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products/Sources/formale Sprachen/C/Firefox/dom/workers/test/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 8 kB

Quelle test_multi_sharedWorker.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/workers/test/test_multi_sharedWorker.html

<!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";

        const basePath =
          location.pathname.substring(0,
                                      location.pathname.lastIndexOf("/") + 1);
        const baseURL = location.origin + basePath;

        const frameRelativeURL = "multi_sharedWorker_frame.html";
        const frameAbsoluteURL = baseURL + frameRelativeURL;
        const workerAbsoluteURL =
          baseURL + "multi_sharedWorker_sharedWorker.js";

        const storedData = "0123456789abcdefghijklmnopqrstuvwxyz";
        const errorMessage = "Error: Expected";
        const errorLineno = 34;

        let testGenerator = (function*() {
          SimpleTest.waitForExplicitFinish();

          window.addEventListener("message", function(event) {
            if (typeof(event.data) == "string") {
              info(event.data);
            } else {
              sendToGenerator(event);
            }
          });

          let frame1 = document.getElementById("frame1");
          frame1.src = frameRelativeURL;
          frame1.onload = sendToGenerator;

          yield undefined;

          frame1 = frame1.contentWindow;

          let frame2 = document.getElementById("frame2");
          frame2.src = frameAbsoluteURL;
          frame2.onload = sendToGenerator;

          yield undefined;

          frame2 = frame2.contentWindow;

          let data = {
            command: "start"
          };

          frame1.postMessage(data, "*");
          frame2.postMessage(data, "*");

          let event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame1, "First window got the event");
          is(event.data.type, "connect", "Got a connect message");

          data = {
            command: "retrieve"
          };
          frame1.postMessage(data, "*");

          event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame1, "First window got the event");
          is(event.data.type, "result", "Got a result message");
          is(event.data.data, undefined, "No data stored yet");

          frame2.postMessage(data, "*");

          event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame2, "Second window got the event");
          is(event.data.type, "result", "Got a result message");
          is(event.data.data, undefined, "No data stored yet");

          data = {
            command: "store",
            data: storedData
          };
          frame2.postMessage(data, "*");

          data = {
            command: "retrieve"
          };
          frame1.postMessage(data, "*");

          event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame1, "First window got the event");
          is(event.data.type, "result", "Got a result message");
          is(event.data.data, storedData, "Got stored data");

          // This will generate two MessageEvents, one for each window.
          let sawFrame1Error = false;
          let sawFrame2Error = false;

          data = {
            command: "error"
          };
          frame1.postMessage(data, "*");

          // First event.
          event = yield undefined;

          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.data.type, "worker-error", "Got an error message");
          is(event.data.message, errorMessage, "Got correct error message");
          is(event.data.filename, workerAbsoluteURL, "Got correct filename");
          is(event.data.lineno, errorLineno, "Got correct lineno");
          if (event.source == frame1) {
            is(sawFrame1Error, false, "Haven't seen error for frame1 yet");
            sawFrame1Error = true;
          } else if (event.source == frame2) {
            is(sawFrame2Error, false, "Haven't seen error for frame1 yet");
            sawFrame2Error = true;
          } else {
            ok(false, "Saw error from unknown window");
          }

          // Second event
          event = yield undefined;

          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.data.type, "worker-error", "Got an error message");
          is(event.data.message, errorMessage, "Got correct error message");
          is(event.data.filename, workerAbsoluteURL, "Got correct filename");
          is(event.data.lineno, errorLineno, "Got correct lineno");
          if (event.source == frame1) {
            is(sawFrame1Error, false, "Haven't seen error for frame1 yet");
            sawFrame1Error = true;
          } else if (event.source == frame2) {
            is(sawFrame2Error, false, "Haven't seen error for frame1 yet");
            sawFrame2Error = true;
          } else {
            ok(false, "Saw error from unknown window");
          }

          is(sawFrame1Error, true, "Saw error for frame1");
          is(sawFrame2Error, true, "Saw error for frame2");

          // This will generate two MessageEvents, one for each window.
          sawFrame1Error = false;
          sawFrame2Error = false;

          data = {
            command: "error"
          };
          frame1.postMessage(data, "*");

          // First event.
          event = yield undefined;

          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.data.type, "error", "Got an error message");
          is(event.data.message, errorMessage, "Got correct error message");
          is(event.data.filename, workerAbsoluteURL, "Got correct filename");
          is(event.data.lineno, errorLineno, "Got correct lineno");
          is(event.data.isErrorEvent, true, "Frame got an ErrorEvent");
          if (event.source == frame1) {
            is(sawFrame1Error, false, "Haven't seen error for frame1 yet");
            sawFrame1Error = true;
          } else if (event.source == frame2) {
            is(sawFrame2Error, false, "Haven't seen error for frame1 yet");
            sawFrame2Error = true;
          } else {
            ok(false, "Saw error from unknown window");
          }

          // Second event
          event = yield undefined;

          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.data.type, "error", "Got an error message");
          is(event.data.message, errorMessage, "Got correct error message");
          is(event.data.filename, workerAbsoluteURL, "Got correct filename");
          is(event.data.lineno, errorLineno, "Got correct lineno");
          is(event.data.isErrorEvent, true, "Frame got an ErrorEvent");
          if (event.source == frame1) {
            is(sawFrame1Error, false, "Haven't seen error for frame1 yet");
            sawFrame1Error = true;
          } else if (event.source == frame2) {
            is(sawFrame2Error, false, "Haven't seen error for frame1 yet");
            sawFrame2Error = true;
          } else {
            ok(false, "Saw error from unknown window");
          }

          is(sawFrame1Error, true, "Saw error for frame1");
          is(sawFrame2Error, true, "Saw error for frame2");

          // Try a shared worker in a different origin.
          frame1 = document.getElementById("frame1");
          frame1.src = "http://example.org" + basePath + frameRelativeURL;
          frame1.onload = sendToGenerator;
          yield undefined;

          frame1 = frame1.contentWindow;

          data = {
            command: "retrieve"
          };
          frame1.postMessage(data, "*");

          event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame1, "First window got the event");
          is(event.data.type, "result", "Got a result message");
          is(event.data.data, undefined, "No data stored yet");

          frame2.postMessage(data, "*");

          event = yield undefined;
          ok(event instanceof MessageEvent, "Got a MessageEvent");
          is(event.source, frame2, "First window got the event");
          is(event.data.type, "result", "Got a result message");
          is(event.data.data, storedData, "Got stored data");

          window.removeEventListener("message", sendToGenerator);

          SimpleTest.finish();
        })();

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

      </script>
  </head>
  <body onload="testGenerator.next();">
    <iframe id="frame1"></iframe>
    <iframe id="frame2"></iframe>
  </body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet am 2026-08-24) ¤

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