func TestMaybeColor(t *testing.T) {
var m, c gohue.MaybeColor
v := gohue.NewColor(0.4, 0.6)
m.Set(v)
if m != gohue.NewMaybeColor(v) {
t.Error("MaybeColor Set broken.")
}
verifyString(t, "Just (0.4000, 0.6000)", m.String())
m.Clear()
if m != c {
t.Error("MaybeColor Clear broken.")
}
verifyString(t, "Nothing", m.String())
}
