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