Nicolas Chevobbe
df9fc99321
Use a null-prototype Object to hold variables / argument name to avoid the name messing up with the prototype. Differential Revision: https://phabricator.services.mozilla.com/D259549
61 lines
1.7 KiB
JavaScript
61 lines
1.7 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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// Check that we're getting arg / variable named "__proto__" (See Bug 1980263)
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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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() =>
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debuggee.eval(`
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function foo(__proto__){
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debugger;
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}
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foo("bar")
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`),
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threadFront
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);
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const environment = await packet.frame.getEnvironment();
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Assert.equal(environment.type, "function");
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Assert.equal(
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// The original bug is only reproducible in the test when cloning the result, since
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// threadFrontTest uses a direct transport that gets us the object returned from
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// the actor.
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// eslint-disable-next-line no-proto
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structuredClone(environment).bindings.arguments[0].__proto__.value,
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"bar"
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);
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await threadFront.resume();
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})
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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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() =>
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debuggee.eval(`
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(function() {
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const __proto__ = "foo";
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debugger;
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})()
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`),
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threadFront
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);
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const environment = await packet.frame.getEnvironment();
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Assert.equal(
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// The original bug is only reproducible in the test when cloning the result, since
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// threadFrontTest uses a direct transport that gets us the object returned from
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// the actor.
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// eslint-disable-next-line no-proto
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structuredClone(environment).bindings.variables.__proto__.value,
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"foo"
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);
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await threadFront.resume();
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})
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);
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