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package readline
import (
"reflect"
"testing"
)
type twidth struct {
r []rune
length int
}
func TestSingleRuneWidth(t *testing.T) {
type test struct {
r rune
w int
}
tests := []test{
{0, 0}, // default rune is 0 - default mask
{'a', 1},
{'☭', 1},
{'你', 2},
{'日', 2}, // kanji
{'ｶ', 1}, // half-width katakana
{'カ', 2}, // full-width katakana
{'ひ', 2}, // full-width hiragana
{'Ｗ', 2}, // full-width romanji
{'）', 2}, // full-width symbols
{'😅', 2}, // emoji
}
for _, test := range tests {
if w := runes.Width(test.r); w != test.w {
t.Error("result is not expected", string(test.r), test.w, w)
}
}
}
func TestRuneWidth(t *testing.T) {
rs := []twidth{
{[]rune(""), 0},
{[]rune("☭"), 1},
{[]rune("a"), 1},
{[]rune("你"), 2},
{runes.ColorFilter([]rune("☭\033[13;1m你")), 3},
{[]rune("漢字"), 4}, // kanji
{[]rune("ｶﾀｶﾅ"), 4}, // half-width katakana
{[]rune("カタカナ"), 8}, // full-width katakana
{[]rune("ひらがな"), 8}, // full-width hiragana
{[]rune("ＷＩＤＥ"), 8}, // full-width romanji
{[]rune("ー。"), 4}, // full-width symbols
{[]rune("안녕하세요"), 10}, // full-width Hangul
{[]rune("😅"), 2}, // emoji
}
for _, r := range rs {
if w := runes.WidthAll(r.r); w != r.length {
t.Error("result is not expected", string(r.r), r.length, w)
}
}
}
type tagg struct {
r [][]rune
e [][]rune
length int
}
func TestAggRunes(t *testing.T) {
rs := []tagg{
{
[][]rune{[]rune("ab"), []rune("a"), []rune("abc")},
[][]rune{[]rune("b"), []rune(""), []rune("bc")},
1,
},
{
[][]rune{[]rune("addb"), []rune("ajkajsdf"), []rune("aasdfkc")},
[][]rune{[]rune("ddb"), []rune("jkajsdf"), []rune("asdfkc")},
1,
},
{
[][]rune{[]rune("ddb"), []rune("ajksdf"), []rune("aasdfkc")},
[][]rune{[]rune("ddb"), []rune("ajksdf"), []rune("aasdfkc")},
0,
},
{
[][]rune{[]rune("ddb"), []rune("ddajksdf"), []rune("ddaasdfkc")},
[][]rune{[]rune("b"), []rune("ajksdf"), []rune("aasdfkc")},
2,
},
}
for _, r := range rs {
same, off := runes.Aggregate(r.r)
if off != r.length {
t.Fatal("result not expect", off)
}
if len(same) != off {
t.Fatal("result not expect", same)
}
if !reflect.DeepEqual(r.r, r.e) {
t.Fatal("result not expect")
}
}
}
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