A Metamask fork with Infura removed and default networks editable
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
ciphermask/test/unit-global/protect-intrinsics.test.js

72 lines
2.1 KiB

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