+++ /dev/null
-// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
-// https://github.com/sergi/go-diff
-// See the included LICENSE file for license details.
-//
-// go-diff is a Go implementation of Google's Diff, Match, and Patch library
-// Original library is Copyright (c) 2006 Google Inc.
-// http://code.google.com/p/google-diff-match-patch/
-
-package diffmatchpatch
-
-import (
- "bytes"
- "fmt"
- "strconv"
- "strings"
- "testing"
- "time"
- "unicode/utf8"
-
- "github.com/stretchr/testify/assert"
-)
-
-func pretty(diffs []Diff) string {
- var w bytes.Buffer
-
- for i, diff := range diffs {
- _, _ = w.WriteString(fmt.Sprintf("%v. ", i))
-
- switch diff.Type {
- case DiffInsert:
- _, _ = w.WriteString("DiffIns")
- case DiffDelete:
- _, _ = w.WriteString("DiffDel")
- case DiffEqual:
- _, _ = w.WriteString("DiffEql")
- default:
- _, _ = w.WriteString("Unknown")
- }
-
- _, _ = w.WriteString(fmt.Sprintf(": %v\n", diff.Text))
- }
-
- return w.String()
-}
-
-func diffRebuildTexts(diffs []Diff) []string {
- texts := []string{"", ""}
-
- for _, d := range diffs {
- if d.Type != DiffInsert {
- texts[0] += d.Text
- }
- if d.Type != DiffDelete {
- texts[1] += d.Text
- }
- }
-
- return texts
-}
-
-func TestDiffCommonPrefix(t *testing.T) {
- type TestCase struct {
- Name string
-
- Text1 string
- Text2 string
-
- Expected int
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Null", "abc", "xyz", 0},
- {"Non-null", "1234abcdef", "1234xyz", 4},
- {"Whole", "1234", "1234xyz", 4},
- } {
- actual := dmp.DiffCommonPrefix(tc.Text1, tc.Text2)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func BenchmarkDiffCommonPrefix(b *testing.B) {
- s := "ABCDEFGHIJKLMNOPQRSTUVWXYZÅÄÖ"
-
- dmp := New()
-
- for i := 0; i < b.N; i++ {
- dmp.DiffCommonPrefix(s, s)
- }
-}
-
-func TestCommonPrefixLength(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
-
- Expected int
- }
-
- for i, tc := range []TestCase{
- {"abc", "xyz", 0},
- {"1234abcdef", "1234xyz", 4},
- {"1234", "1234xyz", 4},
- } {
- actual := commonPrefixLength([]rune(tc.Text1), []rune(tc.Text2))
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func TestDiffCommonSuffix(t *testing.T) {
- type TestCase struct {
- Name string
-
- Text1 string
- Text2 string
-
- Expected int
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Null", "abc", "xyz", 0},
- {"Non-null", "abcdef1234", "xyz1234", 4},
- {"Whole", "1234", "xyz1234", 4},
- } {
- actual := dmp.DiffCommonSuffix(tc.Text1, tc.Text2)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-var SinkInt int // exported sink var to avoid compiler optimizations in benchmarks
-
-func BenchmarkDiffCommonSuffix(b *testing.B) {
- s := "ABCDEFGHIJKLMNOPQRSTUVWXYZÅÄÖ"
-
- dmp := New()
-
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- SinkInt = dmp.DiffCommonSuffix(s, s)
- }
-}
-
-func BenchmarkCommonLength(b *testing.B) {
- data := []struct {
- name string
- x, y []rune
- }{
- {name: "empty", x: nil, y: []rune{}},
- {name: "short", x: []rune("AABCC"), y: []rune("AA-CC")},
- {name: "long",
- x: []rune(strings.Repeat("A", 1000) + "B" + strings.Repeat("C", 1000)),
- y: []rune(strings.Repeat("A", 1000) + "-" + strings.Repeat("C", 1000)),
- },
- }
- b.Run("prefix", func(b *testing.B) {
- for _, d := range data {
- b.Run(d.name, func(b *testing.B) {
- for i := 0; i < b.N; i++ {
- SinkInt = commonPrefixLength(d.x, d.y)
- }
- })
- }
- })
- b.Run("suffix", func(b *testing.B) {
- for _, d := range data {
- b.Run(d.name, func(b *testing.B) {
- for i := 0; i < b.N; i++ {
- SinkInt = commonSuffixLength(d.x, d.y)
- }
- })
- }
- })
-}
-
-func TestCommonSuffixLength(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
-
- Expected int
- }
-
- for i, tc := range []TestCase{
- {"abc", "xyz", 0},
- {"abcdef1234", "xyz1234", 4},
- {"1234", "xyz1234", 4},
- {"123", "a3", 1},
- } {
- actual := commonSuffixLength([]rune(tc.Text1), []rune(tc.Text2))
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func TestDiffCommonOverlap(t *testing.T) {
- type TestCase struct {
- Name string
-
- Text1 string
- Text2 string
-
- Expected int
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Null", "", "abcd", 0},
- {"Whole", "abc", "abcd", 3},
- {"Null", "123456", "abcd", 0},
- {"Null", "123456xxx", "xxxabcd", 3},
- // Some overly clever languages (C#) may treat ligatures as equal to their component letters, e.g. U+FB01 == 'fi'
