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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests for DevToolsUtils.fetch BOM detection.
const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
const BinaryOutputStream = Components.Constructor(
"@mozilla.org/binaryoutputstream;1",
"nsIBinaryOutputStream",
"setOutputStream"
);
function write8(bos) {
bos.write8(0xef);
bos.write8(0xbb);
bos.write8(0xbf);
bos.write8(0x68);
bos.write8(0xc4);
bos.write8(0xb1);
}
function write16be(bos) {
bos.write8(0xfe);
bos.write8(0xff);
bos.write8(0x00);
bos.write8(0x68);
bos.write8(0x01);
bos.write8(0x31);
}
function write16le(bos) {
bos.write8(0xff);
bos.write8(0xfe);
bos.write8(0x68);
bos.write8(0x00);
bos.write8(0x31);
bos.write8(0x01);
}
function getHandler(writer) {
return function (request, response) {
response.setStatusLine(request.httpVersion, 200, "OK");
const bos = new BinaryOutputStream(response.bodyOutputStream);
writer(bos);
};
}
const server = new HttpServer();
server.registerDirectory("/", do_get_cwd());
server.registerPathHandler("/u8", getHandler(write8));
server.registerPathHandler("/u16be", getHandler(write16be));
server.registerPathHandler("/u16le", getHandler(write16le));
server.start(-1);
const port = server.identity.primaryPort;
const serverURL = "http://localhost:" + port;
do_get_profile();
registerCleanupFunction(() => {
return new Promise(resolve => server.stop(resolve));
});
add_task(async function () {
await test_one(serverURL + "/u8", "UTF-8");
await test_one(serverURL + "/u16be", "UTF-16BE");
await test_one(serverURL + "/u16le", "UTF-16LE");
});
async function test_one(url, encoding) {
// Be sure to set the encoding to something that will yield an
// invalid result if BOM sniffing is not done.
await DevToolsUtils.fetch(url, { charset: "ISO-8859-1" }).then(
({ content }) => {
Assert.equal(content, "hı", "The content looks correct for " + encoding);
}
);
}
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