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108 lines
2.1 KiB
108 lines
2.1 KiB
package kcp_test
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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. "github.com/xtls/xray-core/transport/internet/kcp"
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)
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func TestBadSegment(t *testing.T) {
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seg, buf := ReadSegment(nil)
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if seg != nil {
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t.Error("non-nil seg")
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}
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if len(buf) != 0 {
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t.Error("buf len: ", len(buf))
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}
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}
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func TestDataSegment(t *testing.T) {
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seg := &DataSegment{
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Conv: 1,
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Timestamp: 3,
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Number: 4,
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SendingNext: 5,
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}
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seg.Data().Write([]byte{'a', 'b', 'c', 'd'})
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nBytes := seg.ByteSize()
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bytes := make([]byte, nBytes)
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seg.Serialize(bytes)
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iseg, _ := ReadSegment(bytes)
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seg2 := iseg.(*DataSegment)
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if r := cmp.Diff(seg2, seg, cmpopts.IgnoreUnexported(DataSegment{})); r != "" {
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t.Error(r)
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}
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if r := cmp.Diff(seg2.Data().Bytes(), seg.Data().Bytes()); r != "" {
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t.Error(r)
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}
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}
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func Test1ByteDataSegment(t *testing.T) {
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seg := &DataSegment{
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Conv: 1,
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Timestamp: 3,
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Number: 4,
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SendingNext: 5,
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}
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seg.Data().WriteByte('a')
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nBytes := seg.ByteSize()
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bytes := make([]byte, nBytes)
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seg.Serialize(bytes)
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iseg, _ := ReadSegment(bytes)
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seg2 := iseg.(*DataSegment)
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if r := cmp.Diff(seg2, seg, cmpopts.IgnoreUnexported(DataSegment{})); r != "" {
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t.Error(r)
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}
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if r := cmp.Diff(seg2.Data().Bytes(), seg.Data().Bytes()); r != "" {
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t.Error(r)
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}
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}
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func TestACKSegment(t *testing.T) {
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seg := &AckSegment{
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Conv: 1,
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ReceivingWindow: 2,
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ReceivingNext: 3,
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Timestamp: 10,
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NumberList: []uint32{1, 3, 5, 7, 9},
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}
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nBytes := seg.ByteSize()
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bytes := make([]byte, nBytes)
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seg.Serialize(bytes)
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iseg, _ := ReadSegment(bytes)
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seg2 := iseg.(*AckSegment)
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if r := cmp.Diff(seg2, seg); r != "" {
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t.Error(r)
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}
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}
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func TestCmdSegment(t *testing.T) {
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seg := &CmdOnlySegment{
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Conv: 1,
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Cmd: CommandPing,
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Option: SegmentOptionClose,
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SendingNext: 11,
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ReceivingNext: 13,
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PeerRTO: 15,
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}
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nBytes := seg.ByteSize()
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bytes := make([]byte, nBytes)
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seg.Serialize(bytes)
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iseg, _ := ReadSegment(bytes)
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seg2 := iseg.(*CmdOnlySegment)
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if r := cmp.Diff(seg2, seg); r != "" {
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t.Error(r)
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}
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}
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