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package buffer
import (
"math/rand"
"strings"
"testing"
"github.com/stretchr/testify/assert"
lua "github.com/yuin/gopher-lua"
"github.com/zyedidia/micro/v2/internal/config"
ulua "github.com/zyedidia/micro/v2/internal/lua"
"github.com/zyedidia/micro/v2/internal/util"
)
type operation struct {
start Loc
end Loc
text []string
}
func init() {
ulua.L = lua.NewState()
config.InitRuntimeFiles(false)
config.InitGlobalSettings()
config.GlobalSettings["backup"] = false
config.GlobalSettings["fastdirty"] = true
}
func check(t *testing.T, before []string, operations []operation, after []string) {
assert := assert.New(t)
b := NewBufferFromString(strings.Join(before, "\n"), "", BTDefault)
assert.NotEqual("", b.GetName())
assert.Equal(false, b.ExternallyModified())
assert.Equal(false, b.Modified())
assert.Equal(1, b.NumCursors())
checkText := func(lines []string) {
assert.Equal([]byte(strings.Join(lines, "\n")), b.Bytes())
assert.Equal(len(lines), b.LinesNum())
for i, s := range lines {
assert.Equal(s, b.Line(i))
assert.Equal([]byte(s), b.LineBytes(i))
}
}
checkText(before)
var cursors []*Cursor
for _, op := range operations {
cursor := NewCursor(b, op.start)
cursor.SetSelectionStart(op.start)
cursor.SetSelectionEnd(op.end)
b.AddCursor(cursor)
cursors = append(cursors, cursor)
}
assert.Equal(1+len(operations), b.NumCursors())
for i, op := range operations {
cursor := cursors[i]
b.SetCurCursor(cursor.Num)
cursor.DeleteSelection()
b.Insert(cursor.Loc, strings.Join(op.text, "\n"))
}
checkText(after)
// must have exactly two events per operation (delete and insert)
for range operations {
b.UndoOneEvent()
b.UndoOneEvent()
}
checkText(before)
for i, op := range operations {
cursor := cursors[i]
if op.start == op.end {
assert.Equal(op.start, cursor.Loc)
} else {
assert.Equal(op.start, cursor.CurSelection[0])
assert.Equal(op.end, cursor.CurSelection[1])
}
}
for range operations {
b.RedoOneEvent()
b.RedoOneEvent()
}
checkText(after)
b.Close()
}
const maxLineLength = 200
var alphabet = []rune(" abcdeäم📚")
func randomString(length int) string {
runes := make([]rune, length)
for i := range runes {
runes[i] = alphabet[rand.Intn(len(alphabet))]
}
return string(runes)
}
func randomText(nLines int) string {
lines := make([]string, nLines)
for i := range lines {
lines[i] = randomString(rand.Intn(maxLineLength + 1))
}
return strings.Join(lines, "\n")
}
func benchCreateAndClose(testingB *testing.B, nLines int) {
rand.Seed(int64(nLines))
text := randomText(nLines)
testingB.ResetTimer()
for i := 0; i < testingB.N; i++ {
b := NewBufferFromString(text, "", BTDefault)
b.Close()
}
}
func benchRead(testingB *testing.B, nLines int) {
rand.Seed(int64(nLines))
b := NewBufferFromString(randomText(nLines), "", BTDefault)
testingB.ResetTimer()
for i := 0; i < testingB.N; i++ {
b.Bytes()
for j := 0; j < b.LinesNum(); j++ {
b.Line(j)
b.LineBytes(j)
}
}
testingB.StopTimer()
b.Close()
}
func benchEdit(testingB *testing.B, nLines, nCursors int) {
rand.Seed(int64(nLines + nCursors))
b := NewBufferFromString(randomText(nLines), "", BTDefault)
regionSize := nLines / nCursors
operations := make([]operation, nCursors)
for i := range operations {
startLine := (i * regionSize) + rand.Intn(regionSize-5)
