1 files changed, 39 insertions, 0 deletions
diff --git a/dhcpv4/option_parameter_request_list_test.go b/dhcpv4/option_parameter_request_list_test.go
new file mode 100644
index 0000000..4441b29
--- /dev/null
+++ b/dhcpv4/option_parameter_request_list_test.go
@@ -0,0 +1,39 @@
+package dhcpv4
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestOptParameterRequestListInterfaceMethods(t *testing.T) {
+	requestedOpts := []OptionCode{OptionBootfileName, OptionNameServer}
+	o := &OptParameterRequestList{RequestedOpts: requestedOpts}
+	require.Equal(t, OptionParameterRequestList, o.Code(), "Code")
+
+	expectedBytes := []byte{55, 2, 67, 5}
+	require.Equal(t, expectedBytes, o.ToBytes(), "ToBytes")
+
+	expectedString := "Parameter Request List -> [67 5]"
+	require.Equal(t, expectedString, o.String(), "String")
+}
+
+func TestParseOptParameterRequestList(t *testing.T) {
+	var (
+		o   *OptParameterRequestList
+		err error
+	)
+	o, err = ParseOptParameterRequestList([]byte{})
+	require.Error(t, err, "empty byte stream")
+
+	o, err = ParseOptParameterRequestList([]byte{55, 2})
+	require.Error(t, err, "short byte stream")
+
+	o, err = ParseOptParameterRequestList([]byte{53, 2, 1, 1})
+	require.Error(t, err, "wrong option code")
+
+	o, err = ParseOptParameterRequestList([]byte{55, 2, 67, 5})
+	require.NoError(t, err)
+	expectedOpts := []OptionCode{OptionBootfileName, OptionNameServer}
+	require.Equal(t, expectedOpts, o.RequestedOpts)
+}