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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js b/js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js new file mode 100644 index 0000000000..844a2f26fb --- /dev/null +++ b/js/src/tests/test262/built-ins/Function/proto-from-ctor-realm-prototype.js @@ -0,0 +1,51 @@ +// 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: | + Function ( p1, p2, … , pn, body ) + + [...] + 3. Return ? CreateDynamicFunction(C, NewTarget, normal, 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). + [...] + 25. Else if kind is normal, perform MakeConstructor(F). + [...] + 30. Return F. + + MakeConstructor ( F [ , writablePrototype [ , prototype ] ] ) + + [...] + 7. If prototype is not present, then + a. Set prototype to OrdinaryObjectCreate(%Object.prototype%). + [...] + 8. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor {[[Value]]: prototype, + [[Writable]]: writablePrototype, [[Enumerable]]: false, [[Configurable]]: false }). +features: [cross-realm, Reflect] +---*/ + +var realmA = $262.createRealm().global; +realmA.calls = 0; + +var realmB = $262.createRealm().global; +var newTarget = new realmB.Function(); +newTarget.prototype = null; + +var fn = Reflect.construct(realmA.Function, ["calls += 1;"], newTarget); +assert.sameValue(Object.getPrototypeOf(fn), realmB.Function.prototype); +assert.sameValue(Object.getPrototypeOf(fn.prototype), realmA.Object.prototype); + +assert(new fn() instanceof realmA.Object); +assert.sameValue(realmA.calls, 1); + +reportCompare(0, 0); |