Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / github.com / sergi / go-diff@v1.1.0 / diffmatchpatch / match_test.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/github.com/sergi/go-diff@v1.1.0/diffmatchpatch/match_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/github.com/sergi/go-diff@v1.1.0/diffmatchpatch/match_test.go
new file mode 100644 (file)
index 0000000..f9abe60
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/github.com/sergi/go-diff@v1.1.0/diffmatchpatch/match_test.go
@@ -0,0 +1,174 @@
+// 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 (
+       "fmt"
+       "testing"
+
+       "github.com/stretchr/testify/assert"
+)
+
+func TestMatchAlphabet(t *testing.T) {
+       type TestCase struct {
+               Pattern string
+
+               Expected map[byte]int
+       }
+
+       dmp := New()
+
+       for i, tc := range []TestCase{
+               {
+                       Pattern: "abc",
+
+                       Expected: map[byte]int{
+                               'a': 4,
+                               'b': 2,
+                               'c': 1,
+                       },
+               },
+               {
+                       Pattern: "abcaba",
+
+                       Expected: map[byte]int{
+                               'a': 37,
+                               'b': 18,
+                               'c': 8,
+                       },
+               },
+       } {
+               actual := dmp.MatchAlphabet(tc.Pattern)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
+       }
+}
+
+func TestMatchBitap(t *testing.T) {
+       type TestCase struct {
+               Name string
+
+               Text     string
+               Pattern  string
+               Location int
+
+               Expected int
+       }
+
+       dmp := New()
+       dmp.MatchDistance = 100
+       dmp.MatchThreshold = 0.5
+
+       for i, tc := range []TestCase{
+               {"Exact match #1", "abcdefghijk", "fgh", 5, 5},
+               {"Exact match #2", "abcdefghijk", "fgh", 0, 5},
+               {"Fuzzy match #1", "abcdefghijk", "efxhi", 0, 4},
+               {"Fuzzy match #2", "abcdefghijk", "cdefxyhijk", 5, 2},
+               {"Fuzzy match #3", "abcdefghijk", "bxy", 1, -1},
+               {"Overflow", "123456789xx0", "3456789x0", 2, 2},
+               {"Before start match", "abcdef", "xxabc", 4, 0},
+               {"Beyond end match", "abcdef", "defyy", 4, 3},
+               {"Oversized pattern", "abcdef", "xabcdefy", 0, 0},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       dmp.MatchThreshold = 0.4
+
+       for i, tc := range []TestCase{
+               {"Threshold #1", "abcdefghijk", "efxyhi", 1, 4},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       dmp.MatchThreshold = 0.3
+
+       for i, tc := range []TestCase{
+               {"Threshold #2", "abcdefghijk", "efxyhi", 1, -1},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       dmp.MatchThreshold = 0.0
+
+       for i, tc := range []TestCase{
+               {"Threshold #3", "abcdefghijk", "bcdef", 1, 1},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       dmp.MatchThreshold = 0.5
+
+       for i, tc := range []TestCase{
+               {"Multiple select #1", "abcdexyzabcde", "abccde", 3, 0},
+               {"Multiple select #2", "abcdexyzabcde", "abccde", 5, 8},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       // Strict location.
+       dmp.MatchDistance = 10
+
+       for i, tc := range []TestCase{
+               {"Distance test #1", "abcdefghijklmnopqrstuvwxyz", "abcdefg", 24, -1},
+               {"Distance test #2", "abcdefghijklmnopqrstuvwxyz", "abcdxxefg", 1, 0},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       // Loose location.
+       dmp.MatchDistance = 1000
+
+       for i, tc := range []TestCase{
+               {"Distance test #3", "abcdefghijklmnopqrstuvwxyz", "abcdefg", 24, 0},
+       } {
+               actual := dmp.MatchBitap(tc.Text, tc.Pattern, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+}
+
+func TestMatchMain(t *testing.T) {
+       type TestCase struct {
+               Name string
+
+               Text1    string
+               Text2    string
+               Location int
+
+               Expected int
+       }
+
+       dmp := New()
+
+       for i, tc := range []TestCase{
+               {"Equality", "abcdef", "abcdef", 1000, 0},
+               {"Null text", "", "abcdef", 1, -1},
+               {"Null pattern", "abcdef", "", 3, 3},
+               {"Exact match", "abcdef", "de", 3, 3},
+               {"Beyond end match", "abcdef", "defy", 4, 3},
+               {"Oversized pattern", "abcdef", "abcdefy", 0, 0},
+       } {
+               actual := dmp.MatchMain(tc.Text1, tc.Text2, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %s", i, tc.Name))
+       }
+
+       dmp.MatchThreshold = 0.7
+
+       for i, tc := range []TestCase{
+               {"Complex match", "I am the very model of a modern major general.", " that berry ", 5, 4},
+       } {
+               actual := dmp.MatchMain(tc.Text1, tc.Text2, tc.Location)
+               assert.Equal(t, tc.Expected, actual, fmt.Sprintf("Test case #%d, %#v", i, tc))
+       }
+}