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35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
// Copyright (C) 2018 Valerie Young. 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-properties-of-asyncgeneratorfunction
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description: >
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AsyncGenerator function instances are correctly reported as instances of the
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AsyncGeneratorFunction intrinsic.
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features: [async-iteration]
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---*/
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var AsyncGeneratorFunction = Object.getPrototypeOf(async function* () {}).constructor;
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async function* agDecl() {}
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var agExpr = async function* () {};
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assert(
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agDecl instanceof AsyncGeneratorFunction,
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'AsyncGenerators created via AsyncGeneratorDeclaration syntax are proper instances of AsyncGeneratorFunction'
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);
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assert(
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agExpr instanceof AsyncGeneratorFunction,
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'AsyncGenerators created via AsyncGeneratorExpression syntax are proper instances of AsyncGeneratorFunction'
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);
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assert(
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new AsyncGeneratorFunction() instanceof AsyncGeneratorFunction,
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'AsyncGenerators created via constructor invocation of AsyncGeneratorFunction are proper instances of AsyncGeneratorFunction'
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);
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assert(
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AsyncGeneratorFunction() instanceof AsyncGeneratorFunction,
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'AsyncGenerators created via function invocation of AsyncGeneratorFunction are proper instances of AsyncGeneratorFunction'
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);
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