test_multi_sharedWorker_lifetimes_nobfcache.html

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<!DOCTYPE HTML>

<html>

  <head>

    <title>Test for SharedWorker</title>

    <script src="/tests/SimpleTest/SimpleTest.js"></script>

    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">

      <script class="testbody" type="text/javascript">

        "use strict";

        function runTest() {

          const windowRelativeURL = "multi_sharedWorker_frame_nobfcache.html";

          const storedData = "0123456789abcdefghijklmnopqrstuvwxyz";

          var bc, bc2;

          bc = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bugSharedWorkerLiftetime");

          bc.onmessage = (event) => {

            var msg = event.data;

            var command = msg.command;

            if (command == "finished") {

              bc.close();

              bc2.close();

              SimpleTest.finish();

            } else if (command == "debug") {

              info(msg.message);

            } else if (command == "fromWorker" || command == "loaded") {

              sendToGenerator(msg.workerMessage);

          bc2 = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("navigate");

          bc2.onmessage = (event) => {

            if (event.data.command == "loaded") {

              sendToGenerator();

          function postToWorker(workerMessage) {

            bc.postMessage({command: "postToWorker", workerMessage});

          let testGenerator = (function*() {

            SimpleTest.waitForExplicitFinish();

            // Open the window

            window.open(windowRelativeURL, "testWin", "noopener");

            yield undefined;

            // Retrieve data from worker

            postToWorker({ command: "retrieve" });

            let msg = yield undefined;

            // Verify there is no data stored

            is(msg.type, "result", "Got a result message");

            is(msg.data, undefined, "No data stored yet");

            // Store data, and retrieve it

            postToWorker({ command: "store", data: storedData });

            postToWorker({ command: "retrieve" });

            msg = yield undefined;

            // Verify there is data stored

            is(msg.type, "result", "Got a result message");

            is(msg.data, storedData, "Got stored data");

            info("Navigating to a different page");

            // Current subpage should not go into bfcache because of the Cache-Control

            // headers we have set.

            bc.postMessage({command: "navigate", location: "navigate.html"});

            yield undefined;

            info("Navigating to " + windowRelativeURL);

            bc2.postMessage({command: "navigate", location: windowRelativeURL });

            yield undefined;

            postToWorker({ command: "retrieve" });

            msg = yield undefined;

            is(msg.type, "result", "Got a result message");

            is(msg.data, undefined, "No data stored");

            postToWorker({ command: "store", data: storedData });

            postToWorker({ command: "retrieve" });

            msg = yield undefined;

            is(msg.type, "result", "Got a result message");

            is(msg.data, storedData, "Got stored data");

            bc.postMessage({command: "finish"});

          })();

          let sendToGenerator = testGenerator.next.bind(testGenerator);

          testGenerator.next();

        SimpleTest.waitForExplicitFinish();

        runTest();

      </script>

  </head>

  <body>

  </body>

</html>