Content - c30c9613c6914a67fa5aaa0944237533e1396c36 - 473a210/webrtc/RTCRtpReceiver-getStats.html

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Tip revision: d7db47babb8e6732d39a28346675bd30f5182af0 authored by Xianzhu Wang on 22 March 2018, 20:37:21 UTC
[PE] Add ToInt() for logical padding top and bottom for LayoutTableCell

Tip revision: d7db47b

RTCRtpReceiver-getStats.html

<!doctype html>
<meta charset=utf-8>
<title>RTCRtpReceiver.prototype.getStats</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="dictionary-helper.js"></script>
<script src="RTCStats-helper.js"></script>
<script>
  'use strict';

  // Test is based on the following editor draft:
  // https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
  // https://w3c.github.io/webrtc-stats/archives/20170614/webrtc-stats.html

  // The following helper function is called from RTCStats-helper.js
  //   validateStatsReport
  //   assert_stats_report_has_stats

  /*
    5.3.  RTCRtpReceiver Interface
      interface RTCRtpReceiver {
         Promise<RTCStatsReport> getStats();
          ...
      };

      getStats
        1.  Let selector be the RTCRtpReceiver object on which the method was invoked.
        2.  Let p be a new promise, and run the following steps in parallel:
          1.  Gather the stats indicated by selector according to the stats selection
              algorithm.
          2.  Resolve p with the resulting RTCStatsReport object, containing the
              gathered stats.
        3.  Return p.

    8.5. The stats selection algorithm
      4.  If selector is an RTCRtpReceiver, gather stats for and add the following objects
          to result:
        - All RTCInboundRTPStreamStats objects corresponding to selector.
        - All stats objects referenced directly or indirectly by the RTCInboundRTPStreamStats
          added.
   */

  promise_test(() => {
    const pc = new RTCPeerConnection();
    const { receiver } = pc.addTransceiver('audio');

    return receiver.getStats()
    .then(statsReport => {
      validateStatsReport(statsReport);
      assert_stats_report_has_stats(statsReport, ['inbound-rtp']);
    });
  }, 'receiver.getStats() should return stats report containing inbound-rtp stats');

</script>

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