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" Tests for expressions using utf-8.
func Test_strgetchar()
call assert_equal(char2nr('á'), strgetchar('áxb', 0))
call assert_equal(char2nr('x'), strgetchar('áxb', 1))
call assert_equal(char2nr('a'), strgetchar('àxb', 0))
call assert_equal(char2nr('̀'), strgetchar('àxb', 1))
call assert_equal(char2nr('x'), strgetchar('àxb', 2))
call assert_equal(char2nr('あ'), strgetchar('あaい', 0))
call assert_equal(char2nr('a'), strgetchar('あaい', 1))
call assert_equal(char2nr('い'), strgetchar('あaい', 2))
endfunc
func Test_strcharpart()
call assert_equal('áxb', strcharpart('áxb', 0))
call assert_equal('á', strcharpart('áxb', 0, 1))
call assert_equal('x', strcharpart('áxb', 1, 1))
call assert_equal('いうeお', strcharpart('あいうeお', 1))
call assert_equal('い', strcharpart('あいうeお', 1, 1))
call assert_equal('いう', strcharpart('あいうeお', 1, 2))
call assert_equal('いうe', strcharpart('あいうeお', 1, 3))
call assert_equal('いうeお', strcharpart('あいうeお', 1, 4))
call assert_equal('eお', strcharpart('あいうeお', 3))
call assert_equal('e', strcharpart('あいうeお', 3, 1))
call assert_equal('あ', strcharpart('あいうeお', -3, 4))
call assert_equal('a', strcharpart('àxb', 0, 1))
call assert_equal('̀', strcharpart('àxb', 1, 1))
call assert_equal('x', strcharpart('àxb', 2, 1))
endfunc
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