11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_cirequire('../common'); 41cb0ef41Sopenharmony_ciconst assert = require('assert'); 51cb0ef41Sopenharmony_ciconst zlib = require('zlib'); 61cb0ef41Sopenharmony_ci 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ci// windowBits is a special case in zlib. On the compression side, 0 is invalid. 91cb0ef41Sopenharmony_ci// On the decompression side, it indicates that zlib should use the value from 101cb0ef41Sopenharmony_ci// the header of the compressed stream. 111cb0ef41Sopenharmony_ci{ 121cb0ef41Sopenharmony_ci const inflate = zlib.createInflate({ windowBits: 0 }); 131cb0ef41Sopenharmony_ci assert(inflate instanceof zlib.Inflate); 141cb0ef41Sopenharmony_ci} 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ci{ 171cb0ef41Sopenharmony_ci const gunzip = zlib.createGunzip({ windowBits: 0 }); 181cb0ef41Sopenharmony_ci assert(gunzip instanceof zlib.Gunzip); 191cb0ef41Sopenharmony_ci} 201cb0ef41Sopenharmony_ci 211cb0ef41Sopenharmony_ci{ 221cb0ef41Sopenharmony_ci const unzip = zlib.createUnzip({ windowBits: 0 }); 231cb0ef41Sopenharmony_ci assert(unzip instanceof zlib.Unzip); 241cb0ef41Sopenharmony_ci} 251cb0ef41Sopenharmony_ci 261cb0ef41Sopenharmony_ci{ 271cb0ef41Sopenharmony_ci assert.throws(() => zlib.createGzip({ windowBits: 0 }), { 281cb0ef41Sopenharmony_ci code: 'ERR_OUT_OF_RANGE', 291cb0ef41Sopenharmony_ci name: 'RangeError', 301cb0ef41Sopenharmony_ci message: 'The value of "options.windowBits" is out of range. ' + 311cb0ef41Sopenharmony_ci 'It must be >= 9 and <= 15. Received 0' 321cb0ef41Sopenharmony_ci }); 331cb0ef41Sopenharmony_ci} 34