fune/devtools/server/tests/xpcshell/test_threadlifetime-02.js

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

"use strict";

/**
 * Check that thread-lifetime grips last past a resume.
 */

add_task(
  threadFrontTest(async ({ threadFront, debuggee, client }) => {
    const packet = await executeOnNextTickAndWaitForPause(
      () => evaluateTestCode(debuggee),
      threadFront
    );

    const pauseGrip = packet.frame.arguments[0];

    // Create a thread-lifetime actor for this object.
    const response = await client.request({
      to: pauseGrip.actor,
      type: "threadGrip",
    });
    // Successful promotion won't return an error.
    Assert.equal(response.error, undefined);

    const packet2 = await resumeAndWaitForPause(threadFront);

    // Verify that the promoted actor is returned again.
    Assert.equal(pauseGrip.actor, packet2.frame.arguments[0].actor);
    // Now that we've resumed, release the thread-lifetime grip.
    const objFront = new ObjectFront(
      threadFront.conn,
      threadFront.targetFront,
      threadFront,
      pauseGrip
    );
    await objFront.release();
    const objFront2 = new ObjectFront(
      threadFront.conn,
      threadFront.targetFront,
      threadFront,
      pauseGrip
    );

    try {
      await objFront2
        .request({ to: pauseGrip.actor, type: "bogusRequest" })
        .catch(function(error) {
          Assert.ok(!!error.message.match(/noSuchActor/));
          threadFront.resume();
          throw new Error();
        });
      ok(false, "bogusRequest should throw");
    } catch (e) {
      ok(true, "bogusRequest thrown");
    }
  })
);

function evaluateTestCode(debuggee) {
  debuggee.eval(
    "(" +
      function() {
        function stopMe(arg1) {
          debugger;
          debugger;
        }
        stopMe({ obj: true });
      } +
      ")()"
  );
}