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package dhcpv4
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestOptMaximumDHCPMessageSize(t *testing.T) {
o := OptMaxMessageSize(1500)
require.Equal(t, OptionMaximumDHCPMessageSize, o.Code, "Code")
require.Equal(t, []byte{5, 220}, o.Value.ToBytes(), "ToBytes")
require.Equal(t, "Maximum DHCP Message Size: 1500", o.String())
}
func TestGetMaximumDHCPMessageSize(t *testing.T) {
m, _ := New(WithGeneric(OptionMaximumDHCPMessageSize, []byte{5, 220}))
o, err := m.MaxMessageSize()
require.NoError(t, err)
require.Equal(t, uint16(1500), o)
// Short byte stream
m, _ = New(WithGeneric(OptionMaximumDHCPMessageSize, []byte{2}))
_, err = m.MaxMessageSize()
require.Error(t, err, "should get error from short byte stream")
// Bad length
m, _ = New(WithGeneric(OptionMaximumDHCPMessageSize, []byte{2, 2, 2}))
_, err = m.MaxMessageSize()
require.Error(t, err, "should get error from bad length")
}
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