F
  54 var g = new G
  55
  56 assert (g isa A) # true
  57 assert not (a isa G) # false
  58 assert (d isa B) # true
  59
  60 true.output