@microsoft/connected-workbooks/dist/tests/arrayUtils.test.js

Microsoft backed, Excel advanced xlsx workbook generation JavaScript library

"use strict";
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
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Object.defineProperty(exports, "__esModule", { value: true });
var utils_1 = require("../src/utils/");
var base64 = __importStar(require("base64-js"));
describe("ArrayReader tests", function () {
    var buffer = base64.toByteArray("UHJhaXNlIFRoZSBTdW4h").buffer;
    var arrReader = new utils_1.arrayUtils.ArrayReader(buffer);
    test("getInt32 test", function () {
        var int32 = arrReader.getInt32();
        expect(int32).toEqual(1767993936);
        expect(arrReader._position).toEqual(4);
    });
    test("getBytes test", function () {
        var bytes = arrReader.getBytes(4);
        expect(bytes).toEqual(new Uint8Array([115, 101, 32, 84]));
        expect(arrReader._position).toEqual(8);
    });
    test("reset test", function () {
        arrReader.reset();
        expect(arrReader._position).toEqual(0);
    });
});
test("getInt32Buffer test", function () {
    var size = 4;
    var val = 4;
    var packageSizeBuffer = new ArrayBuffer(size);
    new DataView(packageSizeBuffer).setInt32(0, val, true);
    var expected = new Uint8Array(packageSizeBuffer);
    var actual = utils_1.arrayUtils.getInt32Buffer(size);
    expect(actual).toStrictEqual(expected);
});
test("concatArrays test", function () {
    var uIntArr1 = new Uint8Array(4).fill(5);
    var uIntArr2 = new Uint8Array(2).fill(10);
    var expected = new Uint8Array(6);
    expected.set(uIntArr1, 0);
    expected.set(uIntArr2, 4);
    var actual = utils_1.arrayUtils.concatArrays(uIntArr1, uIntArr2);
    expect(actual).toStrictEqual(expected);
});