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Test Info: Warnings
- This test gets skipped with pattern: http3 OR http2
- Manifest: dom/base/test/mochitest.toml
<!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.
-->
<head>
<meta charset="utf-8">
<script 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">
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 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);
// reset the counter
yield resetCounter();
// load the third 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_attr.html';
// check the third test
yield checkResults(finalizePreloadReferrerPolicyAttr);
// complete.
SimpleTest.finish();
})();
// Helper functions below.
/**
* 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.includes('origin'),
"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();
}
/**
* This checks the third test: a test where preload requests of image, style
* should use referrerpolicy attribute and we expect the preloads should not
* be reused
*/
function finalizePreloadReferrerPolicyAttr(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.includes('origin'),
"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>