tests

Author: oXtxNt9U

packages/utils/source/validator-set-pack.test.ts

@@ -10,4 +10,29 @@ describe("validatorSet", async ({ assert, it }) => {
 	it("should unpack it", () => {
 		assert.equal(validatorSetUnpack(3n, 4), [true, true, false, false]);
 	});
+
+	it("should pack and unpack", () => {
+		const validatorSet = [true, true, false, false];
+		const packed = validatorSetPack(validatorSet);
+		const unpacked = validatorSetUnpack(packed, validatorSet.length);
+
+		assert.equal(unpacked, validatorSet);
+	});
+
+	it("should reject invalid packed validator set", () => {
+		const validatorSet = [true, true, true, true];
+		const packed = validatorSetPack(validatorSet);
+
+		assert.throws(() => validatorSetUnpack(0n, 0), "`numberOfValidators` must be a non-negative integer");
+		assert.throws(() => validatorSetUnpack(0n, -10), "`numberOfValidators` must be a non-negative integer");
+		assert.throws(() => validatorSetUnpack(0n, 1.1), "`numberOfValidators` must be a non-negative integer");
+		assert.throws(() => validatorSetUnpack(0n, -0.1), "`numberOfValidators` must be a non-negative integer");
+		assert.throws(() => validatorSetUnpack(0n, 0.2), "`numberOfValidators` must be a non-negative integer");
+		assert.throws(
+			() => validatorSetUnpack(0n, "4" as unknown as number),
+			"`numberOfValidators` must be a non-negative integer",
+		);
+		assert.throws(() => validatorSetUnpack(packed, 3), "`packed` contains set bits beyond `numberOfValidators`");
+		assert.throws(() => validatorSetUnpack(-1n, 3), "`packed` must be non-negative");
+	});
 });