tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_fetch-bom.js (2074B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 "use strict";
      4 
      5 // Tests for DevToolsUtils.fetch BOM detection.
      6 
      7 const { HttpServer } = ChromeUtils.importESModule(
      8  "resource://testing-common/httpd.sys.mjs"
      9 );
     10 const BinaryOutputStream = Components.Constructor(
     11  "@mozilla.org/binaryoutputstream;1",
     12  "nsIBinaryOutputStream",
     13  "setOutputStream"
     14 );
     15 
     16 function write8(bos) {
     17  bos.write8(0xef);
     18  bos.write8(0xbb);
     19  bos.write8(0xbf);
     20  bos.write8(0x68);
     21  bos.write8(0xc4);
     22  bos.write8(0xb1);
     23 }
     24 
     25 function write16be(bos) {
     26  bos.write8(0xfe);
     27  bos.write8(0xff);
     28  bos.write8(0x00);
     29  bos.write8(0x68);
     30  bos.write8(0x01);
     31  bos.write8(0x31);
     32 }
     33 
     34 function write16le(bos) {
     35  bos.write8(0xff);
     36  bos.write8(0xfe);
     37  bos.write8(0x68);
     38  bos.write8(0x00);
     39  bos.write8(0x31);
     40  bos.write8(0x01);
     41 }
     42 
     43 function getHandler(writer) {
     44  return function (request, response) {
     45    response.setStatusLine(request.httpVersion, 200, "OK");
     46 
     47    const bos = new BinaryOutputStream(response.bodyOutputStream);
     48    writer(bos);
     49  };
     50 }
     51 
     52 const server = new HttpServer();
     53 server.registerDirectory("/", do_get_cwd());
     54 server.registerPathHandler("/u8", getHandler(write8));
     55 server.registerPathHandler("/u16be", getHandler(write16be));
     56 server.registerPathHandler("/u16le", getHandler(write16le));
     57 server.start(-1);
     58 
     59 const port = server.identity.primaryPort;
     60 const serverURL = "http://localhost:" + port;
     61 
     62 do_get_profile();
     63 
     64 registerCleanupFunction(() => {
     65  return new Promise(resolve => server.stop(resolve));
     66 });
     67 
     68 add_task(async function () {
     69  await test_one(serverURL + "/u8", "UTF-8");
     70  await test_one(serverURL + "/u16be", "UTF-16BE");
     71  await test_one(serverURL + "/u16le", "UTF-16LE");
     72 });
     73 
     74 async function test_one(url, encoding) {
     75  // Be sure to set the encoding to something that will yield an
     76  // invalid result if BOM sniffing is not done.
     77  await DevToolsUtils.fetch(url, { charset: "ISO-8859-1" }).then(
     78    ({ content }) => {
     79      Assert.equal(content, "hı", "The content looks correct for " + encoding);
     80    }
     81  );
     82 }