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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: docshell/test/chrome/chrome.toml
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
addLoadEvent(test);
// The default flags we will stick on the docShell - every request made by the
// docShell should include those flags.
const TEST_FLAGS = Ci.nsIRequest.LOAD_ANONYMOUS |
Ci.nsIRequest.LOAD_BYPASS_CACHE |
Ci.nsIRequest.INHIBIT_CACHING;
// These are the requests we expect to see loading TEST_URL into our iframe.
// The test entry-point. The basic outline is:
// * Create an iframe and set defaultLoadFlags on its docShell.
// * Add a web progress listener to observe each request as the iframe is
// loaded, and check that each request has the flags we specified.
// * Load our test URL into the iframe and wait for the load to complete.
function test() {
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
var docShell = iframe.contentWindow.docShell;
// Add our progress listener - when it notices the top-level document is
// complete, the test will end.
RequestWatcher.init(docShell, SimpleTest.finish);
// Set the flags we care about, then load our test URL.
docShell.defaultLoadFlags = TEST_FLAGS;
iframe.setAttribute("src", TEST_URL);
}
// an nsIWebProgressListener that checks all requests made by the docShell
// have the flags we expect.
var RequestWatcher = {
init(docShell, callback) {
this.callback = callback;
this.docShell = docShell;
docShell.
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebProgress).
addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_REQUEST |
Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
// These are the requests we expect to see - initialize each to have a
// count of zero.
this.requestCounts = {};
for (var url of [
TEST_URL,
// content loaded by the above test html.
// the content of an iframe in the test html.
]) {
this.requestCounts[url] = 0;
}
},
// Finalize the test after we detect a completed load. We check we saw the
// correct requests and make a callback to exit.
finalize() {
ok(Object.keys(this.requestCounts).length, "we expected some requests");
for (var url in this.requestCounts) {
var count = this.requestCounts[url];
// As we are looking at all request states, we expect more than 1 for
// each URL - 0 or 1 would imply something went wrong - >1 just means
// multiple states for each request were recorded, which we don't care
// about (we do care they all have the correct flags though - but we
// do that in onStateChange)
ok(count > 1, url + " saw " + count + " requests");
}
this.docShell.
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebProgress).
removeProgressListener(this);
this.callback();
},
onStateChange(webProgress, req, flags) {
// We are checking requests - if there isn't one, ignore it.
if (!req) {
return;
}
// We will usually see requests for 'about:document-onload-blocker' not
// have the flag, so we just ignore them.
// skip resource:// URLs too.
// skip chrome:// URLs too.
if (req.name.startsWith("about:") || req.name.startsWith("resource:") ||
req.name.startsWith("chrome:") || req.name.startsWith("documentchannel:")) {
return;
}
is(req.loadFlags & TEST_FLAGS, TEST_FLAGS, "request " + req.name + " has the expected flags");
this.requestCounts[req.name] += 1;
var stopFlags = Ci.nsIWebProgressListener.STATE_STOP |
Ci.nsIWebProgressListener.STATE_IS_DOCUMENT;
if (req.name == TEST_URL && (flags & stopFlags) == stopFlags) {
this.finalize();
}
},
QueryInterface: ChromeUtils.generateQI([
"nsIWebProgressListener",
"nsISupportsWeakReference",
]),
};
</script>
</head>
</html>