tests/test_hash_debug.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 hash_debug
  16
  17 class A
  18         redef fun hash do return 0
  19 end
  20
  21 sys.show_hash_stats
  22 var s = new HashSet[A]
  23 sys.show_hash_stats
  24
  25 print "\na1"
  26 var a1 = new A
  27 print s.has(a1)
  28 sys.show_hash_stats
  29 s.add(a1)
  30 sys.show_hash_stats
  31 s.add(a1)
  32 sys.show_hash_stats
  33 print s.has(a1)
  34 sys.show_hash_stats
  35
  36 print "\na2"
  37 var a2 = new A
  38 print s.has(a2)
  39 sys.show_hash_stats
  40 s.add(a2)
  41 sys.show_hash_stats
  42 s.add(a2)
  43 sys.show_hash_stats
  44 print s.has(a2)
  45 sys.show_hash_stats
  46
  47 print "\nend"