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products/sources/formale Sprachen/C/Firefox/dom/base/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 3 kB

Quelle test_postMessages_broadcastChannel.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/test_postMessages_broadcastChannel.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for postMessages cloning/transferring objects</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <script src="common_postMessages.js"></script>
</head>

<body>
<input id="fileList" type="file"></input>
<script type="application/javascript">

// PostMessage for BroadcastChannel
tests.push(function test_broadcastChannel() {
  info("Testing broadcastChannel");

  var bc1 = new BroadcastChannel('postMessagesTest');
  var bc2 = new BroadcastChannel('postMessagesTest');

  var resolve;

  function resolvePromise(data) {
    if (!resolve) {
      ok(false, "Unexpected message!");
      return;
    }

    let tmp = resolve;
    resolve = null;
    tmp(data);
  }

  bc2.onmessage = function(e) {
    resolvePromise({ data: e.data, ports: [], error: false });
  }

  bc2.onmessageerror = function(e) {
    resolvePromise({ error: true });
  }

  runTests({
    clonableObjectsEveryWhere: true,
    clonableObjectsSameProcess: true,
    transferableObjects: false,
    send(what, ports) {
      return new Promise(function(r, rr) {
        if (ports.length) {
          rr();
          return;
        }

        resolve = r;
        bc1.postMessage(what);
      });
    },

    finished() {
      bc1.close();
      bc2.close();
      next();
    }
  });
});

// PostMessage for BroadcastChannel in workers
tests.push(function test_broadcastChannel_inWorkers() {
  info("Testing broadcastChannel in Workers");

  var bc = new BroadcastChannel('postMessagesTest_inWorkers');
  var resolve;

  var w = new Worker('worker_postMessages.js');
  w.postMessage('broadcastChannel');
  w.onmessage = function(e) {
    is(e.data, 'ok', "Worker ready!");

    w.onmessage = function(e1) {
      if (!resolve) {
        ok(false, "Unexpected message!");
        return;
      }

      let tmp = resolve;
      resolve = null;
      tmp({ data: e1.data, ports: e1.ports, error: e1.data === "error" });
    }

    runTests({
      clonableObjectsEveryWhere: true,
      clonableObjectsSameProcess: true,
      transferableObjects: false,
      send(what, ports) {
        return new Promise(function(r, rr) {
          if (ports.length) {
            rr();
            return;
          }

          resolve = r;
          bc.postMessage(what);
        });
      },

      finished() {
        bc.close();
        w.terminate();
        next();
      }
    });
  }
});

// PostMessage for BroadcastChannel in SharedWorkers
tests.push(function test_broadcastChannel_inSharedWorkers() {
  info("Testing broadcastChannel in SharedWorkers");

  var bc = new BroadcastChannel('postMessagesTest_inWorkers');
  var resolve;

  var w = new SharedWorker('worker_postMessages.js');
  w.port.postMessage('broadcastChannel');
  w.port.onmessage = function(e) {
    is(e.data, 'ok', "Worker ready!");

    w.port.onmessage = function(e1) {
      if (!resolve) {
        ok(false, "Unexpected message!");
        return;
      }

      let tmp = resolve;
      resolve = null;
      tmp({ data: e1.data, ports: e1.ports, error: e1.data === "error" });
    }

    runTests({
      clonableObjectsEveryWhere: true,
      clonableObjectsSameProcess: false,
      transferableObjects: false,
      send(what, ports) {
        return new Promise(function(r, rr) {
          if (ports.length) {
            rr();
            return;
          }

          resolve = r;
          bc.postMessage(what);
        });
      },

      finished() {
        bc.close();
        w.port.postMessage("terminate");
        next();
      }
    });
  }
});

SimpleTest.waitForExplicitFinish();
next();

</script>
</body>
</html>

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