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encoding/json: rely on utf8.AppendRune 

Change-Id: I50e5609ff9c5f2b216b93cec7fb5214d196cae90
Reviewed-on: https://go-review.googlesource.com/c/go/+/412537
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
This commit is contained in:
Joe Tsai 2022-06-15 17:25:12 -07:00 committed by Gopher Robot
parent e0388c92d0
commit 0f42e35fee
1 changed files with 3 additions and 9 deletions
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12
src/encoding/json/fold_test.go
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@ -52,9 +52,7 @@ func TestFold(t *testing.T) {
}
func TestFoldAgainstUnicode(t *testing.T) {
const bufSize = 5
buf1 := make([]byte, 0, bufSize)
buf2 := make([]byte, 0, bufSize)
var buf1, buf2 []byte
var runes []rune
for i := 0x20; i <= 0x7f; i++ {
runes = append(runes, rune(i))
@ -96,12 +94,8 @@ func TestFoldAgainstUnicode(t *testing.T) {
continue
}
for _, r2 := range runes {
buf1 := append(buf1[:0], 'x')
buf2 := append(buf2[:0], 'x')
buf1 = buf1[:1+utf8.EncodeRune(buf1[1:bufSize], r)]
buf2 = buf2[:1+utf8.EncodeRune(buf2[1:bufSize], r2)]
buf1 = append(buf1, 'x')
buf2 = append(buf2, 'x')
buf1 = append(utf8.AppendRune(append(buf1[:0], 'x'), r), 'x')
buf2 = append(utf8.AppendRune(append(buf2[:0], 'x'), r2), 'x')
want := bytes.EqualFold(buf1, buf2)
if got := ff.fold(buf1, buf2); got != want {
t.Errorf("%s(%q, %q) = %v; want %v", ff.name, buf1, buf2, got, want)