1" Tests for expressions using utf-8.
2if !has('multi_byte')
3  finish
4endif
5set encoding=utf-8
6scriptencoding utf-8
7
8func Test_strgetchar()
9  call assert_equal(char2nr('á'), strgetchar('áxb', 0))
10  call assert_equal(char2nr('x'), strgetchar('áxb', 1))
11
12  call assert_equal(char2nr('a'), strgetchar('àxb', 0))
13  call assert_equal(char2nr('̀'), strgetchar('àxb', 1))
14  call assert_equal(char2nr('x'), strgetchar('àxb', 2))
15
16  call assert_equal(char2nr('あ'), strgetchar('あaい', 0))
17  call assert_equal(char2nr('a'), strgetchar('あaい', 1))
18  call assert_equal(char2nr('い'), strgetchar('あaい', 2))
19endfunc
20
21func Test_strcharpart()
22  call assert_equal('áxb', strcharpart('áxb', 0))
23  call assert_equal('á', strcharpart('áxb', 0, 1))
24  call assert_equal('x', strcharpart('áxb', 1, 1))
25
26  call assert_equal('いうeお', strcharpart('あいうeお', 1))
27  call assert_equal('い', strcharpart('あいうeお', 1, 1))
28  call assert_equal('いう', strcharpart('あいうeお', 1, 2))
29  call assert_equal('いうe', strcharpart('あいうeお', 1, 3))
30  call assert_equal('いうeお', strcharpart('あいうeお', 1, 4))
31  call assert_equal('eお', strcharpart('あいうeお', 3))
32  call assert_equal('e', strcharpart('あいうeお', 3, 1))
33
34  call assert_equal('あ', strcharpart('あいうeお', -3, 4))
35
36  call assert_equal('a', strcharpart('àxb', 0, 1))
37  call assert_equal('̀', strcharpart('àxb', 1, 1))
38  call assert_equal('x', strcharpart('àxb', 2, 1))
39endfunc
40