tests/base_iterator3.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 class Test1
  16         fun iterator: nullable Iterator[String] do return null
  17 end
  18
  19 class Test2
  20         fun iterator do end
  21 end
  22
  23 class Test3
  24 end
  25
  26 class Test4
  27         fun iterator: TestIterator do return new TestIterator
  28 end
  29
  30 class TestIterator
  31 end
  32
  33 # wrong return type
  34 var test1 = new Test1
  35 for v in test1 do print v
  36
  37 # wrong return type
  38 var test2 = new Test2
  39 for v in test2 do print v
  40
  41 # no method iterator
  42 var test3 = new Test3
  43 for v in test3 do print v
  44
  45 # wrong numbe of variables
  46 for k, v in new Array[String] do print "{k}:{v}"
  47 for v in new HashMap[String, String] do print v