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/*
* Bug 1264572 - A test case for image cache isolation.
*/
requestLongerTimeout(2);
let { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
const NUM_ISOLATION_LOADS = 2;
const NUM_CACHED_LOADS = 1;
let gHits = 0;
let server = new HttpServer();
server.registerPathHandler("/image.png", imageHandler);
server.registerPathHandler("/file.html", fileHandler);
server.start(-1);
// Disable rcwn to make cache behavior deterministic.
let rcwnEnabled = Services.prefs.getBoolPref("network.http.rcwn.enabled");
Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
registerCleanupFunction(() => {
Services.prefs.setBoolPref("network.http.rcwn.enabled", rcwnEnabled);
server.stop(() => {
server = null;
});
});
let BASE_URI = "http://localhost:" + server.identity.primaryPort;
let IMAGE_URI = BASE_URI + "/image.png";
let FILE_URI = BASE_URI + "/file.html";
function imageHandler(metadata, response) {
info("XXX: loading image from server");
gHits++;
response.setHeader("Cache-Control", "max-age=10000", false);
response.setStatusLine(metadata.httpVersion, 200, "OK");
response.setHeader("Content-Type", "image/png", false);
var body = atob(
"iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAIAAADZSiLoAAAAEUlEQVQImWP4z8AAQTAamQkAhpcI+DeMzFcAAAAASUVORK5CYII="
);
response.bodyOutputStream.write(body, body.length);
}
function fileHandler(metadata, response) {
response.setStatusLine(metadata.httpVersion, 200, "OK");
response.setHeader("Content-Type", "text/html", false);
let body = `<html><body><image src=${IMAGE_URI}></body></html>`;
response.bodyOutputStream.write(body, body.length);
}
async function doBefore() {
await SpecialPowers.pushPrefEnv({
set: [["privacy.partition.network_state", false]],
});
// reset hit counter
info("XXX resetting gHits");
gHits = 0;
info("XXX clearing image cache");
let imageCache = Cc["@mozilla.org/image/tools;1"]
.getService(Ci.imgITools)
.getImgCacheForDocument(null);
imageCache.clearCache(true);
imageCache.clearCache(false);
info("XXX clearning network cache");
Services.cache2.clear();
}
// the test function does nothing on purpose.
function doTest(aBrowser) {
return 0;
}
// the check function
function doCheck(shouldIsolate, a, b) {
// if we're doing first party isolation and the image cache isolation is
// working, then gHits should be 2 because the image would have been loaded
// one per first party domain. if first party isolation is disabled, then
// gHits should be 1 since there would be one image load from the server and
// one load from the image cache.
info(`XXX check: gHits == ${gHits}, shouldIsolate == ${shouldIsolate}`);
return shouldIsolate
? gHits == NUM_ISOLATION_LOADS
: gHits == NUM_CACHED_LOADS;
}
IsolationTestTools.runTests(FILE_URI, doTest, doCheck, doBefore);
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