- {"Unicode", "fi", "\ufb01i", 0},
- } {
- actual := dmp.DiffCommonOverlap(tc.Text1, tc.Text2)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffHalfMatch(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
-
- Expected []string
- }
-
- dmp := New()
- dmp.DiffTimeout = 1
-
- for i, tc := range []TestCase{
- // No match
- {"1234567890", "abcdef", nil},
- {"12345", "23", nil},
-
- // Single Match
- {"1234567890", "a345678z", []string{"12", "90", "a", "z", "345678"}},
- {"a345678z", "1234567890", []string{"a", "z", "12", "90", "345678"}},
- {"abc56789z", "1234567890", []string{"abc", "z", "1234", "0", "56789"}},
- {"a23456xyz", "1234567890", []string{"a", "xyz", "1", "7890", "23456"}},
-
- // Multiple Matches
- {"121231234123451234123121", "a1234123451234z", []string{"12123", "123121", "a", "z", "1234123451234"}},
- {"x-=-=-=-=-=-=-=-=-=-=-=-=", "xx-=-=-=-=-=-=-=", []string{"", "-=-=-=-=-=", "x", "", "x-=-=-=-=-=-=-="}},
- {"-=-=-=-=-=-=-=-=-=-=-=-=y", "-=-=-=-=-=-=-=yy", []string{"-=-=-=-=-=", "", "", "y", "-=-=-=-=-=-=-=y"}},
-
- // Non-optimal halfmatch, ptimal diff would be -q+x=H-i+e=lloHe+Hu=llo-Hew+y not -qHillo+x=HelloHe-w+Hulloy
- {"qHilloHelloHew", "xHelloHeHulloy", []string{"qHillo", "w", "x", "Hulloy", "HelloHe"}},
- } {
- actual := dmp.DiffHalfMatch(tc.Text1, tc.Text2)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-
- dmp.DiffTimeout = 0
-
- for i, tc := range []TestCase{
- // Optimal no halfmatch
- {"qHilloHelloHew", "xHelloHeHulloy", nil},
- } {
- actual := dmp.DiffHalfMatch(tc.Text1, tc.Text2)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func BenchmarkDiffHalfMatch(b *testing.B) {
- s1, s2 := speedtestTexts()
-
- dmp := New()
-
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- dmp.DiffHalfMatch(s1, s2)
- }
-}
-
-func TestDiffBisectSplit(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
- }
-
- dmp := New()
-
- for _, tc := range []TestCase{
- {"STUV\x05WX\x05YZ\x05[", "WĺĻļ\x05YZ\x05ĽľĿŀZ"},
- } {
- diffs := dmp.diffBisectSplit([]rune(tc.Text1),
- []rune(tc.Text2), 7, 6, time.Now().Add(time.Hour))
-
- for _, d := range diffs {
- assert.True(t, utf8.ValidString(d.Text))
- }
-
- // TODO define the expected outcome
- }
-}
-
-func TestDiffLinesToChars(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
-
- ExpectedChars1 string
- ExpectedChars2 string
- ExpectedLines []string
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"", "alpha\r\nbeta\r\n\r\n\r\n", "", "\u0001\u0002\u0003\u0003", []string{"", "alpha\r\n", "beta\r\n", "\r\n"}},
- {"a", "b", "\u0001", "\u0002", []string{"", "a", "b"}},
- // Omit final newline.
- {"alpha\nbeta\nalpha", "", "\u0001\u0002\u0003", "", []string{"", "alpha\n", "beta\n", "alpha"}},
- } {
- actualChars1, actualChars2, actualLines := dmp.DiffLinesToChars(tc.Text1, tc.Text2)
- assert.Equal(t, tc.ExpectedChars1, actualChars1, fmt.Sprintf("Test case #%d, %#v", i, tc))
- assert.Equal(t, tc.ExpectedChars2, actualChars2, fmt.Sprintf("Test case #%d, %#v", i, tc))
- assert.Equal(t, tc.ExpectedLines, actualLines, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-
- // More than 256 to reveal any 8-bit limitations.
- n := 300
- lineList := []string{
- "", // Account for the initial empty element of the lines array.
- }
- var charList []rune
- for x := 1; x < n+1; x++ {
- lineList = append(lineList, strconv.Itoa(x)+"\n")
- charList = append(charList, rune(x))
- }
- lines := strings.Join(lineList, "")
- chars := string(charList)
- assert.Equal(t, n, utf8.RuneCountInString(chars))
-
- actualChars1, actualChars2, actualLines := dmp.DiffLinesToChars(lines, "")
- assert.Equal(t, chars, actualChars1)
- assert.Equal(t, "", actualChars2)
- assert.Equal(t, lineList, actualLines)
-}
-
-func TestDiffCharsToLines(t *testing.T) {
- type TestCase struct {
- Diffs []Diff
- Lines []string
-
- Expected []Diff
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- Diffs: []Diff{
- {DiffEqual, "\u0001\u0002\u0001"},
- {DiffInsert, "\u0002\u0001\u0002"},
- },
- Lines: []string{"", "alpha\n", "beta\n"},
-
- Expected: []Diff{
- {DiffEqual, "alpha\nbeta\nalpha\n"},
- {DiffInsert, "beta\nalpha\nbeta\n"},
- },
- },
- } {
- actual := dmp.DiffCharsToLines(tc.Diffs, tc.Lines)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-
- // More than 256 to reveal any 8-bit limitations.
- n := 300
- lineList := []string{
- "", // Account for the initial empty element of the lines array.
