blob: cecf6040bac1d398aab2426e02c8db04ee36561d [file] [log] [blame]
<!-- webkit-test-runner [ enablePageCache=true ] -->
<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<script>
description('Tests that a page that has a MessagePort with a pending message can enter PageCache.');
window.jsTestIsAsync = true;
let afterPageCacheRestore = false;
window.addEventListener("pageshow", function(event) {
debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
if (event.persisted) {
testPassed("Page did enter and was restored from the page cache");
afterPageCacheRestore = true;
}
}, false);
window.addEventListener("pagehide", function(event) {
debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
if (!event.persisted) {
testFailed("Page did not enter the page cache.");
finishJSTest();
}
port2.postMessage("foo");
}, false);
window.addEventListener('load', function() {
channel = new MessageChannel();
port1 = channel.port1;
port1.onmessage = (_e) => {
e = _e;
shouldBeEqualToString("e.data", "foo");
shouldBeTrue("afterPageCacheRestore");
finishJSTest();
};
port2 = channel.port2;
// This needs to happen outside the onload handler so that a history
// item is created.
setTimeout(function() {
// Force a back navigation back to this page.
window.location = "resources/page-cache-helper.html";
}, 0);
}, false);
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>