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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1742540</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+ <script>
+
+SimpleTest.waitForExplicitFinish();
+
+add_task(function setupPrefs() {
+ return SpecialPowers.pushPrefEnv({
+ set: [
+ ["dom.serviceWorkers.enabled", true],
+ ["dom.serviceWorkers.testing.enabled", true],
+ ],
+ });
+});
+
+function get_file() {
+ return new Promise(resolve => {
+ let xhr = new XMLHttpRequest();
+ xhr.open("GET", "/dynamic/getMyDirectory.sjs", false);
+ xhr.send();
+ let basePath = xhr.responseText;
+
+ let script = SpecialPowers.loadChromeScript(
+ SimpleTest.getTestFileURL("create_file_objects.js")
+ );
+ script.addMessageListener("created-file-objects", files => {
+ resolve(files[0]);
+ });
+ script.sendAsyncMessage("create-file-objects", {
+ fileNames: [basePath + "file_mozfiledataurl_audio.ogg"],
+ });
+ });
+}
+
+function wait_for_message(port, expected_message) {
+ return new Promise(resolve => {
+ port.onmessage = event => {
+ port.onmessage = null;
+ ok(event.data === expected_message, event.data);
+ resolve();
+ };
+ });
+}
+
+function unregister_and_done(registration) {
+ return registration.unregister().then(() => {
+ ok(true, "Will find leaks of nsPipe in BloatView without fix.");
+ SimpleTest.finish;
+ });
+}
+
+add_task(async function send_file_to_serviceworker() {
+ let registration = await navigator.serviceWorker
+ .register("worker_bug1742540.js", { scope: "./" })
+ .then(() => {
+ return navigator.serviceWorker.ready;
+ });
+
+ ok(registration.active, "ServiceWorker is activated");
+
+ let file = await get_file();
+ ok(file.size > 100000, "File size is big enough.");
+ let message = "ServiceWorker receives a file and did not reference it.";
+ let channel = new MessageChannel();
+ let received = wait_for_message(channel.port1, message);
+ registration.active.postMessage({ port: channel.port2, message, file }, [
+ channel.port2,
+ ]);
+ await received;
+
+ let finish = await unregister_and_done(registration);
+});
+
+ </script>
+</body>
+</html>