tests/test_eq.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2004-2008 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 var i = 1
  18 var j = 1
  19 var k = 2
  20 var s = "Maison"
  21 var t = "Maison"
  22 var a: Object
  23 var b: Object
  24
  25 print("* literal int")
  26 print(1 is 1)
  27 print(1 is 1)
  28 print(not 1 is 2)
  29 print(not 1 is 2)
  30 print("* int variable")
  31 print(i is j)
  32 print(j is i)
  33 print(not i is k)
  34 print(i is 1)
  35 print(not i is 2)
  36
  37 print("* same type object")
  38 print(s is s)
  39 a = s
  40 print(s is a)
  41 a = s
  42 print(not s is t)
  43 b = t
  44 print(not s is b)
  45 print(not s is b)
  46
  47 print("* different type object")
  48 a = s.iterator
  49 print(not s is a)
  50 a = 5
  51 print(not s is a)
  52 print(not s is 5)
  53
  54 print("* boxed native")
  55 a = i
  56 b = i
  57 print(i is a)
  58 print(b is i)
  59 print(b is a)
  60 a = 5
  61 b = 5.ascii
  62 print(not 5 is 5.ascii)
  63 print(not a is 5.ascii)
  64 print(not 5 is b)
  65 print(not a is b)
  66
  67 print("* null")
  68 var a1: nullable Object = null
  69 var b1: nullable Object = null
  70 print(not null is s)
  71 print(not s is null)
  72 print(not a1 is s)
  73 print(not s is a1)
  74 print(null is null)
  75 print(b1 is null)
  76 print(b1 is a1)
  77 print(not i is null)
  78 print(not i is a1)
  79 print(not null is i)
  80 print(not a1 is i)