Add "proto-from-ctor-realm" test for AggregateError

test/built-ins/NativeErrors/AggregateError/proto-from-ctor-realm.js

@@ -0,0 +1,58 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-aggregate-error
+description: Default [[Prototype]] value derived from realm of the NewTarget.
+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.
+  5. Return proto.
+features: [cross-realm, Reflect, Symbol]
+---*/
+
+var other = $262.createRealm().global;
+var newTarget = new other.Function();
+var err;
+
+newTarget.prototype = undefined;
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is undefined');
+
+newTarget.prototype = null;
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is null');
+
+newTarget.prototype = true;
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is a Boolean');
+
+newTarget.prototype = '';
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is a String');
+
+newTarget.prototype = Symbol();
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is a Symbol');
+
+newTarget.prototype = -1;
+err = Reflect.construct(AggregateError, [[]], newTarget);
+assert.sameValue(Object.getPrototypeOf(err), other.AggregateError.prototype, 'newTarget.prototype is a Number');