gecko-dev/devtools/server/tests/unit/test_objectgrips-06.js

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

/**
 * This test checks that sealed objects report themselves as sealed in their
 * grip.
 */

var gDebuggee;
var gClient;
var gThreadClient;
var gCallback;

function run_test()
{
  run_test_with_server(DebuggerServer, function () {
    run_test_with_server(WorkerDebuggerServer, do_test_finished);
  });
  do_test_pending();
}

function run_test_with_server(aServer, aCallback)
{
  gCallback = aCallback;
  initTestDebuggerServer(aServer);
  gDebuggee = addTestGlobal("test-grips", aServer);
  gDebuggee.eval(function stopMe(arg1, arg2) {
    debugger;
  }.toString());

  gClient = new DebuggerClient(aServer.connectPipe());
  gClient.connect().then(function () {
    attachTestTabAndResume(gClient, "test-grips", function (aResponse, aTabClient, aThreadClient) {
      gThreadClient = aThreadClient;
      test_object_grip();
    });
  });
}

function test_object_grip()
{
  gThreadClient.addOneTimeListener("paused", function (aEvent, aPacket) {
    let obj1 = aPacket.frame.arguments[0];
    do_check_true(obj1.sealed);

    let obj1Client = gThreadClient.pauseGrip(obj1);
    do_check_true(obj1Client.isSealed);

    let obj2 = aPacket.frame.arguments[1];
    do_check_false(obj2.sealed);

    let obj2Client = gThreadClient.pauseGrip(obj2);
    do_check_false(obj2Client.isSealed);

    gThreadClient.resume(_ => {
      gClient.close(gCallback);
    });
  });

  gDebuggee.eval("(" + function () {
    let obj1 = {};
    Object.seal(obj1);
    stopMe(obj1, {});
  } + "())");
}