<!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>