startColumn := rand.Intn(util.CharacterCountInString(b.Line(startLine)) + 1)
endLine := startLine + 1 + rand.Intn(5)
endColumn := rand.Intn(util.CharacterCountInString(b.Line(endLine)) + 1)
operations[i] = operation{
start: Loc{startColumn, startLine},
end: Loc{endColumn, endLine},
text: []string{randomText(2 + rand.Intn(4))},
}
}
testingB.ResetTimer()
for i := 0; i < testingB.N; i++ {
b.SetCursors([]*Cursor{})
var cursors []*Cursor
for _, op := range operations {
cursor := NewCursor(b, op.start)
cursor.SetSelectionStart(op.start)
cursor.SetSelectionEnd(op.end)
b.AddCursor(cursor)
cursors = append(cursors, cursor)
}
for j, op := range operations {
cursor := cursors[j]
b.SetCurCursor(cursor.Num)
cursor.DeleteSelection()
b.Insert(cursor.Loc, op.text[0])
}
for b.UndoStack.Peek() != nil {
b.UndoOneEvent()
}
}
testingB.StopTimer()
b.Close()
}
func BenchmarkCreateAndClose10Lines(b *testing.B) {
benchCreateAndClose(b, 10)
}
func BenchmarkCreateAndClose100Lines(b *testing.B) {
benchCreateAndClose(b, 100)
}
func BenchmarkCreateAndClose1000Lines(b *testing.B) {
benchCreateAndClose(b, 1000)
}
func BenchmarkCreateAndClose10000Lines(b *testing.B) {
benchCreateAndClose(b, 10000)
}
func BenchmarkCreateAndClose100000Lines(b *testing.B) {
benchCreateAndClose(b, 100000)
}
func BenchmarkCreateAndClose1000000Lines(b *testing.B) {
benchCreateAndClose(b, 1000000)
}
func BenchmarkRead10Lines(b *testing.B) {
benchRead(b, 10)
}
func BenchmarkRead100Lines(b *testing.B) {
benchRead(b, 100)
}
func BenchmarkRead1000Lines(b *testing.B) {
benchRead(b, 1000)
}
func BenchmarkRead10000Lines(b *testing.B) {
benchRead(b, 10000)
}
func BenchmarkRead100000Lines(b *testing.B) {
benchRead(b, 100000)
}
func BenchmarkRead1000000Lines(b *testing.B) {
benchRead(b, 1000000)
}
func BenchmarkEdit10Lines1Cursor(b *testing.B) {
benchEdit(b, 10, 1)
}
func BenchmarkEdit100Lines1Cursor(b *testing.B) {
benchEdit(b, 100, 1)
}
func BenchmarkEdit100Lines10Cursors(b *testing.B) {
benchEdit(b, 100, 10)
}
func BenchmarkEdit1000Lines1Cursor(b *testing.B) {
benchEdit(b, 1000, 1)
}
func BenchmarkEdit1000Lines10Cursors(b *testing.B) {
benchEdit(b, 1000, 10)
}
func BenchmarkEdit1000Lines100Cursors(b *testing.B) {
benchEdit(b, 1000, 100)
}
func BenchmarkEdit10000Lines1Cursor(b *testing.B) {
benchEdit(b, 10000, 1)
}
func BenchmarkEdit10000Lines10Cursors(b *testing.B) {
benchEdit(b, 10000, 10)
}
func BenchmarkEdit10000Lines100Cursors(b *testing.B) {
benchEdit(b, 10000, 100)
}
func BenchmarkEdit10000Lines1000Cursors(b *testing.B) {
benchEdit(b, 10000, 1000)
}
func BenchmarkEdit100000Lines1Cursor(b *testing.B) {
benchEdit(b, 100000, 1)
}
func BenchmarkEdit100000Lines10Cursors(b *testing.B) {
benchEdit(b, 100000, 10)
}
func BenchmarkEdit100000Lines100Cursors(b *testing.B) {
benchEdit(b, 100000, 100)
}
func BenchmarkEdit100000Lines1000Cursors(b *testing.B) {
benchEdit(b, 100000, 1000)
}
func BenchmarkEdit1000000Lines1Cursor(b *testing.B) {
benchEdit(b, 1000000, 1)
}
func BenchmarkEdit1000000Lines10Cursors(b *testing.B) {
benchEdit(b, 1000000, 10)
}
func BenchmarkEdit1000000Lines100Cursors(b *testing.B) {
benchEdit(b, 1000000, 100)
}
func BenchmarkEdit1000000Lines1000Cursors(b *testing.B) {
benchEdit(b, 1000000, 1000)
}
|
