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Test Info:
- Manifest: docshell/test/mochitest/mochitest.toml
<!DOCTYPE HTML>
<html>
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");
var w = null;
var phase = 0;
var gotWrongPageOnTryAgainClick = false;
// Token that represents which page we currently have loaded.
var token = 0;
function delay(msec) {
return new Promise(resolve => setTimeout(resolve, msec));
}
async function assignToken(tokenToAssign) {
await SpecialPowers.spawn(w, [tokenToAssign],
newToken => { this.content.token = newToken });
}
async function pollForPage() {
while (true) {
try {
// When we do our navigation, there may be an interstitial about:blank
// page if the navigation involves a process switch. That about:blank
// will exist between the new process's docshell being created and the
// actual page that's being loaded loading (which can happen async from
// the docshell creation). We want to avoid treating the initial
// about:blank as a new page.
//
// We could conceivably expose Document::IsInitialDocument() as a
// ChromeOnly thing and use it here, but let's just filter out all
// about:blank, since we don't expect any in this test.
var haveNewPage = await SpecialPowers.spawn(w, [token],
currentToken => this.content.token != currentToken &&
this.content.location.href != "about:blank");
if (haveNewPage) {
++token;
assignToken(token);
break;
}
} catch (e) {
// Something went wrong; just keep waiting.
}
await delay(100);
}
}
async function windowLoaded() {
switch (phase) {
case 0:
assignToken(token);
/* 2. We have succeededfully loaded a page, now go to a faulty URL */
window.setTimeout(function() {
w.location.href = faultyURL;
}, 0);
phase = 1;
await pollForPage(w);
is(await SpecialPowers.spawn(w, [], () => this.content.location.href),
faultyURL,
"Is on an error page initially");
/* 3. now, while we are on the error page, try to reload it, actually
click the "Try Again" button */
SpecialPowers.spawn(w, [], () => this.content.location.reload());
await pollForPage(w);
/* 4-finish, check we are still on the error page */
is(await SpecialPowers.spawn(w, [], () => this.content.location.href),
faultyURL,
"Is on an error page");
is(gotWrongPageOnTryAgainClick, false,
"Must not get www.example.com page on reload of an error page");
w.close();
SimpleTest.finish();
break;
case 1:
/* 4-check, we must not get here! */
gotWrongPageOnTryAgainClick = true;
break;
}
}
function startTest() {
/* 1. load a URL that leads to an error page */
w = window.open(workingURL);
}
</script>
</head>
<body onload="startTest();">
</body>
</html>