units/units_test.go

// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
// See the file LICENSE for licensing terms.

package units

import "testing"

// The constants are the whole of this package, so the test is the constants:
// a denomination that drifts by a factor of a thousand is a money bug, and a
// typo here is otherwise invisible.
func TestDenominations(t *testing.T) {
	for _, c := range []struct {
		name string
		got  uint64
		want uint64
	}{
		{"NanoLux", NanoLux, 1},
		{"MicroLux", MicroLux, 1_000},
		{"MilliLux", MilliLux, 1_000_000},
		{"Lux", Lux, 1_000_000_000},
		{"KiloLux", KiloLux, 1_000_000_000_000},
		{"MegaLux", MegaLux, 1_000_000_000_000_000},
		{"Schmeckle", Schmeckle, 49_463},

		{"Wei", Wei, 1},
		{"GWei", GWei, 1_000_000_000},
		{"Ether", Ether, 1_000_000_000_000_000_000},

		{"Second", Second, 1},
		{"Minute", Minute, 60},
		{"Hour", Hour, 3_600},
		{"Day", Day, 86_400},
		{"Week", Week, 604_800},

		{"KiB", KiB, 1 << 10},
		{"MiB", MiB, 1 << 20},
		{"GiB", GiB, 1 << 30},
	} {
		if c.got != c.want {
			t.Errorf("%s = %d; want %d", c.name, c.got, c.want)
		}
	}
}