- }
- charList := []rune{}
- for x := 1; x <= n; x++ {
- lineList = append(lineList, strconv.Itoa(x)+"\n")
- charList = append(charList, rune(x))
- }
- assert.Equal(t, n, len(charList))
-
- actual := dmp.DiffCharsToLines([]Diff{Diff{DiffDelete, string(charList)}}, lineList)
- assert.Equal(t, []Diff{Diff{DiffDelete, strings.Join(lineList, "")}}, actual)
-}
-
-func TestDiffCleanupMerge(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
-
- Expected []Diff
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- "Null case",
- []Diff{},
- []Diff{},
- },
- {
- "No Diff case",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "b"}, Diff{DiffInsert, "c"}},
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "b"}, Diff{DiffInsert, "c"}},
- },
- {
- "Merge equalities",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffEqual, "b"}, Diff{DiffEqual, "c"}},
- []Diff{Diff{DiffEqual, "abc"}},
- },
- {
- "Merge deletions",
- []Diff{Diff{DiffDelete, "a"}, Diff{DiffDelete, "b"}, Diff{DiffDelete, "c"}},
- []Diff{Diff{DiffDelete, "abc"}},
- },
- {
- "Merge insertions",
- []Diff{Diff{DiffInsert, "a"}, Diff{DiffInsert, "b"}, Diff{DiffInsert, "c"}},
- []Diff{Diff{DiffInsert, "abc"}},
- },
- {
- "Merge interweave",
- []Diff{Diff{DiffDelete, "a"}, Diff{DiffInsert, "b"}, Diff{DiffDelete, "c"}, Diff{DiffInsert, "d"}, Diff{DiffEqual, "e"}, Diff{DiffEqual, "f"}},
- []Diff{Diff{DiffDelete, "ac"}, Diff{DiffInsert, "bd"}, Diff{DiffEqual, "ef"}},
- },
- {
- "Prefix and suffix detection",
- []Diff{Diff{DiffDelete, "a"}, Diff{DiffInsert, "abc"}, Diff{DiffDelete, "dc"}},
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "d"}, Diff{DiffInsert, "b"}, Diff{DiffEqual, "c"}},
- },
- {
- "Prefix and suffix detection with equalities",
- []Diff{Diff{DiffEqual, "x"}, Diff{DiffDelete, "a"}, Diff{DiffInsert, "abc"}, Diff{DiffDelete, "dc"}, Diff{DiffEqual, "y"}},
- []Diff{Diff{DiffEqual, "xa"}, Diff{DiffDelete, "d"}, Diff{DiffInsert, "b"}, Diff{DiffEqual, "cy"}},
- },
- {
- "Same test as above but with unicode (\u0101 will appear in diffs with at least 257 unique lines)",
- []Diff{Diff{DiffEqual, "x"}, Diff{DiffDelete, "\u0101"}, Diff{DiffInsert, "\u0101bc"}, Diff{DiffDelete, "dc"}, Diff{DiffEqual, "y"}},
- []Diff{Diff{DiffEqual, "x\u0101"}, Diff{DiffDelete, "d"}, Diff{DiffInsert, "b"}, Diff{DiffEqual, "cy"}},
- },
- {
- "Slide edit left",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffInsert, "ba"}, Diff{DiffEqual, "c"}},
- []Diff{Diff{DiffInsert, "ab"}, Diff{DiffEqual, "ac"}},
- },
- {
- "Slide edit right",
- []Diff{Diff{DiffEqual, "c"}, Diff{DiffInsert, "ab"}, Diff{DiffEqual, "a"}},
- []Diff{Diff{DiffEqual, "ca"}, Diff{DiffInsert, "ba"}},
- },
- {
- "Slide edit left recursive",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "b"}, Diff{DiffEqual, "c"}, Diff{DiffDelete, "ac"}, Diff{DiffEqual, "x"}},
- []Diff{Diff{DiffDelete, "abc"}, Diff{DiffEqual, "acx"}},
- },
- {
- "Slide edit right recursive",
- []Diff{Diff{DiffEqual, "x"}, Diff{DiffDelete, "ca"}, Diff{DiffEqual, "c"}, Diff{DiffDelete, "b"}, Diff{DiffEqual, "a"}},
- []Diff{Diff{DiffEqual, "xca"}, Diff{DiffDelete, "cba"}},
- },
- } {
- actual := dmp.DiffCleanupMerge(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffCleanupSemanticLossless(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
-
- Expected []Diff
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- "Null case",
- []Diff{},
- []Diff{},
- },
- {
- "Blank lines",
- []Diff{
- Diff{DiffEqual, "AAA\r\n\r\nBBB"},
- Diff{DiffInsert, "\r\nDDD\r\n\r\nBBB"},
- Diff{DiffEqual, "\r\nEEE"},
- },
- []Diff{
- Diff{DiffEqual, "AAA\r\n\r\n"},
- Diff{DiffInsert, "BBB\r\nDDD\r\n\r\n"},
- Diff{DiffEqual, "BBB\r\nEEE"},
- },
- },
- {
- "Line boundaries",
- []Diff{
- Diff{DiffEqual, "AAA\r\nBBB"},
- Diff{DiffInsert, " DDD\r\nBBB"},
- Diff{DiffEqual, " EEE"},
- },
- []Diff{
- Diff{DiffEqual, "AAA\r\n"},
- Diff{DiffInsert, "BBB DDD\r\n"},
- Diff{DiffEqual, "BBB EEE"},
- },
- },
- {
- "Word boundaries",
- []Diff{
