RTCPeerConnection-plan-b-is-not-supported.html (920B)
1 <!doctype html> 2 <meta charset=utf-8> 3 <meta name="timeout" content="long"> 4 <title></title> 5 <script src=/resources/testharness.js></script> 6 <script src=/resources/testharnessreport.js></script> 7 <script> 8 'use strict'; 9 10 promise_test(async t => { 11 // Plan B is a legacy feature that should not be supported on a modern 12 // browser. To pass this test you must either ignore sdpSemantics altogether 13 // (and construct with Unified Plan despite us asking for Plan B) or throw an 14 // exception. 15 let pc = null; 16 try { 17 pc = new RTCPeerConnection({sdpSemantics:"plan-b"}); 18 t.add_cleanup(() => pc.close()); 19 } catch (e) { 20 // Test passed! 21 return; 22 } 23 // If we did not throw, we must not have gotten what we asked for. If 24 // sdpSemantics is not recognized by the browser it will be undefined here. 25 assert_not_equals(pc.getConfiguration().sdpSemantics, "plan-b"); 26 }, 'Plan B is not supported'); 27 28 </script>