<!
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 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>
