tenfourfox/devtools/server/tests/unit/test_client_close.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

var gClient;
var gDebuggee;

function run_test()
{
  initTestDebuggerServer();
  gDebuggee = testGlobal("test-1");
  DebuggerServer.addTestGlobal(gDebuggee);

  let transport = DebuggerServer.connectPipe();
  gClient = new DebuggerClient(transport);
  gClient.connect(function(aType, aTraits) {
    attachTestTab(gClient, "test-1", function(aReply, aTabClient) {
      test_close(transport);
    });
  });
  do_test_pending();
}

function test_close(aTransport)
{
  // Check that, if we fake a transport shutdown
  // (like if a device is unplugged)
  // the client is automatically closed,
  // and we can still call client.close.
  let onClosed = function() {
    gClient.removeListener("closed", onClosed);
    ok(true, "Client emitted 'closed' event");
    gClient.close(function() {
      ok(true, "client.close() successfully called its callback");
      do_test_finished();
    });
  }
  gClient.addListener("closed", onClosed);
  aTransport.close();
}