зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1552176 - Unit test for TRRMode for individual channels r=dragana
Differential Revision: https://phabricator.services.mozilla.com/D48362 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Valentin Gosu
Родитель
4252288506
Коммит
aa093f9d4f
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@ -1,6 +1,8 @@
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"use strict";
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const { NodeServer } = ChromeUtils.import("resource://testing-common/httpd.js");
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const { NodeServer, HttpServer } = ChromeUtils.import(
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"resource://testing-common/httpd.js"
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);
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const dns = Cc["@mozilla.org/network/dns-service;1"].getService(
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Ci.nsIDNSService
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);
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@ -99,6 +101,15 @@ registerCleanupFunction(() => {
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Services.prefs.clearUserPref("network.dns.native-is-localhost");
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});
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// This is an IP that is local, so we don't crash when connecting to it,
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// but also connecting to it fails, so we attempt to retry with regular DNS.
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const BAD_IP = (() => {
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if (mozinfo.os == "linux") {
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return "127.9.9.9";
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}
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return "0.0.0.0";
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})();
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class DNSListener {
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constructor(name, expectedAnswer, expectedSuccess = true) {
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this.name = name;
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@ -144,27 +155,140 @@ class DNSListener {
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return this.promise.then.apply(this.promise, arguments);
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}
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}
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Cu.importGlobalProperties(["fetch"]);
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add_task(async function test0_nodeExecute() {
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// This test checks that moz-http2.js running in node is working.
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// This should always be the first test in this file (except for setup)
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// otherwise we may encounter random failures when the http2 server is down.
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let env = Cc["@mozilla.org/process/environment;1"].getService(
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Ci.nsIEnvironment
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equal(
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await NodeServer.execute(`"hello"`),
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"hello",
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"Check that moz-http2.js is running"
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);
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let execPort = env.get("MOZNODE_EXEC_PORT");
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await fetch(`http://127.0.0.1:${execPort}/test`)
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.then(response => {
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ok(true, "NodeServer is working");
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})
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.catch(e => {
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ok(false, `There was an error ${e}`);
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});
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});
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function makeChan(url, mode) {
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let chan = NetUtil.newChannel({
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uri: url,
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loadUsingSystemPrincipal: true,
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}).QueryInterface(Ci.nsIHttpChannel);
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chan.setTRRMode(mode);
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return chan;
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}
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add_task(
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{ skip_if: () => mozinfo.os == "mac" },
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async function test_trr_flags() {
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let httpserv = new HttpServer();
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httpserv.registerPathHandler("/", function handler(metadata, response) {
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let content = "ok";
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response.setHeader("Content-Length", `${content.length}`);
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response.bodyOutputStream.write(content, content.length);
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});
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httpserv.start(-1);
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const URL = `http://example.com:${httpserv.identity.primaryPort}/`;
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dns.clearCache(true);
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Services.prefs.setCharPref(
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"network.trr.uri",
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`https://localhost:${h2Port}/doh?responseIP=${BAD_IP}`
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);
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Services.prefs.setIntPref("network.trr.mode", 0);
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dns.clearCache(true);
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let chan = makeChan(URL, Ci.nsIRequest.TRR_DEFAULT_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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equal(chan.getTRRMode(), Ci.nsIRequest.TRR_DEFAULT_MODE);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DISABLED_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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equal(chan.getTRRMode(), Ci.nsIRequest.TRR_DISABLED_MODE);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_FIRST_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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equal(chan.getTRRMode(), Ci.nsIRequest.TRR_FIRST_MODE);
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dns.clearCache(true);
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chan = makeChan(
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`http://example.com:${httpserv.identity.primaryPort}/`,
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Ci.nsIRequest.TRR_ONLY_MODE
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);
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// Should fail as it tries to connect to local but unavailable IP
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await new Promise(resolve =>
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chan.asyncOpen(new ChannelListener(resolve, null, CL_EXPECT_FAILURE))
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);
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equal(chan.getTRRMode(), Ci.nsIRequest.TRR_ONLY_MODE);
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dns.clearCache(true);
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Services.prefs.setCharPref(
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"network.trr.uri",
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`https://localhost:${h2Port}/doh?responseIP=${BAD_IP}`
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);
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Services.prefs.setIntPref("network.trr.mode", 2);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DEFAULT_MODE);
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// Does get the IP from TRR, but failure means it falls back to DNS.
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DISABLED_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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// Does get the IP from TRR, but failure means it falls back to DNS.
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chan = makeChan(URL, Ci.nsIRequest.TRR_FIRST_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_ONLY_MODE);
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await new Promise(resolve =>
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chan.asyncOpen(new ChannelListener(resolve, null, CL_EXPECT_FAILURE))
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);
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dns.clearCache(true);
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Services.prefs.setCharPref(
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"network.trr.uri",
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`https://localhost:${h2Port}/doh?responseIP=${BAD_IP}`
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);
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Services.prefs.setIntPref("network.trr.mode", 3);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DEFAULT_MODE);
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await new Promise(resolve =>
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chan.asyncOpen(new ChannelListener(resolve, null, CL_EXPECT_FAILURE))
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);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DISABLED_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_FIRST_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_ONLY_MODE);
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await new Promise(resolve =>
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chan.asyncOpen(new ChannelListener(resolve, null, CL_EXPECT_FAILURE))
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);
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dns.clearCache(true);
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Services.prefs.setIntPref("network.trr.mode", 5);
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Services.prefs.setCharPref(
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"network.trr.uri",
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`https://localhost:${h2Port}/doh?responseIP=1.1.1.1`
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);
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DEFAULT_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_DISABLED_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_FIRST_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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dns.clearCache(true);
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chan = makeChan(URL, Ci.nsIRequest.TRR_ONLY_MODE);
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await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve)));
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await new Promise(resolve => httpserv.stop(resolve));
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}
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);
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// verify basic A record
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add_task(async function test1() {
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dns.clearCache(true);
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@ -1018,9 +1142,9 @@ add_task(async function test_connection_closed_no_bootstrap_localhost() {
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});
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add_task(async function test_connection_closed_no_bootstrap_no_excluded() {
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// This test exists to document what happens when we're in TRR only mode
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// and we don't set a bootstrap address. We use DNS to resolve the
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// initial URI, but if the connection fails, we don't fallback to DNS
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// This test makes sure that even in mode 3 without a bootstrap address
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// we are able to restart the TRR connection if it drops - the TRR service
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// channel will use regular DNS to resolve the TRR address.
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dns.clearCache(true);
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Services.prefs.setIntPref("network.trr.mode", 3); // TRR-only
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Services.prefs.setCharPref("network.trr.excluded-domains", "");
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@ -1040,11 +1164,8 @@ add_task(async function test_connection_closed_no_bootstrap_no_excluded() {
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!Components.isSuccessCode(inStatus),
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`${inStatus} should be an error code`
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);
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[, , inStatus] = await new DNSListener("bar2.example.com", undefined, false);
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Assert.ok(
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!Components.isSuccessCode(inStatus),
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`${inStatus} should be an error code`
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);
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dns.clearCache(true);
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await new DNSListener("bar2.example.com", "3.3.3.3");
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});
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add_task(async function test_connection_closed_trr_first() {
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