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package dhcpv6
import (
"bytes"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestOptElapsedTime(t *testing.T) {
opt, err := parseOptElapsedTime([]byte{0xaa, 0xbb})
if err != nil {
t.Fatal(err)
}
if elapsedTime := opt.ElapsedTime; elapsedTime != 0xaabb*10*time.Millisecond {
t.Fatalf("Invalid elapsed time. Expected 0xaabb, got %v", elapsedTime)
}
}
func TestOptElapsedTimeToBytes(t *testing.T) {
opt := OptElapsedTime(0)
expected := []byte{0, 0}
if toBytes := opt.ToBytes(); !bytes.Equal(expected, toBytes) {
t.Fatalf("Invalid ToBytes output. Expected %v, got %v", expected, toBytes)
}
}
func TestOptElapsedTimeString(t *testing.T) {
opt := OptElapsedTime(100 * time.Millisecond)
expected := "ElapsedTime: 100ms"
if optString := opt.String(); optString != expected {
t.Fatalf("Invalid elapsed time string. Expected %v, got %v", expected, optString)
}
}
func TestOptElapsedTimeParseInvalidOption(t *testing.T) {
_, err := parseOptElapsedTime([]byte{0xaa})
require.Error(t, err, "A short option should return an error")
_, err = parseOptElapsedTime([]byte{0xaa, 0xbb, 0xcc})
require.Error(t, err, "An option with too many bytes should return an error")
}
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