mirror of https://github.com/tc39/test262.git
37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
// Copyright (C) 2019 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-async-function-definitions-runtime-semantics-evaluation
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description: Assignment of function `name` attribute
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info: |
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AsyncFunctionExpression : async function ( FormalParameters ) { AsyncFunctionBody }
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1. Let scope be the LexicalEnvironment of the running execution context.
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2. Let closure be ! AsyncFunctionCreate(Normal, FormalParameters,
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AsyncFunctionBody, scope, "").
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...
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4. Return closure.
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AsyncFunctionExpression : async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
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1. Let scope be the running execution context's LexicalEnvironment.
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2. Let funcEnv be ! NewDeclarativeEnvironment(scope).
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3. Let envRec be funcEnv's EnvironmentRecord.
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4. Let name be StringValue of BindingIdentifier.
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5. Perform ! envRec.CreateImmutableBinding(name).
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6. Let closure be ! AsyncFunctionCreate(Normal, FormalParameters,
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AsyncFunctionBody, funcEnv, name).
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...
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9. Return closure.
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includes: [propertyHelper.js]
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---*/
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verifyProperty(async function() {}, "name", {
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value: "", writable: false, enumerable: false, configurable: true
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});
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verifyProperty(async function func() {}, "name", {
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value: "func", writable: false, enumerable: false, configurable: true
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});
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