Quelle test_temporaryfile_stream.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/ipc/tests/test_temporaryfile_stream.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Send an nsTemporaryFileInputStream cross-process</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/dom/canvas/test/captureStream_common.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<div id="content">
</div>
<script class="testbody" type="text/javascript">
function startTest() {
  var canvas = document.createElement("canvas");
  canvas.width = canvas.height = 100;
  document.getElementById("content").appendChild(canvas);

  // eslint-disable-next-line no-undef
  var helper = new CaptureStreamTestHelper2D(100, 100);
  helper.drawColor(canvas, helper.red);

  var stream = canvas.captureStream(0);

  var blob;

  let mediaRecorder = new MediaRecorder(stream);
  is(mediaRecorder.stream, stream,
     "Media recorder stream = canvas stream at the start of recording");

  mediaRecorder.onwarning = () => ok(false, "warning unexpectedly fired");

  mediaRecorder.onerror = () => ok(false, "Recording failed");

  mediaRecorder.ondataavailable = ev => {
    is(blob, undefined, "Should only get one dataavailable event");
    blob = ev.data;
  };

  mediaRecorder.onstart = () => {
    info("Got 'start' event");
    // We just want one frame encoded, to see that the recorder produces something readable.
    mediaRecorder.stop();
  };

  mediaRecorder.onstop = () => {
    info("Got 'stop' event");
    ok(blob, "Should have gotten a data blob");
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "blob_verify.sjs", true);
    xhr.onload = () => {
      var video = document.createElement("video");
      video.id = "recorded-video";
      video.src = URL.createObjectURL(xhr.response);
      video.play();
      video.onerror = () => {
        ok(false, "Should be able to play the recording. Got error. code=" + video.error.code);
        SimpleTest.finish();
      };
      document.getElementById("content").appendChild(video);
      helper.pixelMustBecome(video, helper.red, {
        threshold: 128,
        infoString: "Should become red",
      }).then(SimpleTest.finish);
    };
    xhr.onerror = () => {
      ok(false, "XHR error");
      SimpleTest.finish();
    };
    xhr.responseType = "blob";
    xhr.send(blob);
  };

  mediaRecorder.start();
  is(mediaRecorder.state, "recording", "Media recorder should be recording");
}

SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({set: [["media.recorder.max_memory", 1]]}, startTest);
</script>
</pre>
</body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.21 Sekunden (vorverarbeitet am 2026-06-10) ¤

Wurzel

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PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

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