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bufio: use strings.Builder
Change-Id: Ia8d6cea75b32c8839837c1bb1e13cde9b236abdd Reviewed-on: https://go-review.googlesource.com/c/go/+/435939 Run-TryBot: xie cui <523516579@qq.com> Reviewed-by: Robert Griesemer <gri@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org>
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@ -746,7 +746,7 @@ func TestNewWriterSizeIdempotent(t *testing.T) {
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func TestWriteString(t *testing.T) {
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const BufSize = 8
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buf := new(bytes.Buffer)
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buf := new(strings.Builder)
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b := NewWriterSize(buf, BufSize)
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b.WriteString("0") // easy
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b.WriteString("123456") // still easy
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@ -757,8 +757,8 @@ func TestWriteString(t *testing.T) {
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t.Error("WriteString", err)
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}
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s := "01234567890abcdefghijklmnopqrstuvwxyz"
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if string(buf.Bytes()) != s {
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t.Errorf("WriteString wants %q gets %q", s, string(buf.Bytes()))
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if buf.String() != s {
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t.Errorf("WriteString wants %q gets %q", s, buf.String())
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}
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}
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@ -1389,7 +1389,7 @@ func TestWriterReadFromUntilEOF(t *testing.T) {
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t.Fatalf("ReadFrom returned (%v, %v), want (4, nil)", n2, err)
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}
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w.Flush()
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if got, want := string(buf.Bytes()), "0123abcd"; got != want {
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if got, want := buf.String(), "0123abcd"; got != want {
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t.Fatalf("buf.Bytes() returned %q, want %q", got, want)
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}
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}
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