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('a'), strgetchar('axb', 0))
10  call assert_equal(char2nr('x'), strgetchar('axb', 1))
11  call assert_equal(char2nr('b'), strgetchar('axb', 2))
12
13  call assert_equal(-1, strgetchar('axb', -1))
14  call assert_equal(-1, strgetchar('axb', 3))
15  call assert_equal(-1, strgetchar('', 0))
16endfunc
17
18func Test_strcharpart()
19  call assert_equal('áxb', strcharpart('áxb', 0))
20  call assert_equal('á', strcharpart('áxb', 0, 1))
21  call assert_equal('x', strcharpart('áxb', 1, 1))
22
23  call assert_equal('a', strcharpart('àxb', 0, 1))
24  call assert_equal('̀', strcharpart('àxb', 1, 1))
25  call assert_equal('x', strcharpart('àxb', 2, 1))
26endfunc
27