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package sctp
import (
"reflect"
"testing"
"github.com/stretchr/testify/assert"
)
func TestChunkErrorUnrecognizedChunkType(t *testing.T) {
const chunkFlags byte = 0x00
orgUnrecognizedChunk := []byte{0xc0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x3}
rawIn := append([]byte{byte(ctError), chunkFlags, 0x00, 0x10, 0x00, 0x06, 0x00, 0x0c}, orgUnrecognizedChunk...)
t.Run("unmarshal", func(t *testing.T) {
c := &chunkError{}
err := c.unmarshal(rawIn)
assert.Nil(t, err, "unmarshal should succeed")
assert.Equal(t, ctError, c.typ, "chunk type should be ERROR")
assert.Equal(t, 1, len(c.errorCauses), "there should be on errorCause")
ec := c.errorCauses[0]
assert.Equal(t, unrecognizedChunkType, ec.errorCauseCode(), "cause code should be unrecognizedChunkType")
ecUnrecognizedChunkType, ok := ec.(*errorCauseUnrecognizedChunkType)
assert.True(t, ok)
unrecognizedChunk := ecUnrecognizedChunkType.unrecognizedChunk
assert.True(t, reflect.DeepEqual(unrecognizedChunk, orgUnrecognizedChunk), "should have valid unrecognizedChunk")
})
t.Run("marshal", func(t *testing.T) {
ecUnrecognizedChunkType := &errorCauseUnrecognizedChunkType{
unrecognizedChunk: orgUnrecognizedChunk,
}
ec := &chunkError{
errorCauses: []errorCause{
errorCause(ecUnrecognizedChunkType),
},
}
raw, err := ec.marshal()
assert.Nil(t, err, "marshal should succeed")
assert.True(t, reflect.DeepEqual(raw, rawIn), "unexpected serialization result")
})
t.Run("marshal with cause value being nil", func(t *testing.T) {
expected := []byte{byte(ctError), chunkFlags, 0x00, 0x08, 0x00, 0x06, 0x00, 0x04}
ecUnrecognizedChunkType := &errorCauseUnrecognizedChunkType{}
ec := &chunkError{
errorCauses: []errorCause{
errorCause(ecUnrecognizedChunkType),
},
}
raw, err := ec.marshal()
assert.Nil(t, err, "marshal should succeed")
assert.True(t, reflect.DeepEqual(raw, expected), "unexpected serialization result")
})
}
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