61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package buffer
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
var unicode_txt = `An preost wes on leoden, Laȝamon was ihoten
|
|
He wes Leovenaðes sone -- liðe him be Drihten.
|
|
He wonede at Ernleȝe at æðelen are chirechen,
|
|
Uppen Sevarne staþe, sel þar him þuhte,
|
|
Onfest Radestone, þer he bock radde.`
|
|
|
|
var la *LineArray
|
|
|
|
func init() {
|
|
reader := strings.NewReader(unicode_txt)
|
|
la = NewLineArray(uint64(len(unicode_txt)), FFAuto, reader)
|
|
}
|
|
|
|
func TestSplit(t *testing.T) {
|
|
la.insert(Loc{17, 1}, []byte{'\n'})
|
|
assert.Equal(t, len(la.lines), 6)
|
|
sub1 := la.Substr(Loc{0, 1}, Loc{17, 1})
|
|
sub2 := la.Substr(Loc{0, 2}, Loc{30, 2})
|
|
|
|
assert.Equal(t, []byte("He wes Leovenaðes"), sub1)
|
|
assert.Equal(t, []byte(" sone -- liðe him be Drihten."), sub2)
|
|
}
|
|
|
|
func TestJoin(t *testing.T) {
|
|
la.remove(Loc{47, 1}, Loc{0, 2})
|
|
assert.Equal(t, len(la.lines), 5)
|
|
sub := la.Substr(Loc{0, 1}, Loc{47, 1})
|
|
bytes := la.Bytes()
|
|
|
|
assert.Equal(t, []byte("He wes Leovenaðes sone -- liðe him be Drihten."), sub)
|
|
assert.Equal(t, unicode_txt, string(bytes))
|
|
}
|
|
|
|
func TestInsert(t *testing.T) {
|
|
la.insert(Loc{20, 3}, []byte(" foobar"))
|
|
sub1 := la.Substr(Loc{0, 3}, Loc{50, 3})
|
|
|
|
assert.Equal(t, []byte("Uppen Sevarne staþe, foobar sel þar him þuhte,"), sub1)
|
|
|
|
la.insert(Loc{25, 2}, []byte("ಮಣ್ಣಾಗಿ"))
|
|
sub2 := la.Substr(Loc{0, 2}, Loc{60, 2})
|
|
assert.Equal(t, []byte("He wonede at Ernleȝe at æಮಣ್ಣಾಗಿðelen are chirechen,"), sub2)
|
|
}
|
|
|
|
func TestRemove(t *testing.T) {
|
|
la.remove(Loc{20, 3}, Loc{27, 3})
|
|
la.remove(Loc{25, 2}, Loc{32, 2})
|
|
|
|
bytes := la.Bytes()
|
|
assert.Equal(t, unicode_txt, string(bytes))
|
|
}
|