- Diff{DiffEqual, "The c"},
- Diff{DiffInsert, "ow and the c"},
- Diff{DiffEqual, "at."},
- },
- []Diff{
- Diff{DiffEqual, "The "},
- Diff{DiffInsert, "cow and the "},
- Diff{DiffEqual, "cat."},
- },
- },
- {
- "Alphanumeric boundaries",
- []Diff{
- Diff{DiffEqual, "The-c"},
- Diff{DiffInsert, "ow-and-the-c"},
- Diff{DiffEqual, "at."},
- },
- []Diff{
- Diff{DiffEqual, "The-"},
- Diff{DiffInsert, "cow-and-the-"},
- Diff{DiffEqual, "cat."},
- },
- },
- {
- "Hitting the start",
- []Diff{
- Diff{DiffEqual, "a"},
- Diff{DiffDelete, "a"},
- Diff{DiffEqual, "ax"},
- },
- []Diff{
- Diff{DiffDelete, "a"},
- Diff{DiffEqual, "aax"},
- },
- },
- {
- "Hitting the end",
- []Diff{
- Diff{DiffEqual, "xa"},
- Diff{DiffDelete, "a"},
- Diff{DiffEqual, "a"},
- },
- []Diff{
- Diff{DiffEqual, "xaa"},
- Diff{DiffDelete, "a"},
- },
- },
- {
- "Sentence boundaries",
- []Diff{
- Diff{DiffEqual, "The xxx. The "},
- Diff{DiffInsert, "zzz. The "},
- Diff{DiffEqual, "yyy."},
- },
- []Diff{
- Diff{DiffEqual, "The xxx."},
- Diff{DiffInsert, " The zzz."},
- Diff{DiffEqual, " The yyy."},
- },
- },
- {
- "UTF-8 strings",
- []Diff{
- Diff{DiffEqual, "The ♕. The "},
- Diff{DiffInsert, "♔. The "},
- Diff{DiffEqual, "♖."},
- },
- []Diff{
- Diff{DiffEqual, "The ♕."},
- Diff{DiffInsert, " The ♔."},
- Diff{DiffEqual, " The ♖."},
- },
- },
- {
- "Rune boundaries",
- []Diff{
- Diff{DiffEqual, "♕♕"},
- Diff{DiffInsert, "♔♔"},
- Diff{DiffEqual, "♖♖"},
- },
- []Diff{
- Diff{DiffEqual, "♕♕"},
- Diff{DiffInsert, "♔♔"},
- Diff{DiffEqual, "♖♖"},
- },
- },
- } {
- actual := dmp.DiffCleanupSemanticLossless(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffCleanupSemantic(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
-
- Expected []Diff
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- "Null case",
- []Diff{},
- []Diff{},
- },
- {
- "No elimination #1",
- []Diff{
- {DiffDelete, "ab"},
- {DiffInsert, "cd"},
- {DiffEqual, "12"},
- {DiffDelete, "e"},
- },
- []Diff{
- {DiffDelete, "ab"},
- {DiffInsert, "cd"},
- {DiffEqual, "12"},
- {DiffDelete, "e"},
- },
- },
- {
- "No elimination #2",
- []Diff{
- {DiffDelete, "abc"},
- {DiffInsert, "ABC"},
- {DiffEqual, "1234"},
- {DiffDelete, "wxyz"},
- },
- []Diff{
- {DiffDelete, "abc"},
- {DiffInsert, "ABC"},
- {DiffEqual, "1234"},
- {DiffDelete, "wxyz"},
- },
- },
- {
- "No elimination #3",
- []Diff{
- {DiffEqual, "2016-09-01T03:07:1"},
- {DiffInsert, "5.15"},
- {DiffEqual, "4"},
- {DiffDelete, "."},
- {DiffEqual, "80"},
- {DiffInsert, "0"},
- {DiffEqual, "78"},
- {DiffDelete, "3074"},
- {DiffEqual, "1Z"},
- },
- []Diff{
- {DiffEqual, "2016-09-01T03:07:1"},
- {DiffInsert, "5.15"},
- {DiffEqual, "4"},
- {DiffDelete, "."},
- {DiffEqual, "80"},
- {DiffInsert, "0"},
- {DiffEqual, "78"},
- {DiffDelete, "3074"},
- {DiffEqual, "1Z"},
- },
- },
- {
- "Simple elimination",
- []Diff{
- {DiffDelete, "a"},
- {DiffEqual, "b"},
- {DiffDelete, "c"},
- },
- []Diff{
- {DiffDelete, "abc"},
- {DiffInsert, "b"},
- },
- },
- {
- "Backpass elimination",
- []Diff{
- {DiffDelete, "ab"},
- {DiffEqual, "cd"},
- {DiffDelete, "e"},
- {DiffEqual, "f"},
- {DiffInsert, "g"},
- },
- []Diff{
- {DiffDelete, "abcdef"},
- {DiffInsert, "cdfg"},
- },
- },
- {
- "Multiple eliminations",
- []Diff{
- {DiffInsert, "1"},
- {DiffEqual, "A"},
- {DiffDelete, "B"},
- {DiffInsert, "2"},
- {DiffEqual, "_"},
- {DiffInsert, "1"},
- {DiffEqual, "A"},
- {DiffDelete, "B"},
- {DiffInsert, "2"},
- },
- []Diff{
- {DiffDelete, "AB_AB"},
- {DiffInsert, "1A2_1A2"},
- },
- },
- {
- "Word boundaries",
- []Diff{
- {DiffEqual, "The c"},
- {DiffDelete, "ow and the c"},
- {DiffEqual, "at."},
- },
- []Diff{
- {DiffEqual, "The "},
- {DiffDelete, "cow and the "},
- {DiffEqual, "cat."},
- },
- },
- {
- "No overlap elimination",
- []Diff{
- {DiffDelete, "abcxx"},
- {DiffInsert, "xxdef"},
- },
- []Diff{
- {DiffDelete, "abcxx"},
- {DiffInsert, "xxdef"},
- },
- },
- {
- "Overlap elimination",
- []Diff{
- {DiffDelete, "abcxxx"},
- {DiffInsert, "xxxdef"},
- },
- []Diff{
- {DiffDelete, "abc"},
