025-1.js (477B)
1 importScripts("/resources/testharness.js"); 2 3 test(function() { 4 var ch = new MessageChannel(); 5 assert_true(ch.port1 instanceof MessagePort, 6 "Worker MessageChannel's port not an instance of MessagePort"); 7 }, "Worker MessageChannel's port should be an instance of MessagePort"); 8 9 test(function() { 10 assert_throws_js(TypeError, function() { 11 new MessagePort() 12 }, "MessagePort is [[Callable]]"); 13 }, "Worker MessagePort should not be [[Callable]]"); 14 15 done();