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71 lines
2.0 KiB
71 lines
2.0 KiB
import 'ses/lockdown';
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import '../../app/scripts/lockdown-run';
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import { strict as assert } from 'assert';
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// These are Agoric inventions, and we don't care about them.
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const ignoreList = new Set([
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'Compartment',
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'HandledPromise',
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'StaticModuleRecord',
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]);
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describe('non-modifiable intrinsics', function () {
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const namedIntrinsics = Reflect.ownKeys(new Compartment().globalThis);
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const globalProperties = new Set(
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[
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// Added to global scope by ses/dist/lockdown.cjs.
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...namedIntrinsics,
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// TODO: Also include the named platform globals
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// This grabs every enumerable property on globalThis.
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// ...Object.keys(globalThis),
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].filter((propertyName) => !ignoreList.has(propertyName)),
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);
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globalProperties.forEach((propertyName) => {
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it(`intrinsic globalThis["${propertyName}"]`, function () {
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const descriptor = Reflect.getOwnPropertyDescriptor(
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globalThis,
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propertyName,
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);
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assert.ok(
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descriptor,
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`globalThis["${propertyName}"] should have a descriptor`,
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);
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// As long as Object.isFrozen is the true Object.isFrozen, the object
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// it is called with cannot lie about being frozen.
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const value = globalThis[propertyName];
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if (value !== globalThis) {
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assert.equal(
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Object.isFrozen(value),
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true,
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`value of universal property globalThis["${propertyName}"] should be frozen`,
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);
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}
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// The writability of properties with accessors cannot be modified.
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if ('set' in descriptor || 'get' in descriptor) {
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assert.equal(
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descriptor.configurable,
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false,
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`globalThis["${propertyName}"] should be non-configurable`,
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);
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} else {
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assert.equal(
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descriptor.configurable,
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false,
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`globalThis["${propertyName}"] should be non-configurable`,
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);
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assert.equal(
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descriptor.writable,
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false,
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`globalThis["${propertyName}"] should be non-writable`,
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);
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}
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});
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});
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});
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