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Gzip tests added

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This commit is contained in:
n1073645 2019-12-17 12:15:11 +00:00
parent 3a1a6a94d2
commit 5fd2512a9b
3 changed files with 91 additions and 2 deletions
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3
src/core/operations/Gzip.mjs
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@ -6,7 +6,6 @@
import Operation from "../Operation.mjs";
import {COMPRESSION_TYPE, ZLIB_COMPRESSION_TYPE_LOOKUP} from "../lib/Zlib.mjs";
// import zlibAndGzip from "zlibjs/bin/zlib_and_gzip.min.js";
import gzip from "zlibjs/bin/gzip.min.js";
const Zlib = gzip.Zlib;
@ -79,7 +78,7 @@ class Gzip extends Operation {
}
const gzipObj = new Zlib.Gzip(new Uint8Array(input), options);
const compressed = new Uint8Array(gzipObj.compress());
if (options.flags.comment) {
if (options.flags.comment && !(compressed[3] & 0x10)) {
compressed[3] |= 0x10;
}
return compressed.buffer;