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<!DOCTYPE HTML>
<html>
<!--
This is a spot check for whether the speculative parser reuses style, script or image loads after the referrer policy has changed.
https://bugzilla.mozilla.org/show_bug.cgi?id=704320
-->
<head>
<meta charset="utf-8">
<title>Test preloads for Bug 704320</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="referrerHelper.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="application/javascript;version=1.7">
SimpleTest.waitForExplicitFinish();
var advance = function() { tests.next(); };
/**
* This is the main test routine -- serialized by use of a generator.
* It resets the counter, then performs two tests in sequence using
* the same iframe.
*/
var tests = (function() {
var iframe = document.getElementById("testframe");
// reset the counter
yield resetCounter();
// load the first test frame
// it will call back into this function via postMessage when it finishes loading.
// and continue beyond the yield.
yield iframe.src = 'file_bug704320_preload_noreuse.html';
// check the first test
yield checkResults(finalizePreloadNoreuse);
// reset the counter
yield resetCounter();
// load the second test frame
// it will call back into this function via postMessage when it finishes loading.
// and continue beyond the yield.
yield iframe.src = 'file_bug704320_preload_reuse.html';
// check the second test
yield checkResults(finalizePreloadReuse);
// complete. Be sure to yield so we don't call this twice.
yield SimpleTest.finish();
})();
// Helper functions below.
/**
* This checks the first test: a test where the preloads should not
* be reused. * we expect two requests for each image, script, js request
* since the referrer policy changed after speculative loads were started.
* Problem is that the "origin"/revised loads won't necessarily happen,
* so we test for one or two loads (both are OK) and make the 'origin'
* referrer optional.
*/
function finalizePreloadNoreuse(results) {
console.log("<br/><pre>" + JSON.stringify(results) + "</pre>");
var expected = {'css': {'count': 2, 'referrers': ['full', 'origin']},
'img': {'count': 2, 'referrers': ['full', 'origin']},
'js': {'count': 2, 'referrers': ['full', 'origin']}};
for (var x in expected) {
ok(x in results, "some " + x + " loads required in results object.");
ok(results[x].count == 1 || results[x].count == 2,
"Expected 1-2 loads for " + x + " requests.");
// the 'full' preload is optional, but required if count > 1
if (results[x].count > 1) {
ok(results[x].referrers.indexOf('full') >= 0,
"More than one load for " + x + ", so expected an 'full' referrer preload.")
}
// 'origin' (final load) is required
ok(results[x].referrers.indexOf('origin') >= 0,
"One load for " + x + " should have had 'origin' referrer.");
// no other values should be in the referrers.
is(results[x].referrers.indexOf('none'), -1,
"No loads for " + x + " should have a missing referrer.");
}
advance();
}
/**
* This checks the second test: a test where preloads SHOULD be reused.
* We expect one request for each image, script, js request since
* the referrer policy does not change after speculative loads.
*/
function finalizePreloadReuse(results) {
var expected = {'css': {'count': 1, 'referrers': ['origin']},
'img': {'count': 1, 'referrers': ['origin']},
'js': {'count': 1, 'referrers': ['origin']}};
for (var x in expected) {
ok(x in results, "some " + x + " loads required in results object.");
is(results[x].count, expected[x].count,
"Expected " + expected[x].count + " loads for " + x + " requests.");
// 'origin' is required
ok(results[x].referrers.indexOf('origin') >= 0,
"One load for " + x + " should have had 'origin' referrer.");
// no other values should be in the referrers.
is(results[x].referrers.indexOf('none'), -1,
"No loads for " + x + " should have a missing referrer.");
is(results[x].referrers.indexOf('full'), -1,
"No loads for " + x + " should have an 'full' referrer.")
}
advance();
}
/**
* Grabs the results via XHR and passes to checker.
*/
function checkResults(checker) {
doXHR('/tests/dom/base/test/bug704320_counter.sjs?results',
function(xhr) {
checker(JSON.parse(xhr.responseText));
},
function(xhr) {
ok(false, "Can't get results from the counter server.");
});
}
</script>
</head>
<body onload="tests.next();">
<iframe id="testframe"></iframe>
</body>
</html>
|
