package modifier

import (
	"errors"
	"testing"
)

func TestErrInvalidPacket_Error(t *testing.T) {
	e := &ErrInvalidPacket{Err: errors.New("bad checksum")}
	want := "invalid packet: bad checksum"
	if got := e.Error(); got != want {
		t.Errorf("Error() = %q, want %q", got, want)
	}
}

func TestErrInvalidArgs_Error(t *testing.T) {
	e := &ErrInvalidArgs{Err: errors.New("missing 'a' arg")}
	want := "invalid args: missing 'a' arg"
	if got := e.Error(); got != want {
		t.Errorf("Error() = %q, want %q", got, want)
	}
}