package lnwire

import (
	"bytes"
	"testing"
)

// TestReplyChannelRangeUnsorted tests that decoding a ReplyChannelRange request
// that contains duplicate or unsorted ids returns an ErrUnsortedSIDs failure.
func TestReplyChannelRangeUnsorted(t *testing.T) {
	for _, test := range unsortedSidTests {
		test := test
		t.Run(test.name, func(t *testing.T) {
			req := &ReplyChannelRange{
				EncodingType: test.encType,
				ShortChanIDs: test.sids,
				noSort:       true,
			}

			var b bytes.Buffer
			err := req.Encode(&b, 0)
			if err != nil {
				t.Fatalf("unable to encode req: %v", err)
			}

			var req2 ReplyChannelRange
			err = req2.Decode(bytes.NewReader(b.Bytes()), 0)
			if _, ok := err.(ErrUnsortedSIDs); !ok {
				t.Fatalf("expected ErrUnsortedSIDs, got: %T",
					err)
			}
		})
	}
}