if string(got) != tt.want || err != nil {
				t.Errorf("%s: Marshal(%q):\n\tgot:  (%q, %v)\n\twant: (%q, nil)", tt.Where, tt.in, got, err, tt.want)
			}
		})
	}
}

func TestMarshalNumberZeroVal(t *testing.T) {
	var n Number
	out, err := Marshal(n)
	if err != nil {
		t.Fatalf("Marshal error: %v", err)
	}
	got := string(out)
	if got != "0" {