File: RTCDataChannel-send-blob-order.html

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<!doctype html>
<meta charset=utf-8>
<title>RTCDataChannel.prototype.send for blobs</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>

for (const options of [{}, {negotiated: true, id: 0}]) {
  const mode = `${options.negotiated? "Negotiated d" : "D"}atachannel`;

  promise_test(async t => {
    const data1 = new Blob(['blob']);
    const data1Size = data1.size;
    const data2 = new ArrayBuffer(8);
    const data2Size = data2.byteLength;

    const [channel1, channel2] = await createDataChannelPair(t, options);
    channel2.binaryType = "arraybuffer";

    channel1.send(data1);
    channel1.send(data2);

    let e = await new Promise(r => channel2.onmessage = r);
    assert_equals(e.data.byteLength, data1Size);

    e = await new Promise(r => channel2.onmessage = r);
    assert_equals(e.data.byteLength, data2Size);
  }, `${mode} should send data following the order of the send call`);
}
</script>