44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
import {expect} from "chai";
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import {concatUint8Arrays, isZeroUint8Array} from "../../../src/helpers/utils.js";
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import {hexToBytesNode} from "../../util.js";
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describe("helpers / bytes", () => {
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describe("isZeroUint8Array", () => {
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const testCases: {isZero: boolean; hex: string}[] = [
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{hex: "0x00", isZero: true},
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{hex: "0x" + "00".repeat(32), isZero: true},
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{hex: "0x" + "00".repeat(96), isZero: true},
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{hex: "0x" + "00".repeat(31) + "01", isZero: false},
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{
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hex: "0xb6f21199594b56d77670564bf422cb331d5281ca2c1f9a45588a56881d8287ef8619efa6456d6cd2ef61306aa5b21311",
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isZero: false,
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},
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];
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for (const {hex, isZero} of testCases) {
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it(`${hex} isZero = ${isZero}`, () => {
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const bytes = hexToBytesNode(hex);
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expect(isZeroUint8Array(bytes)).to.equal(isZero);
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});
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}
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});
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describe("concatUint8Arrays", () => {
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it("Should merge multiple Uint8Array", () => {
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const bytesArr = [
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new Uint8Array([1, 2, 3]),
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new Uint8Array([4, 5]),
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new Uint8Array([6]),
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new Uint8Array([7, 8]),
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new Uint8Array([9, 10, 11]),
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];
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const expectedBytes = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);
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const bytes = concatUint8Arrays(bytesArr);
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expect(bytes.toString()).to.equal(expectedBytes.toString());
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});
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});
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});
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