test_message_after_close.html (613B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <title>Test for BroadcastChannel - message after close</title> 5 <script src="/tests/SimpleTest/SimpleTest.js"></script> 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 7 </head> 8 <body> 9 <script> 10 SimpleTest.waitForExplicitFinish(); 11 12 let a = new BroadcastChannel('a'); 13 let b = new BroadcastChannel('a'); 14 let count = 0; 15 16 a.onmessage = function() { 17 ++count; 18 a.close(); 19 20 setTimeout(() => { 21 is(count, 1, "Only 1 message received"); 22 SimpleTest.finish(); 23 }, 0); 24 } 25 26 for (let i = 0; i < 100; ++i) { 27 b.postMessage(42); 28 } 29 </script> 30 </body> 31 </html>