extension/test/test-utils.coffee

   1 ###
   2 # Copyright Simon Lydell 2014, 2016.
   3 #
   4 # This file is part of VimFx.
   5 #
   6 # VimFx is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # VimFx is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with VimFx.  If not, see <http://www.gnu.org/licenses/>.
  18 ###
  19
  20 utils = require('../lib/utils')
  21
  22 exports['test bisect'] = (assert) ->
  23   fn = (num) -> num > 7
  24
  25   # Non-sensical input.
  26   assert.deepEqual(utils.bisect(5, 2, fn), [null, null])
  27   assert.deepEqual(utils.bisect(7.5, 8, fn), [null, null])
  28   assert.deepEqual(utils.bisect(7, 8.5, fn), [null, null])
  29   assert.deepEqual(utils.bisect(7.5, 8.5, fn), [null, null])
  30
  31   # Unfindable bounds.
  32   assert.deepEqual(utils.bisect(8, 8, fn), [null, 8])
  33   assert.deepEqual(utils.bisect(7, 7, fn), [7, null])
  34   assert.deepEqual(utils.bisect(6, 7, fn), [7, null])
  35   assert.deepEqual(utils.bisect(7, 8, fn), [7, 8])
  36   assert.deepEqual(utils.bisect(1, 2, (n) -> n == 1), [null, null])
  37   assert.deepEqual(utils.bisect(0, 0, fn), [0, null])
  38
  39   # Less than.
  40   assert.deepEqual(utils.bisect(0, 7, fn), [7, null])
  41   assert.deepEqual(utils.bisect(0, 8, fn), [7, 8])
  42   assert.deepEqual(utils.bisect(1, 8, fn), [7, 8])
  43   assert.deepEqual(utils.bisect(2, 8, fn), [7, 8])
  44   assert.deepEqual(utils.bisect(3, 8, fn), [7, 8])
  45   assert.deepEqual(utils.bisect(4, 8, fn), [7, 8])
  46   assert.deepEqual(utils.bisect(5, 8, fn), [7, 8])
  47   assert.deepEqual(utils.bisect(6, 8, fn), [7, 8])
  48
  49   # Greater than.
  50   assert.deepEqual(utils.bisect(7, 9, fn), [7, 8])
  51   assert.deepEqual(utils.bisect(7, 10, fn), [7, 8])
  52   assert.deepEqual(utils.bisect(7, 11, fn), [7, 8])
  53   assert.deepEqual(utils.bisect(7, 12, fn), [7, 8])
  54   assert.deepEqual(utils.bisect(7, 13, fn), [7, 8])
  55   assert.deepEqual(utils.bisect(7, 14, fn), [7, 8])
  56   assert.deepEqual(utils.bisect(7, 15, fn), [7, 8])
  57   assert.deepEqual(utils.bisect(7, 16, fn), [7, 8])
  58
  59   # Various cases.
  60   assert.deepEqual(utils.bisect(0, 9, fn), [7, 8])
  61   assert.deepEqual(utils.bisect(5, 9, fn), [7, 8])
  62   assert.deepEqual(utils.bisect(6, 10, fn), [7, 8])
  63   assert.deepEqual(utils.bisect(0, 12345, fn), [7, 8])
  64
  65 exports['test removeDuplicates'] = (assert) ->
  66   assert.deepEqual(utils.removeDuplicates(
  67     [1, 1, 2, 1, 3, 2]),
  68     [1, 2, 3]
  69   )
  70   assert.deepEqual(utils.removeDuplicates(
  71     ['a', 'b', 'c', 'b', 'd', 'a']),
  72     ['a', 'b', 'c', 'd']
  73   )