test_addr_in_use_error.js (919B)
1 // Opening a second listening socket on the same address as an extant 2 // socket should elicit NS_ERROR_SOCKET_ADDRESS_IN_USE on non-Windows 3 // machines. 4 5 "use strict"; 6 7 var CC = Components.Constructor; 8 9 const ServerSocket = CC( 10 "@mozilla.org/network/server-socket;1", 11 "nsIServerSocket", 12 "init" 13 ); 14 15 function testAddrInUse() { 16 // Windows lets us have as many sockets listening on the same address as 17 // we like, evidently. 18 if (mozinfo.os == "win") { 19 return; 20 } 21 22 // Create listening socket: 23 // any port (-1), loopback only (true), default backlog (-1) 24 let listener = ServerSocket(-1, true, -1); 25 Assert.ok(listener instanceof Ci.nsIServerSocket); 26 27 // Try to create another listening socket on the same port, whatever that was. 28 do_check_throws_nsIException( 29 () => ServerSocket(listener.port, true, -1), 30 "NS_ERROR_SOCKET_ADDRESS_IN_USE" 31 ); 32 } 33 34 function run_test() { 35 testAddrInUse(); 36 }