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/*
Checkes if the concurrent cache read/write works when the write is interrupted because of max-entry-size limits.
This is enhancement of 29a test, this test checks that cocurrency is resumed when the first channel is interrupted
in the middle of reading and the second channel already consumed some content from the cache entry.
This test is using a resumable response.
- with a profile, set max-entry-size to 1 (=1024 bytes)
- first channel makes a request for a resumable response
- second channel makes a request for the same resource, concurrent read happens
- first channel sets predicted data size on the entry with every chunk, it's doomed on 1024
- second channel now must engage interrupted concurrent write algorithm and read the rest of the content from the network
- both channels must deliver full content w/o errors
*/
"use strict";
const { HttpServer } = ChromeUtils.importESModule(
"resource://testing-common/httpd.sys.mjs"
);
var httpProtocolHandler = Cc[
"@mozilla.org/network/protocol;1?name=http"
].getService(Ci.nsIHttpProtocolHandler);
ChromeUtils.defineLazyGetter(this, "URL", function () {
return "http://localhost:" + httpServer.identity.primaryPort;
});
var httpServer = null;
function make_channel(url) {
return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
}
// need something bigger than 1024 bytes
const responseBody =
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
function contentHandler(metadata, response) {
response.setHeader("Content-Type", "text/plain");
response.setHeader("ETag", "Just testing");
response.setHeader("Cache-Control", "max-age=99999");
response.setHeader("Accept-Ranges", "bytes");
response.setHeader("Content-Length", "" + responseBody.length);
if (metadata.hasHeader("If-Range")) {
response.setStatusLine(metadata.httpVersion, 206, "Partial Content");
let len = responseBody.length;
response.setHeader("Content-Range", "0-" + (len - 1) + "/" + len);
}
response.bodyOutputStream.write(responseBody, responseBody.length);
}
function run_test() {
// Static check
Assert.ok(responseBody.length > 1024);
do_get_profile();
Services.prefs.setIntPref("browser.cache.disk.max_entry_size", 1);
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
httpServer = new HttpServer();
httpServer.registerPathHandler("/content", contentHandler);
httpServer.start(-1);
httpProtocolHandler.EnsureHSTSDataReady().then(function () {
var chan1 = make_channel(URL + "/content");
chan1.asyncOpen(new ChannelListener(firstTimeThrough, null));
var chan2 = make_channel(URL + "/content");
chan2.asyncOpen(new ChannelListener(secondTimeThrough, null));
});
do_test_pending();
}
function firstTimeThrough(request, buffer) {
Assert.equal(buffer, responseBody);
}
function secondTimeThrough(request, buffer) {
Assert.equal(buffer, responseBody);
httpServer.stop(do_test_finished);
}
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