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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Test for SharedWorker</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<script class="testbody" type="text/javascript;version=1.7">
"use strict";
const scrollbarPref = "layout.testing.overlay-scrollbars.always-visible";
const bfCacheEnabledPref = "browser.sessionhistory.cache_subframes";
const bfCacheDepthPref = "browser.sessionhistory.max_total_viewers";
const bfCacheDepth = 10;
const frameRelativeURL = "multi_sharedWorker_frame.html";
const storedData = "0123456789abcdefghijklmnopqrstuvwxyz";
let testGenerator = (function() {
SimpleTest.waitForExplicitFinish();
// Force scrollbar to always be shown. The scrollbar setting is
// necessary to avoid the fade-in/fade-out from evicting our document
// from the BF cache below. If bug 1049277 is fixed, then we can
// stop setting the scrollbar pref here.
SpecialPowers.pushPrefEnv({ set: [[scrollbarPref, true]] },
sendToGenerator);
yield undefined;
window.addEventListener("message", function(event) {
if (typeof(event.data) == "string") {
info(event.data);
} else {
sendToGenerator(event);
}
});
let frame = document.getElementById("frame");
frame.src = frameRelativeURL;
frame.onload = sendToGenerator;
yield undefined;
frame = frame.contentWindow;
frame.postMessage({ command: "retrieve" }, "*");
let event = yield undefined;
ok(event instanceof MessageEvent, "Got a MessageEvent");
is(event.source, frame, "Correct window got the event");
is(event.data.type, "result", "Got a result message");
is(event.data.data, undefined, "No data stored yet");
frame.postMessage({ command: "store", data: storedData }, "*");
frame.postMessage({ command: "retrieve" }, "*");
event = yield undefined;
ok(event instanceof MessageEvent, "Got a MessageEvent");
is(event.source, frame, "Correct window got the event");
is(event.data.type, "result", "Got a result message");
is(event.data.data, storedData, "Got stored data");
// Navigate when the bfcache is disabled.
info("Navigating to about:blank");
frame = document.getElementById("frame");
frame.onload = sendToGenerator;
frame.src = "about:blank";
frame.contentWindow.document.body.offsetTop;
yield undefined;
info("Navigating to " + frameRelativeURL);
frame.src = frameRelativeURL;
frame.contentWindow.document.body.offsetTop;
yield undefined;
frame = frame.contentWindow;
frame.postMessage({ command: "retrieve" }, "*");
event = yield undefined;
ok(event instanceof MessageEvent, "Got a MessageEvent");
is(event.source, frame, "Correct window got the event");
is(event.data.type, "result", "Got a result message");
is(event.data.data, undefined, "No data stored");
frame.postMessage({ command: "store", data: storedData }, "*");
frame.postMessage({ command: "retrieve" }, "*");
event = yield undefined;
ok(event instanceof MessageEvent, "Got a MessageEvent");
is(event.source, frame, "Correct window got the event");
is(event.data.type, "result", "Got a result message");
is(event.data.data, storedData, "Got stored data");
info("Enabling '" + bfCacheEnabledPref + "' pref");
SpecialPowers.pushPrefEnv({ set: [[bfCacheEnabledPref, true],
[bfCacheDepthPref, bfCacheDepth]] },
sendToGenerator);
yield undefined;
// Navigate when the bfcache is enabled.
frame = document.getElementById("frame");
frame.onload = sendToGenerator;
info("Navigating to about:blank");
frame.src = "about:blank";
frame.contentWindow.document.body.offsetTop;
yield undefined;
for (let i = 0; i < 3; i++) {
info("Running GC");
SpecialPowers.exactGC(sendToGenerator);
yield undefined;
info("Waiting the event queue to clear");
SpecialPowers.executeSoon(sendToGenerator);
yield undefined;
}
info("Navigating to " + frameRelativeURL);
frame.src = frameRelativeURL;
frame.contentWindow.document.body.offsetTop;
yield undefined;
frame = frame.contentWindow;
frame.postMessage({ command: "retrieve" }, "*");
event = yield undefined;
ok(event instanceof MessageEvent, "Got a MessageEvent");
is(event.source, frame, "Correct window got the event");
is(event.data.type, "result", "Got a result message");
is(event.data.data, storedData, "Still have data stored");
info("Resetting '" + bfCacheEnabledPref + "' pref");
SpecialPowers.popPrefEnv(sendToGenerator);
yield undefined;
window.removeEventListener("message", sendToGenerator);
SimpleTest.finish();
yield undefined;
})();
let sendToGenerator = testGenerator.send.bind(testGenerator);
</script>
</head>
<body onload="testGenerator.next();">
<iframe id="frame"></iframe>
</body>
</html>
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