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