Remove all harmony runtime flags which shipped in M51

test/mjsunit/harmony/array-species.js

-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-species
-
-// Test the ES2015 @@species feature
-
-'use strict';
-
-// Subclasses of Array construct themselves under map, etc
-
-class MyArray extends Array { }
-
-assertEquals(MyArray, new MyArray().map(()=>{}).constructor);
-assertEquals(MyArray, new MyArray().filter(()=>{}).constructor);
-assertEquals(MyArray, new MyArray().slice().constructor);
-assertEquals(MyArray, new MyArray().splice().constructor);
-assertEquals(MyArray, new MyArray().concat([1]).constructor);
-assertEquals(1, new MyArray().concat([1])[0]);
-
-// Subclasses can override @@species to return the another class
-
-class MyOtherArray extends Array {
-  static get [Symbol.species]() { return MyArray; }
-}
-
-assertEquals(MyArray, new MyOtherArray().map(()=>{}).constructor);
-assertEquals(MyArray, new MyOtherArray().filter(()=>{}).constructor);
-assertEquals(MyArray, new MyOtherArray().slice().constructor);
-assertEquals(MyArray, new MyOtherArray().splice().constructor);
-assertEquals(MyArray, new MyOtherArray().concat().constructor);
-
-// Array  methods on non-arrays return arrays
-
-class MyNonArray extends Array {
-  static get [Symbol.species]() { return MyObject; }
-}
-
-class MyObject { }
-
-assertEquals(MyObject,
-             Array.prototype.map.call(new MyNonArray(), ()=>{}).constructor);
-assertEquals(MyObject,
-             Array.prototype.filter.call(new MyNonArray(), ()=>{}).constructor);
-assertEquals(MyObject,
-             Array.prototype.slice.call(new MyNonArray()).constructor);
-assertEquals(MyObject,
-             Array.prototype.splice.call(new MyNonArray()).constructor);
-assertEquals(MyObject,
-             Array.prototype.concat.call(new MyNonArray()).constructor);
-
-assertEquals(undefined,
-             Array.prototype.map.call(new MyNonArray(), ()=>{}).length);
-assertEquals(undefined,
-             Array.prototype.filter.call(new MyNonArray(), ()=>{}).length);
-assertEquals(undefined,
-             Array.prototype.concat.call(new MyNonArray(), ()=>{}).length);
-// slice and splice actually do explicitly define the length for some reason
-assertEquals(0, Array.prototype.slice.call(new MyNonArray()).length);
-assertEquals(0, Array.prototype.splice.call(new MyNonArray()).length);
-
-// Cross-realm Arrays build same-realm arrays
-
-var realm = Realm.create();
-assertEquals(Array,
-             Array.prototype.map.call(
-                 Realm.eval(realm, "[]"), ()=>{}).constructor);
-assertFalse(Array === Realm.eval(realm, "[]").map(()=>{}).constructor);
-assertFalse(Array === Realm.eval(realm, "[].map(()=>{}).constructor"));
-assertEquals(Array,
-             Array.prototype.concat.call(
-                 Realm.eval(realm, "[]")).constructor);
-
-// Defaults when constructor or @@species is missing or non-constructor
-
-class MyDefaultArray extends Array {
-  static get [Symbol.species]() { return undefined; }
-}
-assertEquals(Array, new MyDefaultArray().map(()=>{}).constructor);
-
-class MyOtherDefaultArray extends Array { }
-assertEquals(MyOtherDefaultArray,
-             new MyOtherDefaultArray().map(()=>{}).constructor);
-MyOtherDefaultArray.prototype.constructor = undefined;
-assertEquals(Array, new MyOtherDefaultArray().map(()=>{}).constructor);
-assertEquals(Array, new MyOtherDefaultArray().concat().constructor);
-
-// Exceptions propagated when getting constructor @@species throws
-
-class SpeciesError extends Error { }
-class ConstructorError extends Error { }
-class MyThrowingArray extends Array {
-  static get [Symbol.species]() { throw new SpeciesError; }
-}
-assertThrows(() => new MyThrowingArray().map(()=>{}), SpeciesError);
-Object.defineProperty(MyThrowingArray.prototype, 'constructor', {
-    get() { throw new ConstructorError; }
-});
-assertThrows(() => new MyThrowingArray().map(()=>{}), ConstructorError);
-
-// Previously unexpected errors from setting properties in arrays throw
-
-class FrozenArray extends Array {
-  constructor(...args) {
-    super(...args);
-    Object.freeze(this);
-  }
-}
-assertThrows(() => new FrozenArray([1]).map(()=>0), TypeError);
-assertThrows(() => new FrozenArray([1]).filter(()=>true), TypeError);
-assertThrows(() => new FrozenArray([1]).slice(0, 1), TypeError);
-assertThrows(() => new FrozenArray([1]).splice(0, 1), TypeError);
-assertThrows(() => new FrozenArray([]).concat([1]), TypeError);
-
-// Verify call counts and constructor parameters
-
-var count;
-var params;
-class MyObservedArray extends Array {
-  constructor(...args) {
-    super(...args);
-    params = args;
-  }
-  static get [Symbol.species]() {
-    count++
-    return this;
-  }
-}
-
-count = 0;
-params = undefined;
-assertEquals(MyObservedArray,
-             new MyObservedArray().map(()=>{}).constructor);
-assertEquals(1, count);
-assertArrayEquals([0], params);
-
-count = 0;
-params = undefined;
-assertEquals(MyObservedArray,
-             new MyObservedArray().filter(()=>{}).constructor);
-assertEquals(1, count);
-assertArrayEquals([0], params);
-
-count = 0;
-params = undefined;
-assertEquals(MyObservedArray,
-             new MyObservedArray().concat().constructor);
-assertEquals(1, count);
-assertArrayEquals([0], params);
-
-count = 0;
-params = undefined;
-assertEquals(MyObservedArray,
-             new MyObservedArray().slice().constructor);
-assertEquals(1, count);
-assertArrayEquals([0], params);
-
-count = 0;
-params = undefined;
-assertEquals(MyObservedArray,
-             new MyObservedArray().splice().constructor);
-assertEquals(1, count);
-assertArrayEquals([0], params);
-
-// @@species constructor can be a Proxy, and the realm access doesn't
-// crash
-
-class MyProxyArray extends Array { }
-let ProxyArray = new Proxy(MyProxyArray, {});
-MyProxyArray.constructor = ProxyArray;
-
-assertEquals(MyProxyArray, new ProxyArray().map(()=>{}).constructor);