@akala/core/dist/esm/test/buffer.js

import { describe, it } from 'node:test';
import { IsomorphicBuffer } from '../helpers.js';
import assert from 'node:assert/strict';
describe('buffer should handle all functions', () => {
    [
        // IsomorphicBuffer.prototype.readBigInt64BE, IsomorphicBuffer.prototype.readBigInt64LE,
        // IsomorphicBuffer.prototype.readBigUInt64BE, IsomorphicBuffer.prototype.readBigUInt64LE,
        'Double',
        'Float',
        'Int16',
        'Int32',
        'Int8',
        'UInt16',
        'UInt32',
        'UInt8',
    ].forEach(f => {
        const endianess = [];
        if (f.endsWith('8'))
            endianess.push('');
        else
            endianess.push('BE', 'LE');
        endianess.forEach(endianess => {
            it('should handle ' + f + endianess, () => {
                const buffer = Buffer.from('The red dog jumps over the lazy fox');
                const isobuffer = IsomorphicBuffer.fromBuffer(buffer);
                let byteLength;
                switch (f) {
                    case 'Double':
                        byteLength = 8;
                        break;
                    case 'Int32':
                    case 'UInt32':
                    case 'Float':
                        byteLength = 4;
                        break;
                    case 'Int16':
                    case 'UInt16':
                        byteLength = 2;
                        break;
                    case 'Int8':
                    case 'UInt8':
                        byteLength = 1;
                        break;
                }
                const res = isobuffer['read' + f + endianess](0);
                assert.equal(res, buffer['read' + f + endianess](0));
                const res2 = isobuffer['read' + f + endianess](isobuffer.length - byteLength);
                assert.equal(res2, buffer['read' + f + endianess](buffer.length - byteLength));
            });
        });
    });
});
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