// |reftest| async // Copyright (C) 2022 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.fromasync description: > If thisArg is a primitive, mapfn is called with a wrapper this-value or the global, according to the usual rules of sloppy mode info: | 6. If _mapping_ is *true*, then a. Let _mappedValue_ be Call(_mapfn_, _thisArg_, « _nextValue_, 𝔽(_k_) »). OrdinaryCallBindThis, when _F_.[[ThisMode]] is ~global~, where _F_ is the function object: 6. Else, a. If _thisArgument_ is *undefined* or *null*, then i. Let _globalEnv_ be _calleeRealm_.[[GlobalEnv]]. ii. Assert: _globalEnv_ is a Global Environment Record. iii. Let _thisValue_ be _globalEnv_.[[GlobalThisValue]]. b. Else, i. Let _thisValue_ be ! ToObject(_thisArgument_). ii. NOTE: ToObject produces wrapper objects using _calleeRealm_. flags: [async, noStrict] includes: [asyncHelpers.js] features: [Array.fromAsync] ---*/ asyncTest(async () => { await Array.fromAsync([1, 2, 3], async function () { assert.sameValue( this, globalThis, "the global should be bound as the this-value of mapfn when thisArg is undefined" ); }, undefined); await Array.fromAsync([1, 2, 3], async function () { assert.sameValue( this, globalThis, "the global should be bound as the this-value of mapfn when thisArg is null" ); }, null); await Array.fromAsync([1, 2, 3], async function () { assert.notSameValue(this, "string", "string thisArg should not be bound as the this-value of mapfn"); assert.sameValue(typeof this, "object", "a String wrapper object should be bound as the this-value of mapfn when thisArg is a string") assert.sameValue(this.valueOf(), "string", "String wrapper object should have the same primitive value as thisArg"); }, "string"); await Array.fromAsync([1, 2, 3], async function () { assert.notSameValue(this, 3.1416, "number thisArg should be not bound as the this-value of mapfn"); assert.sameValue(typeof this, "object", "a Number wrapper object should be bound as the this-value of mapfn when thisArg is a number") assert.sameValue(this.valueOf(), 3.1416, "Number wrapper object should have the same primitive value as thisArg"); }, 3.1416); await Array.fromAsync([1, 2, 3], async function () { assert.notSameValue(this, 42n, "bigint thisArg should not be bound as the this-value of mapfn"); assert.sameValue(typeof this, "object", "a BigInt wrapper object should be bound as the this-value of mapfn when thisArg is a bigint") assert.sameValue(this.valueOf(), 42n, "BigInt wrapper object should have the same primitive value as thisArg"); }, 42n); await Array.fromAsync([1, 2, 3], async function () { assert.notSameValue(this, true, "boolean thisArg should not be bound as the this-value of mapfn"); assert.sameValue(typeof this, "object", "a Boolean wrapper object should be bound as the this-value of mapfn when thisArg is a boolean") assert.sameValue(this.valueOf(), true, "Boolean wrapper object should have the same primitive value as thisArg"); }, true); const symbolThis = Symbol("symbol"); await Array.fromAsync([1, 2, 3], async function () { assert.notSameValue(this, symbolThis, "symbol thisArg should not be bound as the this-value of mapfn"); assert.sameValue(typeof this, "object", "a Symbol wrapper object should be bound as the this-value of mapfn when thisArg is a symbol") assert.sameValue(this.valueOf(), symbolThis, "Symbol wrapper object should have the same primitive value as thisArg"); }, symbolThis); });