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Bug 1688767 - Change layout/base/tests/test_bug607529.html to use BroadcastChannel, r=smaug

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Differential Revision: https://phabricator.services.mozilla.com/D103189
This commit is contained in:
Anny Gakhokidze 2021-01-28 00:19:23 +00:00
parent 316d0eefad
commit f105a0c763
3 changed files with 62 additions and 36 deletions
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13
layout/base/tests/file_bug607529-1.html
View File

@ -1 +1,12 @@
<script>window.onload = function() { opener.postMessage('goback', '*'); }</script>
<script>
var bc_1 = new BroadcastChannel("bug607529_1");
bc_1.onmessage = (msgEvent) => {
if (msgEvent.data == "navigateBack") {
bc_1.close();
history.back();
}
}
window.onload = function() {
bc_1.postMessage('goback');
}
</script>

33
layout/base/tests/file_bug607529.html
View File

@ -1,40 +1,51 @@
<!DOCTYPE html>
<script>
var bc = new BroadcastChannel("bug607529");
var closed = false;
window.onerror = function(msg, url, line) {
var myMsg = JSON.stringify({msg: msg, url: url, line: line, error: true});
opener.postMessage(myMsg, "*");
bc.postMessage(myMsg);
}
var report = false;
function g() {
if (report) {
opener.postMessage("callbackHappened", "*");
if (report && !closed) {
bc.postMessage("callbackHappened");
}
window.requestAnimationFrame(g);
}
g();
bc.onmessage = function (e) {
var msg = e.data;
if (msg == "report") {
report = true;
} else if (msg == "navigateToPage") {
window.location = "file_bug607529-1.html";
} else if (msg == "close") {
bc.postMessage("closed");
bc.close();
closed = true;
window.close();
}
};
window.onload = function() {
opener.postMessage("loaded", "*");
bc.postMessage("loaded");
}
addEventListener("pagehide", function f(e) {
if (!e.persisted && !report) {
opener.postMessage("notcached", "*");
bc.postMessage("notcached");
}
}, false);
addEventListener("pageshow", function f(e) {
if (e.persisted) {
opener.postMessage("revived", "*");
bc.postMessage("revived");
}
}, false);
window.onmessage = function (e) {
if (e.data == "report") {
report = true;
}
};
</script>

52
layout/base/tests/test_bug607529.html
View File

@ -26,20 +26,15 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=607529
var done = false;
/** Test for Bug 607529 **/
function closeWindowAndFinish() {
w.close();
window.onmessage = null;
SimpleTest.finish();
}
window.onmessage = function(e) {
isnot(e.data, "notcached", "Should never end up not being cached");
if (e.data == "loaded") {
var bc = new BroadcastChannel("bug607529");
var bc_1 = new BroadcastChannel("bug607529_1");
bc.onmessage = (msgEvent) => {
var msg = msgEvent.data;
isnot(msg, "notcached", "Should never end up not being cached");
if (msg == "loaded") {
if (!doneOneLoad) {
doneOneLoad = true;
w.location = "file_bug607529-1.html";
bc.postMessage("navigateToPage");
} else {
// This is unexpected, but it can happen on Android, probably when
// bfcache gets purged due to memory pressure. Hence, "soft fail" there.
@ -53,13 +48,10 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=607529
closeWindowAndFinish();
}
}
else if (e.data == "goback") {
w.history.back();
else if (msg == "revived") {
bc.postMessage("report");
}
else if (e.data == "revived") {
w.postMessage("report", "*");
}
else if (e.data == "callbackHappened") {
else if (msg == "callbackHappened") {
// We might get this message more than once, if the other page queues up
// more than one callbackHappened message before we manage to close it.
// Protect against calling SimpleTest.finish() more than once.
@ -67,22 +59,34 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=607529
closeWindowAndFinish();
done = true;
}
} else if (msg == "closed") {
bc.close();
bc_1.close();
SimpleTest.finish();
} else {
try {
var msg = JSON.parse(e.data);
var jsonMsg = JSON.parse(msg);
} catch (ex) {
// In case JSON.parse throws, we pause to print the string that it
// choked on, and then resume throwing the exception.
ok(false, "JSON.parse threw, when passed string '" + e.data + "'");
ok(false, "JSON.parse threw, when passed string '" + jsonMsg + "'");
throw ex;
}
if (msg.error) {
window.onerror(msg.msg, msg.url, msg.line);
if (jsonMsg.error) {
window.onerror(jsonMsg.msg, jsonMsg.url, jsonMsg.line);
}
}
};
}
bc_1.onmessage = (msgEvent) => {
if (msgEvent.data == "goback") {
bc_1.postMessage("navigateBack");
}
}
function closeWindowAndFinish() {
bc.postMessage("close");
}
var w = window.open("file_bug607529.html");
window.open("file_bug607529.html", "", "noopener");
</script>
</pre>
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