Add min covered

frontend/sync-client/src/utils/min-covered.test.ts

@@ -0,0 +1,48 @@
+import { CoveredValues } from "./min-covered";
+
+describe("CoveredValues", () => {
+	test("should initialize with the given min value", () => {
+		const covered = new CoveredValues(5);
+		expect(covered.min).toBe(5);
+	});
+
+	test("should add values greater than min", () => {
+		const covered = new CoveredValues(0);
+		covered.add(3);
+		expect(covered.min).toBe(0);
+		covered.add(1);
+		expect(covered.min).toBe(1);
+		covered.add(4);
+		expect(covered.min).toBe(1);
+		covered.add(2);
+		expect(covered.min).toBe(4);
+	});
+
+	test("should ignore duplicate values", () => {
+		const covered = new CoveredValues(0);
+		covered.add(3);
+		covered.add(3);
+		covered.add(3);
+		expect(covered.min).toBe(0);
+		covered.add(1);
+		covered.add(2);
+		expect(covered.min).toBe(3);
+	});
+
+	test("should handle multiple consecutive values", () => {
+		const covered = new CoveredValues(132);
+		for (let i = 250; i > 132; i--) {
+			expect(covered.min).toBe(132);
+			covered.add(i);
+		}
+		expect(covered.min).toBe(250);
+	});
+
+	test("should handle adding values lower than current min", () => {
+		const covered = new CoveredValues(5);
+		covered.add(3);
+		expect(covered.min).toBe(5);
+		covered.add(6);
+		expect(covered.min).toBe(6);
+	});
+});