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+<!--
+ Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Bug 982726 - Test service worker post message </title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="display: none"></div>
+<pre id="test"></pre>
+<script class="testbody" type="text/javascript">
+ /**
+ *
+ */
+ let iframe;
+ let registration;
+
+ function start() {
+ return new Promise(resolve => {
+ const content = document.getElementById("content");
+ ok(content, "Parent exists.");
+
+ iframe = document.createElement("iframe");
+ iframe.setAttribute("src", "sw_clients/refresher_compressed.html");
+
+ /*
+ * The initial iframe must be the _uncached_ version, which means its
+ * load must happen before the Service Worker's `activate` event.
+ * Rather than `waitUntil`-ing the Service Worker's `install` event
+ * until the load finishes (more concurrency, but involves coordinating
+ * `postMessage`s), just ensure the load finishes before registering
+ * the Service Worker (which is simpler).
+ */
+ iframe.onload = resolve;
+
+ content.appendChild(iframe);
+ }).then(async () => {
+ /*
+ * There's no need _here_ to explicitly wait for this Service Worker to be
+ * "activated"; this test will progress when the "READY"/"READY_CACHED"
+ * messages are received from the iframe, and the iframe will only send
+ * those messages once the Service Worker is "activated" (by chaining on
+ * its `navigator.serviceWorker.ready` promise).
+ */
+ registration = await navigator.serviceWorker.register(
+ "force_refresh_worker.js", { scope: "./sw_clients/" });
+ });
+ }
+
+ function unregister() {
+ return registration.unregister().then(function(result) {
+ ok(result, "Unregister should return true.");
+ }, function(e) {
+ dump("Unregistering the SW failed with " + e + "\n");
+ });
+ }
+
+ function testForceRefresh(swr) {
+ return new Promise(function(res, rej) {
+ var count = 0;
+ var cachedCount = 0;
+ window.onmessage = function(e) {
+ if (e.data === "READY") {
+ count += 1;
+ if (count == 2) {
+ is(cachedCount, 1, "should have received cached message before " +
+ "second non-cached message");
+ res();
+ }
+ iframe.contentWindow.postMessage("REFRESH", "*");
+ } else if (e.data === "READY_CACHED") {
+ cachedCount += 1;
+ is(count, 1, "should have received non-cached message before " +
+ "cached message");
+ iframe.contentWindow.postMessage("FORCE_REFRESH", "*");
+ }
+ }
+ }).then(() => document.getElementById("content").removeChild(iframe));
+ }
+
+ function runTest() {
+ start()
+ .then(testForceRefresh)
+ .then(unregister)
+ .catch(function(e) {
+ ok(false, "Some test failed with error " + e);
+ }).then(SimpleTest.finish);
+ }
+
+ SimpleTest.waitForExplicitFinish();
+ SpecialPowers.pushPrefEnv({"set": [
+ ["dom.serviceWorkers.exemptFromPerDomainMax", true],
+ ["dom.serviceWorkers.enabled", true],
+ ["dom.serviceWorkers.testing.enabled", true],
+ ["dom.caches.enabled", true],
+ ]}, runTest);
+</script>
+</pre>
+</body>
+</html>