diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/NativeErrors/AggregateError/newtarget-proto-fallback.js')
-rw-r--r-- | js/src/tests/test262/built-ins/NativeErrors/AggregateError/newtarget-proto-fallback.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/NativeErrors/AggregateError/newtarget-proto-fallback.js b/js/src/tests/test262/built-ins/NativeErrors/AggregateError/newtarget-proto-fallback.js new file mode 100644 index 0000000000..95083d9a47 --- /dev/null +++ b/js/src/tests/test262/built-ins/NativeErrors/AggregateError/newtarget-proto-fallback.js @@ -0,0 +1,60 @@ +// Copyright (C) 2019 Leo Balter. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-aggregate-error +description: > + Fallback to the NewTarget's [[Prototype]] if the prototype property is not an object +info: | + AggregateError ( errors, message ) + + 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget. + 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%AggregateError.prototype%", « [[ErrorData]], [[AggregateErrors]] »). + ... + 6. Return O. + + OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) + + ... + 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto). + 3. Return ObjectCreate(proto, internalSlotsList). + + GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto ) + + ... + 3. Let proto be ? Get(constructor, "prototype"). + 4. If Type(proto) is not Object, then + a. Let realm be ? GetFunctionRealm(constructor). + b. Set proto to realm's intrinsic object named intrinsicDefaultProto. + Return proto. +features: [AggregateError, Symbol] +---*/ + +const values = [ + undefined, + null, + 42, + false, + true, + Symbol(), + 'string', + AggregateError.prototype, +]; + +const NewTarget = new Function(); + +for (const value of values) { + const NewTargetProxy = new Proxy(NewTarget, { + get(t, p) { + if (p === 'prototype') { + return value; + } + return t[p]; + } + }); + + const error = Reflect.construct(AggregateError, [[]], NewTargetProxy); + assert.sameValue(Object.getPrototypeOf(error), AggregateError.prototype); +} + +reportCompare(0, 0); |