- {DiffEqual, "xxx"},
- {DiffInsert, "def"},
- },
- },
- {
- "Reverse overlap elimination",
- []Diff{
- {DiffDelete, "xxxabc"},
- {DiffInsert, "defxxx"},
- },
- []Diff{
- {DiffInsert, "def"},
- {DiffEqual, "xxx"},
- {DiffDelete, "abc"},
- },
- },
- {
- "Two overlap eliminations",
- []Diff{
- {DiffDelete, "abcd1212"},
- {DiffInsert, "1212efghi"},
- {DiffEqual, "----"},
- {DiffDelete, "A3"},
- {DiffInsert, "3BC"},
- },
- []Diff{
- {DiffDelete, "abcd"},
- {DiffEqual, "1212"},
- {DiffInsert, "efghi"},
- {DiffEqual, "----"},
- {DiffDelete, "A"},
- {DiffEqual, "3"},
- {DiffInsert, "BC"},
- },
- },
- {
- "Test case for adapting DiffCleanupSemantic to be equal to the Python version #19",
- []Diff{
- {DiffEqual, "James McCarthy "},
- {DiffDelete, "close to "},
- {DiffEqual, "sign"},
- {DiffDelete, "ing"},
- {DiffInsert, "s"},
- {DiffEqual, " new "},
- {DiffDelete, "E"},
- {DiffInsert, "fi"},
- {DiffEqual, "ve"},
- {DiffInsert, "-yea"},
- {DiffEqual, "r"},
- {DiffDelete, "ton"},
- {DiffEqual, " deal"},
- {DiffInsert, " at Everton"},
- },
- []Diff{
- {DiffEqual, "James McCarthy "},
- {DiffDelete, "close to "},
- {DiffEqual, "sign"},
- {DiffDelete, "ing"},
- {DiffInsert, "s"},
- {DiffEqual, " new "},
- {DiffInsert, "five-year deal at "},
- {DiffEqual, "Everton"},
- {DiffDelete, " deal"},
- },
- },
- } {
- actual := dmp.DiffCleanupSemantic(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func BenchmarkDiffCleanupSemantic(b *testing.B) {
- s1, s2 := speedtestTexts()
-
- dmp := New()
-
- diffs := dmp.DiffMain(s1, s2, false)
-
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- dmp.DiffCleanupSemantic(diffs)
- }
-}
-
-func TestDiffCleanupEfficiency(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
-
- Expected []Diff
- }
-
- dmp := New()
- dmp.DiffEditCost = 4
-
- for i, tc := range []TestCase{
- {
- "Null case",
- []Diff{},
- []Diff{},
- },
- {
- "No elimination",
- []Diff{
- Diff{DiffDelete, "ab"},
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "wxyz"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "34"},
- },
- []Diff{
- Diff{DiffDelete, "ab"},
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "wxyz"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "34"},
- },
- },
- {
- "Four-edit elimination",
- []Diff{
- Diff{DiffDelete, "ab"},
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "xyz"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "34"},
- },
- []Diff{
- Diff{DiffDelete, "abxyzcd"},
- Diff{DiffInsert, "12xyz34"},
- },
- },
- {
- "Three-edit elimination",
- []Diff{
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "x"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "34"},
- },
- []Diff{
- Diff{DiffDelete, "xcd"},
- Diff{DiffInsert, "12x34"},
- },
- },
- {
- "Backpass elimination",
- []Diff{
- Diff{DiffDelete, "ab"},
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "xy"},
- Diff{DiffInsert, "34"},
- Diff{DiffEqual, "z"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "56"},
- },
- []Diff{
- Diff{DiffDelete, "abxyzcd"},
- Diff{DiffInsert, "12xy34z56"},
- },
- },
- } {
- actual := dmp.DiffCleanupEfficiency(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-
- dmp.DiffEditCost = 5
-
- for i, tc := range []TestCase{
- {
- "High cost elimination",
- []Diff{
- Diff{DiffDelete, "ab"},
- Diff{DiffInsert, "12"},
- Diff{DiffEqual, "wxyz"},
- Diff{DiffDelete, "cd"},
- Diff{DiffInsert, "34"},
- },
- []Diff{
- Diff{DiffDelete, "abwxyzcd"},
- Diff{DiffInsert, "12wxyz34"},
- },
- },
- } {
- actual := dmp.DiffCleanupEfficiency(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffPrettyHtml(t *testing.T) {
- type TestCase struct {
- Diffs []Diff
-
- Expected string
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- Diffs: []Diff{
- {DiffEqual, "a\n"},
- {DiffDelete, "<B>b</B>"},
- {DiffInsert, "c&d"},
- },
-
- Expected: "<span>a¶<br></span><del style=\"background:#ffe6e6;\"><B>b</B></del><ins style=\"background:#e6ffe6;\">c&d</ins>",
- },
- } {
