refactor progress

packages/time/src/tests/Clock.test.tsx

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {IClock} from '@fluxer/time/src/Clock';
+import {nowMs} from '@fluxer/time/src/Clock';
+import {describe, expect, it} from 'vitest';
+
+describe('nowMs', () => {
+	it('returns the current time in milliseconds by default', () => {
+		const before = Date.now();
+		const value = nowMs();
+		const after = Date.now();
+
+		expect(value).toBeGreaterThanOrEqual(before);
+		expect(value).toBeLessThanOrEqual(after);
+	});
+
+	it('reads time from the provided clock', () => {
+		const fixedClock: IClock = {
+			nowMs(): number {
+				return 1735732800000;
+			},
+		};
+
+		expect(nowMs(fixedClock)).toBe(1735732800000);
+	});
+});