1 # This file is part of NIT ( http://www.nitlanguage.org ).
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
16 #alt2 import buffered_ropes
18 var str
= "Woe to you, oh earth and sea for the Devil sends the beast with wrath because he knows the time is short. Let him who hath understanding reckon the number of the beast, for it is a human number, its number is Six Hundred and Sixty-Six."
27 trimable
= spaces
+ str
+ spaces
30 #alt1 txt = new FlatBuffer.from(str)
31 #alt1 trimable = new FlatBuffer.from(spaces)
32 #alt1 trimable.append(str)
33 #alt1 trimable.append(spaces)
34 #alt1 num = new FlatBuffer.from(numstr)
36 #alt3 txt = new RopeBuffer.from(str)
37 #alt3 trimable = new RopeBuffer.from(spaces)
38 #alt3 trimable.append(str)
39 #alt3 trimable.append(spaces)
40 #alt3 num = new RopeBuffer.from(numstr)
42 # Test Text methods on all types of receivers
44 print txt
.substring
(0, 105)
45 print txt
.substring_from
(106)
47 assert not txt
.is_empty
48 print txt
.index_of
('h')
49 print txt
.index_of_from
('h', 105)
50 print txt
.index_of
('Z')
51 print txt
.last_index_of
('L')
52 print txt
.last_index_of_from
('D', 105)
53 print txt
.has_substring
("Woe", 0)
54 print txt
.has_substring
("Let", 106)
55 assert trimable
!= txt
56 assert trimable
.trim
== txt
58 assert txt
.has_prefix
("Woe")
59 assert txt
.has_suffix
("Six.")
60 assert txt
.hash
== trimable
.trim
.hash
62 # Test Text.chars (SequenceRead[Char]) methods on all receivers
66 assert chars
!= txt
.substring_from
(106).chars
67 assert chars
[0] == 'W'
68 assert chars
.count
('o') == 11
69 assert chars
.first
== chars
[0]
71 assert spaces
.chars
.has_only
(' ')
72 assert chars
.index_of
('D') == 37
73 assert not chars
.is_empty
81 assert count
== txt
.length
82 var iter_from
= txt
.substring_from
(105).chars
.iterator
83 var txt_iter_from
= chars
.iterator_from
(105)
84 while iter_from
.is_ok
do
85 assert iter_from
.item
== txt_iter_from
.item
89 assert not iter_from
.is_ok
and not txt_iter_from
.is_ok
90 var txt_reviter
= chars
.reverse_iterator_from
(104)
91 var sub_reviter
= txt
.substring
(0,105).chars
.reverse_iterator
92 while txt_reviter
.is_ok
do
93 assert txt_reviter
.item
== sub_reviter
.item