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|
// |reftest| shell-option(--enable-shadow-realms) skip-if(!xulRuntime.shell) -- requires shell-options
// Copyright (C) 2022 Chengzhong Wu. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-wrappedfunctioncreate
description: >
The value of WrappedFunction.name is copied from the target function
info: |
WrappedFunctionCreate ( callerRealm: a Realm Record, Target: a function object, )
...
7. Let result be CopyNameAndLength(wrapped, Target).
...
CopyNameAndLength ( F: a function object, Target: a function object, prefix: a String, optional argCount: a Number, )
...
6. Let targetName be ? Get(Target, "name").
7. If Type(targetName) is not String, set targetName to the empty String.
8. Perform ! SetFunctionName(F, targetName, prefix).
SetFunctionName ( F, name [ , prefix ] )
...
6. Return ! DefinePropertyOrThrow(F, "name", PropertyDescriptor { [[Value]]: name, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }).
includes: [propertyHelper.js]
features: [ShadowRealm]
---*/
assert.sameValue(
typeof ShadowRealm.prototype.evaluate,
'function',
'This test must fail if ShadowRealm.prototype.evaluate is not a function'
);
const r = new ShadowRealm();
let wrapped = r.evaluate(`
function fn() {}
fn;
`);
verifyProperty(wrapped, "name", {
value: "fn",
enumerable: false,
writable: false,
configurable: true,
});
// The name property is an accessor.
wrapped = r.evaluate(`
function fn() {}
Object.defineProperty(fn, 'name', {
get: () => "bar",
enumerable: false,
configurable: true,
});
fn;
`);
verifyProperty(wrapped, "name", {
value: "bar",
enumerable: false,
writable: false,
configurable: true,
});
// The value of fn.name is not a string.
for (const name of [null, undefined, 0, '1n', false, NaN, Infinity, 'Symbol()', '[]', '{}']) {
wrapped = r.evaluate(`
function fn() {}
Object.defineProperty(fn, 'name', {
value: ${String(name)},
enumerable: false,
configurable: true,
});
fn;
`);
verifyProperty(wrapped, "name", {
value: "",
enumerable: false,
writable: false,
configurable: true,
});
}
reportCompare(0, 0);
|
