gecko-dev/devtools/server/tests/unit/test_blackboxing-05.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
/* eslint-disable no-shadow */

"use strict";

/**
 * Test exceptions inside black boxed sources.
 */

var gDebuggee;
var gThreadFront;

add_task(
  threadFrontTest(
    async ({ threadFront, debuggee }) => {
      gThreadFront = threadFront;
      gDebuggee = debuggee;
      test_black_box();
    },
    { waitForFinish: true }
  )
);

const BLACK_BOXED_URL = "http://example.com/blackboxme.js";
const SOURCE_URL = "http://example.com/source.js";

function test_black_box() {
  gThreadFront.once("paused", test_black_box_exception);

  /* eslint-disable no-multi-spaces, no-unreachable, no-undef */
  Cu.evalInSandbox(
    "" +
      function doStuff(k) {
        // line 1
        throw new Error("error msg"); // line 2
        k(100); // line 3
      }, // line 4
    gDebuggee,
    "1.8",
    BLACK_BOXED_URL,
    1
  );

  Cu.evalInSandbox(
    "" +
    function runTest() {
      // line 1
      doStuff(
        // line 2
        function(n) {
          // line 3
          debugger; // line 4
        } // line 5
      ); // line 6
    } + // line 7
    "\ndebugger;\n" + // line 8
      "try { runTest() } catch (ex) { }", // line 9
    gDebuggee,
    "1.8",
    SOURCE_URL,
    1
  );
  /* eslint-enable no-multi-spaces, no-unreachable, no-undef */
}

function test_black_box_exception() {
  gThreadFront.getSources().then(async function({ error, sources }) {
    Assert.ok(!error, "Should not get an error: " + error);
    const sourceFront = await getSource(gThreadFront, BLACK_BOXED_URL);
    await blackBox(sourceFront);
    gThreadFront.pauseOnExceptions(true, false);

    gThreadFront.once("paused", async function(packet) {
      const source = await getSourceById(
        gThreadFront,
        packet.frame.where.actor
      );

      Assert.equal(
        source.url,
        SOURCE_URL,
        "We shouldn't pause while in the black boxed source."
      );
      await gThreadFront.resume();
      threadFrontTestFinished();
    });

    gThreadFront.resume();
  });
}