- actual := dmp.DiffPrettyHtml(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func TestDiffPrettyText(t *testing.T) {
- type TestCase struct {
- Diffs []Diff
-
- Expected string
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- Diffs: []Diff{
- {DiffEqual, "a\n"},
- {DiffDelete, "<B>b</B>"},
- {DiffInsert, "c&d"},
- },
-
- Expected: "a\n\x1b[31m<B>b</B>\x1b[0m\x1b[32mc&d\x1b[0m",
- },
- } {
- actual := dmp.DiffPrettyText(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func TestDiffText(t *testing.T) {
- type TestCase struct {
- Diffs []Diff
-
- ExpectedText1 string
- ExpectedText2 string
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- Diffs: []Diff{
- {DiffEqual, "jump"},
- {DiffDelete, "s"},
- {DiffInsert, "ed"},
- {DiffEqual, " over "},
- {DiffDelete, "the"},
- {DiffInsert, "a"},
- {DiffEqual, " lazy"},
- },
-
- ExpectedText1: "jumps over the lazy",
- ExpectedText2: "jumped over a lazy",
- },
- } {
- actualText1 := dmp.DiffText1(tc.Diffs)
- assert.Equal(t, tc.ExpectedText1, actualText1, fmt.Sprintf("Test case #%d, %#v", i, tc))
-
- actualText2 := dmp.DiffText2(tc.Diffs)
- assert.Equal(t, tc.ExpectedText2, actualText2, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func TestDiffDelta(t *testing.T) {
- type TestCase struct {
- Name string
-
- Text string
- Delta string
-
- ErrorMessagePrefix string
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Delta shorter than text", "jumps over the lazyx", "=4\t-1\t+ed\t=6\t-3\t+a\t=5\t+old dog", "Delta length (19) is different from source text length (20)"},
- {"Delta longer than text", "umps over the lazy", "=4\t-1\t+ed\t=6\t-3\t+a\t=5\t+old dog", "Delta length (19) is different from source text length (18)"},
- {"Invalid URL escaping", "", "+%c3%xy", "invalid URL escape \"%xy\""},
- {"Invalid UTF-8 sequence", "", "+%c3xy", "invalid UTF-8 token: \"\\xc3xy\""},
- {"Invalid diff operation", "", "a", "Invalid diff operation in DiffFromDelta: a"},
- {"Invalid diff syntax", "", "-", "strconv.ParseInt: parsing \"\": invalid syntax"},
- {"Negative number in delta", "", "--1", "Negative number in DiffFromDelta: -1"},
- {"Empty case", "", "", ""},
- } {
- diffs, err := dmp.DiffFromDelta(tc.Text, tc.Delta)
- msg := fmt.Sprintf("Test case #%d, %s", i, tc.Name)
- if tc.ErrorMessagePrefix == "" {
- assert.Nil(t, err, msg)
- assert.Nil(t, diffs, msg)
- } else {
- e := err.Error()
- if strings.HasPrefix(e, tc.ErrorMessagePrefix) {
- e = tc.ErrorMessagePrefix
- }
- assert.Nil(t, diffs, msg)
- assert.Equal(t, tc.ErrorMessagePrefix, e, msg)
- }
- }
-
- // Convert a diff into delta string.
- diffs := []Diff{
- Diff{DiffEqual, "jump"},
- Diff{DiffDelete, "s"},
- Diff{DiffInsert, "ed"},
- Diff{DiffEqual, " over "},
- Diff{DiffDelete, "the"},
- Diff{DiffInsert, "a"},
- Diff{DiffEqual, " lazy"},
- Diff{DiffInsert, "old dog"},
- }
- text1 := dmp.DiffText1(diffs)
- assert.Equal(t, "jumps over the lazy", text1)
-
- delta := dmp.DiffToDelta(diffs)
- assert.Equal(t, "=4\t-1\t+ed\t=6\t-3\t+a\t=5\t+old dog", delta)
-
- // Convert delta string into a diff.
- deltaDiffs, err := dmp.DiffFromDelta(text1, delta)
- assert.Equal(t, diffs, deltaDiffs)
-
- // Test deltas with special characters.
- diffs = []Diff{
- Diff{DiffEqual, "\u0680 \x00 \t %"},
- Diff{DiffDelete, "\u0681 \x01 \n ^"},
- Diff{DiffInsert, "\u0682 \x02 \\ |"},
- }
- text1 = dmp.DiffText1(diffs)
- assert.Equal(t, "\u0680 \x00 \t %\u0681 \x01 \n ^", text1)
-
- // Lowercase, due to UrlEncode uses lower.
- delta = dmp.DiffToDelta(diffs)
- assert.Equal(t, "=7\t-7\t+%DA%82 %02 %5C %7C", delta)
-
- deltaDiffs, err = dmp.DiffFromDelta(text1, delta)
- assert.Equal(t, diffs, deltaDiffs)
- assert.Nil(t, err)
-
- // Verify pool of unchanged characters.
- diffs = []Diff{
- Diff{DiffInsert, "A-Z a-z 0-9 - _ . ! ~ * ' ( ) ; / ? : @ & = + $ , # "},
- }
-
- delta = dmp.DiffToDelta(diffs)
- assert.Equal(t, "+A-Z a-z 0-9 - _ . ! ~ * ' ( ) ; / ? : @ & = + $ , # ", delta, "Unchanged characters.")
-
- // Convert delta string into a diff.
