27 lines
869 B
JavaScript
27 lines
869 B
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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// The special IterResultObject map that builtins use should be the same
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// as the one produced by the `{value, done}` object literal.
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const user = {value:undefined, done:true};
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// Array iterator.
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const arrayResult = (new Array())[Symbol.iterator]().next();
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assertTrue(%HaveSameMap(user, arrayResult));
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// Map iterator.
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const mapResult = (new Map())[Symbol.iterator]().next();
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assertTrue(%HaveSameMap(user, mapResult));
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// Set iterator.
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const setResult = (new Set())[Symbol.iterator]().next();
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assertTrue(%HaveSameMap(user, setResult));
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// Generator.
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function* generator() {}
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const generatorResult = generator().next();
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assertTrue(%HaveSameMap(user, setResult));
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