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Test Info:
- Manifest: netwerk/test/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
Services.prefs.setBoolPref("network.early-hints.enabled", true);
Services.prefs.setBoolPref("network.early-hints.preconnect.enabled", true);
Services.prefs.setBoolPref("network.http.debug-observations", true);
Services.prefs.setIntPref("network.early-hints.preconnect.max_connections", 10);
registerCleanupFunction(function () {
Services.prefs.clearUserPref("network.early-hints.enabled");
Services.prefs.clearUserPref("network.early-hints.preconnect.enabled");
Services.prefs.clearUserPref("network.http.debug-observations");
Services.prefs.clearUserPref(
"network.early-hints.preconnect.max_connections"
);
});
// Test steps:
// 1. Load early_hint_preconnect_html.sjs
// 2. In early_hint_preconnect_html.sjs, a 103 response with
// "rel=preconnect" is returned.
// 3. We use "speculative-connect-request" topic to observe whether the
// speculative connection is attempted.
// 4. Finally, we check if the observed URL is the same as the expected.
async function test_hint_preconnect(href, crossOrigin) {
let requestUrl = `https://example.com/browser/netwerk/test/browser/early_hint_preconnect_html.sjs?href=${href}&crossOrigin=${crossOrigin}`;
let observed = "";
let observer = {
QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
observe(aSubject, aTopic, aData) {
if (aTopic == "speculative-connect-request") {
Services.obs.removeObserver(observer, "speculative-connect-request");
observed = aData;
}
},
};
Services.obs.addObserver(observer, "speculative-connect-request");
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: requestUrl,
waitForLoad: true,
},
async function () {}
);
// Extracting "localhost:443"
let hostPortRegex = /\[.*\](.*?)\^/;
let hostPortMatch = hostPortRegex.exec(observed);
let hostPort = hostPortMatch ? hostPortMatch[1] : "";
// Extracting "%28https%2Cexample.com%29"
let partitionKeyRegex = /\^partitionKey=(.*)$/;
let partitionKeyMatch = partitionKeyRegex.exec(observed);
let partitionKey = partitionKeyMatch ? partitionKeyMatch[1] : "";
// See nsHttpConnectionInfo::BuildHashKey, the second character is A if this
// is an anonymous connection.
let anonymousFlag = observed[2];
Assert.equal(anonymousFlag, crossOrigin === "use-credentials" ? "." : "A");
Assert.equal(hostPort, "localhost:443");
Assert.equal(partitionKey, "%28https%2Cexample.com%29");
}
add_task(async function test_103_preconnect() {
});