- deltaDiffs, err = dmp.DiffFromDelta("", delta)
- assert.Equal(t, diffs, deltaDiffs)
- assert.Nil(t, err)
-}
-
-func TestDiffXIndex(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
- Location int
-
- Expected int
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Translation on equality", []Diff{{DiffDelete, "a"}, {DiffInsert, "1234"}, {DiffEqual, "xyz"}}, 2, 5},
- {"Translation on deletion", []Diff{{DiffEqual, "a"}, {DiffDelete, "1234"}, {DiffEqual, "xyz"}}, 3, 1},
- } {
- actual := dmp.DiffXIndex(tc.Diffs, tc.Location)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffLevenshtein(t *testing.T) {
- type TestCase struct {
- Name string
-
- Diffs []Diff
-
- Expected int
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {"Levenshtein with trailing equality", []Diff{{DiffDelete, "абв"}, {DiffInsert, "1234"}, {DiffEqual, "эюя"}}, 4},
- {"Levenshtein with leading equality", []Diff{{DiffEqual, "эюя"}, {DiffDelete, "абв"}, {DiffInsert, "1234"}}, 4},
- {"Levenshtein with middle equality", []Diff{{DiffDelete, "абв"}, {DiffEqual, "эюя"}, {DiffInsert, "1234"}}, 7},
- } {
- actual := dmp.DiffLevenshtein(tc.Diffs)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-}
-
-func TestDiffBisect(t *testing.T) {
- type TestCase struct {
- Name string
-
- Time time.Time
-
- Expected []Diff
- }
-
- dmp := New()
-
- for i, tc := range []TestCase{
- {
- Name: "normal",
- Time: time.Date(9999, time.December, 31, 23, 59, 59, 59, time.UTC),
-
- Expected: []Diff{
- {DiffDelete, "c"},
- {DiffInsert, "m"},
- {DiffEqual, "a"},
- {DiffDelete, "t"},
- {DiffInsert, "p"},
- },
- },
- {
- Name: "Negative deadlines count as having infinite time",
- Time: time.Date(0001, time.January, 01, 00, 00, 00, 00, time.UTC),
-
- Expected: []Diff{
- {DiffDelete, "c"},
- {DiffInsert, "m"},
- {DiffEqual, "a"},
- {DiffDelete, "t"},
- {DiffInsert, "p"},
- },
- },
- {
- Name: "Timeout",
- Time: time.Now().Add(time.Nanosecond),
-
- Expected: []Diff{
- {DiffDelete, "cat"},
- {DiffInsert, "map"},
- },
- },
- } {
- actual := dmp.DiffBisect("cat", "map", tc.Time)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
- }
-
- // Test for invalid UTF-8 sequences
- assert.Equal(t, []Diff{
- Diff{DiffEqual, "��"},
- }, dmp.DiffBisect("\xe0\xe5", "\xe0\xe5", time.Now().Add(time.Minute)))
-}
-
-func TestDiffMain(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
-
- Expected []Diff
- }
-
- dmp := New()
-
- // Perform a trivial diff.
- for i, tc := range []TestCase{
- {
- "",
- "",
- nil,
- },
- {
- "abc",
- "abc",
- []Diff{Diff{DiffEqual, "abc"}},
- },
- {
- "abc",
- "ab123c",
- []Diff{Diff{DiffEqual, "ab"}, Diff{DiffInsert, "123"}, Diff{DiffEqual, "c"}},
- },
- {
- "a123bc",
- "abc",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "123"}, Diff{DiffEqual, "bc"}},
- },
- {
- "abc",
- "a123b456c",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffInsert, "123"}, Diff{DiffEqual, "b"}, Diff{DiffInsert, "456"}, Diff{DiffEqual, "c"}},
- },
- {
- "a123b456c",
- "abc",
- []Diff{Diff{DiffEqual, "a"}, Diff{DiffDelete, "123"}, Diff{DiffEqual, "b"}, Diff{DiffDelete, "456"}, Diff{DiffEqual, "c"}},
- },
- } {
- actual := dmp.DiffMain(tc.Text1, tc.Text2, false)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-
- // Perform a real diff and switch off the timeout.
