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+<!-- Any copyright is dedicated to the Public Domain.
+ - http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test Cache with QuotaManager Restart</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="large_url_list.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<script class="testbody" type="text/javascript">
+function setupTestIframe() {
+ return new Promise(function(resolve) {
+ var iframe = document.createElement("iframe");
+ iframe.src = "empty.html";
+ iframe.onload = function() {
+ window.caches = iframe.contentWindow.caches;
+ resolve();
+ };
+ document.body.appendChild(iframe);
+ });
+}
+
+function clearStorage() {
+ return new Promise(function(resolve, reject) {
+ var qms = SpecialPowers.Services.qms;
+ var principal = SpecialPowers.wrap(document).nodePrincipal;
+ var request = qms.clearStoragesForPrincipal(principal);
+ var cb = SpecialPowers.wrapCallback(resolve);
+ request.callback = cb;
+ });
+}
+
+function storageUsage() {
+ return new Promise(function(resolve, reject) {
+ var qms = SpecialPowers.Services.qms;
+ var principal = SpecialPowers.wrap(document).nodePrincipal;
+ var cb = SpecialPowers.wrapCallback(function(request) {
+ var result = request.result;
+ resolve(result.usage, result.fileUsage);
+ });
+ qms.getUsageForPrincipal(principal, cb);
+ });
+}
+
+function resetStorage() {
+ return new Promise(function(resolve, reject) {
+ var qms = SpecialPowers.Services.qms;
+ var request = qms.reset();
+ var cb = SpecialPowers.wrapCallback(resolve);
+ request.callback = cb;
+ });
+}
+
+function gc() {
+ return new Promise(function(resolve, reject) {
+ SpecialPowers.exactGC(resolve);
+ });
+}
+
+SimpleTest.waitForExplicitFinish();
+SpecialPowers.pushPrefEnv({
+ "set": [["dom.caches.enabled", true],
+ ["dom.caches.testing.enabled", true],
+ ["dom.quotaManager.testing", true]],
+}, function() {
+ var name = 'foo';
+ var cache = null;
+ var initialUsage = 0;
+ var fullUsage = 0;
+ var endUsage = 0;
+ // start from a fresh origin directory so other tests do not influence our
+ // results
+ setupTestIframe().then(function() {
+ return clearStorage();
+ }).then(function() {
+ return storageUsage();
+ }).then(function(usage) {
+ is(0, usage, 'disk usage should be zero to start');
+ return caches.open(name);
+ }).then(function(c) {
+ cache = c;
+ return storageUsage();
+ }).then(function(usage) {
+ initialUsage = usage;
+ return Promise.all(largeUrlList.map(function(url) {
+ return cache.put(new Request(url), new Response());
+ }));
+ }).then(function() {
+ return cache.keys();
+ }).then(function(keyList) {
+ is(keyList.length, largeUrlList.length, 'Large URL list is stored in cache');
+ cache = null;
+ // Ensure the Cache DOM object is gone before proceeding. If its alive
+ // it will keep the related entries on-disk as well.
+ return gc();
+ }).then(function() {
+ // reset the quota manager storage to ensure the DB connection is flushed
+ return resetStorage();
+ }).then(function() {
+ return storageUsage();
+ }).then(function(usage) {
+ fullUsage = usage;
+ ok(fullUsage > initialUsage, 'disk usage should have grown');
+ return caches.delete(name);
+ }).then(function(result) {
+ ok(result, 'cache should be deleted');
+ // This is a bit superfluous, but its necessary to make sure the Cache is
+ // fully deleted before we proceed. The deletion actually takes place in
+ // two async steps. We don't want to resetStorage() until the second step
+ // has taken place. This extra Cache operation ensure that all the
+ // runnables have been flushed through the threads, etc.
+ return caches.has(name);
+ }).then(function(result) {
+ ok(!result, 'cache should not exist in storage');
+ // reset the quota manager storage to ensure the DB connection is flushed
+ return resetStorage();
+ }).then(function() {
+ return storageUsage();
+ }).then(function(usage) {
+ endUsage = usage;
+ dump("### ### initial:" + initialUsage + ", full:" + fullUsage +
+ ", end:" + endUsage + "\n");
+ ok(endUsage < (fullUsage / 2), 'disk usage should have shrank significantly');
+ ok(endUsage > initialUsage, 'disk usage should not shrink back to orig size');
+ SimpleTest.finish();
+ });
+});
+</script>
+</body>
+</html>