forked from mirrors/gecko-dev
6cb1f49f29
Differential Revision: https://phabricator.services.mozilla.com/D60171 --HG-- extra : moz-landing-system : lando
40 lines
1 KiB
JavaScript
40 lines
1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
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registerCleanupFunction(() => {
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Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
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});
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add_task(
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threadFrontTest(async ({ threadFront, debuggee }) => {
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const packet = await executeOnNextTickAndWaitForPause(
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() => evalCode(debuggee),
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threadFront
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);
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const [grip] = packet.frame.arguments;
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await threadFront.resume();
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strictEqual(grip.class, "Array", "The grip has an Array class");
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const { items } = grip.preview;
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strictEqual(items[0], null, "The empty slot has null as grip preview");
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deepEqual(
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items[1],
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{ type: "undefined" },
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"The undefined value has grip value of type undefined"
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);
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})
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);
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function evalCode(debuggee) {
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debuggee.eval(
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function stopMe(arr) {
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debugger;
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}.toString()
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);
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debuggee.eval("stopMe([, undefined])");
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}
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