- dmp.DiffTimeout = 0
-
- for i, tc := range []TestCase{
- {
- "a",
- "b",
- []Diff{Diff{DiffDelete, "a"}, Diff{DiffInsert, "b"}},
- },
- {
- "Apples are a fruit.",
- "Bananas are also fruit.",
- []Diff{
- Diff{DiffDelete, "Apple"},
- Diff{DiffInsert, "Banana"},
- Diff{DiffEqual, "s are a"},
- Diff{DiffInsert, "lso"},
- Diff{DiffEqual, " fruit."},
- },
- },
- {
- "ax\t",
- "\u0680x\u0000",
- []Diff{
- Diff{DiffDelete, "a"},
- Diff{DiffInsert, "\u0680"},
- Diff{DiffEqual, "x"},
- Diff{DiffDelete, "\t"},
- Diff{DiffInsert, "\u0000"},
- },
- },
- {
- "1ayb2",
- "abxab",
- []Diff{
- Diff{DiffDelete, "1"},
- Diff{DiffEqual, "a"},
- Diff{DiffDelete, "y"},
- Diff{DiffEqual, "b"},
- Diff{DiffDelete, "2"},
- Diff{DiffInsert, "xab"},
- },
- },
- {
- "abcy",
- "xaxcxabc",
- []Diff{
- Diff{DiffInsert, "xaxcx"},
- Diff{DiffEqual, "abc"}, Diff{DiffDelete, "y"},
- },
- },
- {
- "ABCDa=bcd=efghijklmnopqrsEFGHIJKLMNOefg",
- "a-bcd-efghijklmnopqrs",
- []Diff{
- Diff{DiffDelete, "ABCD"},
- Diff{DiffEqual, "a"},
- Diff{DiffDelete, "="},
- Diff{DiffInsert, "-"},
- Diff{DiffEqual, "bcd"},
- Diff{DiffDelete, "="},
- Diff{DiffInsert, "-"},
- Diff{DiffEqual, "efghijklmnopqrs"},
- Diff{DiffDelete, "EFGHIJKLMNOefg"},
- },
- },
- {
- "a [[Pennsylvania]] and [[New",
- " and [[Pennsylvania]]",
- []Diff{
- Diff{DiffInsert, " "},
- Diff{DiffEqual, "a"},
- Diff{DiffInsert, "nd"},
- Diff{DiffEqual, " [[Pennsylvania]]"},
- Diff{DiffDelete, " and [[New"},
- },
- },
- } {
- actual := dmp.DiffMain(tc.Text1, tc.Text2, false)
- assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-
- // Test for invalid UTF-8 sequences
- assert.Equal(t, []Diff{
- Diff{DiffDelete, "��"},
- }, dmp.DiffMain("\xe0\xe5", "", false))
-}
-
-func TestDiffMainWithTimeout(t *testing.T) {
- dmp := New()
- dmp.DiffTimeout = 200 * time.Millisecond
-
- a := "`Twas brillig, and the slithy toves\nDid gyre and gimble in the wabe:\nAll mimsy were the borogoves,\nAnd the mome raths outgrabe.\n"
- b := "I am the very model of a modern major general,\nI've information vegetable, animal, and mineral,\nI know the kings of England, and I quote the fights historical,\nFrom Marathon to Waterloo, in order categorical.\n"
- // Increase the text lengths by 1024 times to ensure a timeout.
- for x := 0; x < 13; x++ {
- a = a + a
- b = b + b
- }
-
- startTime := time.Now()
- dmp.DiffMain(a, b, true)
- endTime := time.Now()
-
- delta := endTime.Sub(startTime)
-
- // Test that we took at least the timeout period.
- assert.True(t, delta >= dmp.DiffTimeout, fmt.Sprintf("%v !>= %v", delta, dmp.DiffTimeout))
-
- // Test that we didn't take forever (be very forgiving). Theoretically this test could fail very occasionally if the OS task swaps or locks up for a second at the wrong moment.
- assert.True(t, delta < (dmp.DiffTimeout*100), fmt.Sprintf("%v !< %v", delta, dmp.DiffTimeout*100))
-}
-
-func TestDiffMainWithCheckLines(t *testing.T) {
- type TestCase struct {
- Text1 string
- Text2 string
- }
-
- dmp := New()
- dmp.DiffTimeout = 0
-
- // Test cases must be at least 100 chars long to pass the cutoff.
- for i, tc := range []TestCase{
- {
- "1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n",
- "abcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\nabcdefghij\n",
- },
- {
- "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890",
- "abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij",
- },
- {
- "1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n1234567890\n",
- "abcdefghij\n1234567890\n1234567890\n1234567890\nabcdefghij\n1234567890\n1234567890\n1234567890\nabcdefghij\n1234567890\n1234567890\n1234567890\nabcdefghij\n",
- },
- } {
- resultWithoutCheckLines := dmp.DiffMain(tc.Text1, tc.Text2, false)
- resultWithCheckLines := dmp.DiffMain(tc.Text1, tc.Text2, true)
-
- // TODO this fails for the third test case, why?
- if i != 2 {
- assert.Equal(t, resultWithoutCheckLines, resultWithCheckLines, fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
- assert.Equal(t, diffRebuildTexts(resultWithoutCheckLines), diffRebuildTexts(resultWithCheckLines), fmt.Sprintf("Test case #%d, %#v", i, tc))
- }
-}
-
-func BenchmarkDiffMain(bench *testing.B) {
- s1 := "`Twas brillig, and the slithy toves\nDid gyre and gimble in the wabe:\nAll mimsy were the borogoves,\nAnd the mome raths outgrabe.\n"
- s2 := "I am the very model of a modern major general,\nI've information vegetable, animal, and mineral,\nI know the kings of England, and I quote the fights historical,\nFrom Marathon to Waterloo, in order categorical.\n"
-
- // Increase the text lengths by 1024 times to ensure a timeout.
- for x := 0; x < 10; x++ {
- s1 = s1 + s1
- s2 = s2 + s2
- }
-
- dmp := New()
- dmp.DiffTimeout = time.Second
-
- bench.ResetTimer()
-
- for i := 0; i < bench.N; i++ {
- dmp.DiffMain(s1, s2, true)
- }
-}
-
-func BenchmarkDiffMainLarge(b *testing.B) {
- s1, s2 := speedtestTexts()
-
- dmp := New()
-
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- dmp.DiffMain(s1, s2, true)
- }
-}
-
-func BenchmarkDiffMainRunesLargeLines(b *testing.B) {
- s1, s2 := speedtestTexts()
-
- dmp := New()
-
- b.ResetTimer()
-
- for i := 0; i < b.N; i++ {
- text1, text2, linearray := dmp.DiffLinesToRunes(s1, s2)
-
- diffs := dmp.DiffMainRunes(text1, text2, false)
- diffs = dmp.DiffCharsToLines(diffs, linearray)
- }
-}