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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/fromAsync/thisarg-primitive-sloppy.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/fromAsync/thisarg-primitive-sloppy.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/fromAsync/thisarg-primitive-sloppy.js b/js/src/tests/test262/built-ins/Array/fromAsync/thisarg-primitive-sloppy.js new file mode 100644 index 0000000000..244be840a8 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/fromAsync/thisarg-primitive-sloppy.js @@ -0,0 +1,76 @@ +// |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); +}); |