nodejs/test/parallel/test-zlib-empty-buffer.js

27 lines
1.1 KiB
JavaScript

'use strict';
require('../common');
const zlib = require('zlib');
const { inspect, promisify } = require('util');
const assert = require('assert');
const emptyBuffer = Buffer.alloc(0);
(async function() {
for (const [ compress, decompress, method ] of [
[ zlib.deflateRawSync, zlib.inflateRawSync, 'raw sync' ],
[ zlib.deflateSync, zlib.inflateSync, 'deflate sync' ],
[ zlib.gzipSync, zlib.gunzipSync, 'gzip sync' ],
[ zlib.brotliCompressSync, zlib.brotliDecompressSync, 'br sync' ],
[ promisify(zlib.deflateRaw), promisify(zlib.inflateRaw), 'raw' ],
[ promisify(zlib.deflate), promisify(zlib.inflate), 'deflate' ],
[ promisify(zlib.gzip), promisify(zlib.gunzip), 'gzip' ],
[ promisify(zlib.brotliCompress), promisify(zlib.brotliDecompress), 'br' ]
]) {
const compressed = await compress(emptyBuffer);
const decompressed = await decompress(compressed);
assert.deepStrictEqual(
emptyBuffer, decompressed,
`Expected ${inspect(compressed)} to match ${inspect(decompressed)} ` +
`to match for ${method}`);
}
})();