зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.7 KiB
HTML
122 строки
3.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script type="text/javascript">
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add_task(async function() {
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// Induce a process switching behavior for example.com
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// with isolateHighValue isolation strategy
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// (because we test specifically process switching behavior here)
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await SpecialPowers.pushPermissions([
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{
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type: "highValueCOOP",
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allow: SpecialPowers.Ci.nsIPermissionManager.ALLOW_ACTION,
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context: "https://example.com",
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}
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]);
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let popup = window.open("blank.html");
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info("opened popup");
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await new Promise(resolve => {
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popup.addEventListener("load", resolve, { once: true });
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});
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info("popup blank.html loaded");
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let tell_opener = new URL("file_tell_opener.html", location.href);
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// eslint-disable-next-line @microsoft/sdl/no-insecure-url
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let xorigin_url = new URL(tell_opener.pathname, "https://example.com");
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let resolveStartedUnload;
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let startedUnload = new Promise(resolve => {
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resolveStartedUnload = resolve;
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});
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let didFinishUnload = false;
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let finishUnload = false;
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popup.addEventListener("unload", function() {
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resolveStartedUnload();
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try {
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// Spin a nested event loop in unload until we set `finishUnload`.
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SpecialPowers.Services.tm.spinEventLoopUntil(
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"Test(test_switch_back_nested.html)", () => finishUnload);
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} finally {
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info("exiting from unload nested event loop...");
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didFinishUnload = true;
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}
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});
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info("wait for message from popup");
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let messagePromise = new Promise(resolve => {
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addEventListener("message", evt => {
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resolve();
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}, { once: true });
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});
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popup.location = xorigin_url.href;
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await messagePromise;
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info("popup loaded, ensuring we're in unload");
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await startedUnload;
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is(didFinishUnload, false, "unload shouldn't have finished");
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let switchStarted = SpecialPowers.spawnChrome([], async () => {
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await new Promise(resolve => {
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async function observer(subject, topic) {
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is(topic, "http-on-examine-response");
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let uri = subject.QueryInterface(Ci.nsIChannel).URI;
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if (!uri.filePath.endsWith("file_tell_opener.html")) {
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return;
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}
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Services.obs.removeObserver(observer, "http-on-examine-response");
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// spin the event loop a few times to ensure we resolve after the process switch
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for (let i = 0; i < 10; ++i) {
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await new Promise(res => Services.tm.dispatchToMainThread(res));
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}
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info("resolving!");
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resolve();
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}
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Services.obs.addObserver(observer, "http-on-examine-response");
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});
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});
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info("Navigating back to the current process");
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await SpecialPowers.spawn(popup, [tell_opener.href], (href) => {
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content.location.href = href;
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});
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let messagePromise2 = new Promise(resolve => {
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addEventListener("message", evt => {
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resolve();
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}, { once: true });
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});
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info("Waiting for the process switch to start");
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await switchStarted;
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// Finish unloading, and wait for the unload to complete
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is(didFinishUnload, false, "unload shouldn't be finished");
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finishUnload = true;
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await new Promise(resolve => setTimeout(resolve, 0));
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is(didFinishUnload, true, "unload should be finished");
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info("waiting for navigation to complete");
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await messagePromise2;
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info("closing popup");
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popup.close();
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ok(true, "Didn't crash");
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});
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</script>
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</pre>
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</body>
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</html>
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