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products/Sources/formale Sprachen/C/Firefox/dom/messagechannel/tests/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 5 kB

Quelle test_messageChannel_start.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/messagechannel/tests/test_messageChannel_start.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 677638 - start/close</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=677638">Mozilla Bug 677638</a>
<div id="content"></div>
<pre id="test">
</pre>
  <script type="application/javascript">

  function runTests() {
    if (!tests.length) {
      SimpleTest.finish();
      return;
    }

    var test = tests.shift();
    test();
  }

  function testOnMessage() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 2;

    a.port1.onmessage = function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    }

    a.port2.onmessage = function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    }
  }

  function testAddEventListener() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    a.port1.addEventListener('message', function() {
      ok(false, "This method should not be called");
    });

    a.port2.addEventListener('message', function() {
      ok(false, "This method should not be called");
    });

    setTimeout(runTests, 0);
  }

  function testAddEventListenerAndStart() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 2;

    a.port1.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });

    a.port2.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });

    a.port1.start();
    a.port2.start();
  }

  function testAddEventListener1AndStart() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 1;

    a.port1.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });

    a.port2.addEventListener('message', function() {
      ok(false, "This method should not be called");
    });

    a.port1.start();
  }

  function testAddEventListener2AndStart() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 1;

    a.port1.addEventListener('message', function() {
      ok(false, "This method should not be called");
    });

    a.port2.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });

    a.port2.start();
  }

  function testTimer() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    setTimeout(function() {
      var events = 2;
      a.port1.onmessage = function() {
        ok(true, "This method should be called");
        if (!--events) runTests();
      }

      a.port2.onmessage = function() {
        ok(true, "This method should be called");
        if (!--events) runTests();
      }
    }, 200);
  }

  function testAddEventListenerAndStartWrongOrder() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 2;

    a.port1.start();
    a.port1.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });

    a.port2.start();
    a.port2.addEventListener('message', function() {
      ok(true, "This method should be called");
      if (!--events) runTests();
    });
  }

  function testOnMessageClone() {
    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    a.port1.postMessage(42);
    a.port2.postMessage(43);
    ok(true, "MessagePort{1,2}.postmessage() invoked");

    var events = 2;

    addEventListener('message', testOnMessageCloneCb, false);
    function testOnMessageCloneCb(event) {
      a.port1.onmessage = function() {
        ok(true, "This method should be called");
        testOnMessageCloneFinish();
      }

      event.data.onmessage = function() {
        ok(true, "This method should be called");
        testOnMessageCloneFinish();
      }

      a.port2.onmessage = function() {
        ok(false, "This method should not be called");
      }
    }

    function testOnMessageCloneFinish() {
      if (!--events) {
        removeEventListener('message', testOnMessageCloneCb);
        runTests();
      }
    }

    postMessage(a.port2, '*', [a.port2]);
  }

  var tests = [
    testOnMessage,
    testAddEventListener,
    testAddEventListenerAndStart,
    testAddEventListener1AndStart,
    testAddEventListener2AndStart,
    testTimer,
    testAddEventListenerAndStartWrongOrder,
    testOnMessageClone,
  ];

  SimpleTest.waitForExplicitFinish();
  SimpleTest.requestFlakyTimeout("untriaged");
  runTests();
  </script>
</body>
</html>

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