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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js')
-rw-r--r-- | js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js b/js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js new file mode 100644 index 0000000000..a930e38275 --- /dev/null +++ b/js/src/tests/test262/built-ins/AsyncGeneratorFunction/proto-from-ctor-realm-prototype.js @@ -0,0 +1,52 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-createdynamicfunction +description: > + While default [[Prototype]] value derives from realm of the newTarget, + "prototype" object inherits from %Object.prototype% of constructor's realm. +info: | + AsyncGeneratorFunction ( p1, p2, … , pn, body ) + + [...] + 3. Return ? CreateDynamicFunction(C, NewTarget, asyncGenerator, args). + + CreateDynamicFunction ( constructor, newTarget, kind, args ) + + [...] + 18. Let proto be ? GetPrototypeFromConstructor(newTarget, fallbackProto). + 19. Let realmF be the current Realm Record. + 20. Let scope be realmF.[[GlobalEnv]]. + 21. Let F be ! OrdinaryFunctionCreate(proto, parameters, body, non-lexical-this, scope). + [...] + 24. Else if kind is asyncGenerator, then + a. Let prototype be OrdinaryObjectCreate(%AsyncGenerator.prototype%). + b. Perform DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: + prototype, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false }). + [...] + 30. Return F. +features: [async-iteration, cross-realm, Reflect] +---*/ + +var realmA = $262.createRealm().global; +realmA.calls = 0; +var aAsyncGeneratorFunction = realmA.eval("(async function* () {})").constructor; +var aAsyncGeneratorPrototype = Object.getPrototypeOf( + realmA.eval("(async function* () {})").prototype +); + +var realmB = $262.createRealm().global; +var bAsyncGeneratorFunction = realmB.eval("(async function* () {})").constructor; +var newTarget = new realmB.Function(); +newTarget.prototype = null; + +var fn = Reflect.construct(aAsyncGeneratorFunction, ["calls += 1;"], newTarget); +assert.sameValue(Object.getPrototypeOf(fn), bAsyncGeneratorFunction.prototype); +assert.sameValue(Object.getPrototypeOf(fn.prototype), aAsyncGeneratorPrototype); + +var gen = fn(); +assert(gen instanceof realmA.Object); +gen.next(); +assert.sameValue(realmA.calls, 1); + +reportCompare(0, 0); |