streams-reset-bidi-keeps-writing.https.any.js

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This WPT test may be referenced by the following Test IDs:
- /webtransport/streams-reset-bidi-keeps-writing.https.any.html - WPT Dashboard Interop Dashboard
- /webtransport/streams-reset-bidi-keeps-writing.https.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /webtransport/streams-reset-bidi-keeps-writing.https.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /webtransport/streams-reset-bidi-keeps-writing.https.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// META: script=/common/utils.js

// META: script=resources/webtransport-test-helpers.sub.js

// A RESET_STREAM from the peer ends the receive half of a bidirectional

// stream only; the send half stays writable until the peer sends

// STOP_SENDING.

promise_test(async t => {

  const id = token();

  const WT_CODE = 33;

  const HTTP_CODE = webtransport_code_to_http_code(WT_CODE);

  const wt = new WebTransport(webtransport_url(

      `reset-bidi-stream-then-read.py?token=${id}&code=${HTTP_CODE}`));

  t.add_cleanup(() => wt.close());

  await wt.ready;

  const bidi = await wt.createBidirectionalStream();

  const writer = bidi.writable.getWriter();

  const reader = bidi.readable.getReader();

  await writer.write(new Uint8Array([1, 2, 3]));

  const e = await reader.closed.catch(e => e);

  assert_true(e instanceof WebTransportError, 'readable errored');

  assert_equals(e.streamErrorCode, WT_CODE, 'streamErrorCode');

  await writer.write(new Uint8Array([4, 5, 6, 7]));

  await writer.close();

  const info = await query_stream_close_info(id);

  assert_equals(info.source, 'FIN', 'send half closed with FIN');

  assert_equals(info.received, 7, 'bytes received after the reset');

}, 'RESET_STREAM from the server leaves the send half of a bidirectional stream writable');