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package sideband64k_test
import (
"bufio"
"bytes"
"errors"
"testing"
"codeberg.org/lindenii/furgit/protocol/sideband64k"
)
func TestDecoderResyncAfterOverMaxData(t *testing.T) {
t.Parallel()
var b bytes.Buffer
bw := bufio.NewWriter(&b)
enc := sideband64k.NewEncoder(bw)
err := enc.WriteData([]byte("abcd"))
if err != nil {
t.Fatalf("WriteData #1: %v", err)
}
err = enc.WriteData([]byte("z"))
if err != nil {
t.Fatalf("WriteData #2: %v", err)
}
err = enc.FlushIO()
if err != nil {
t.Fatalf("FlushIO: %v", err)
}
dec := sideband64k.NewDecoder(bytes.NewReader(b.Bytes()), sideband64k.ReadOptions{})
dec.SetMaxData(1)
_, err = dec.ReadFrame()
if !errors.Is(err, sideband64k.ErrTooLarge) {
t.Fatalf("got err %v, want ErrTooLarge", err)
}
f, err := dec.ReadFrame()
if err != nil {
t.Fatalf("ReadFrame #2: %v", err)
}
if f.Type != sideband64k.FrameData || string(f.Payload) != "z" {
t.Fatalf("got frame %#v, want data z", f)
}
}
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