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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
41 lines
2.1 KiB
JavaScript
41 lines
2.1 KiB
JavaScript
// Copyright 2017 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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// precondition
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assertTrue(%HaveSameMap(Object.freeze({}), Object.freeze({})));
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assertTrue(%HaveSameMap(Object.freeze({a: 1}), Object.freeze({a: 1})));
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assertTrue(%HaveSameMap(Object.freeze([]), Object.freeze([])));
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assertTrue(%HaveSameMap(Object.freeze([1,2]), Object.freeze([1,2])));
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assertTrue(%HaveSameMap(Object.seal({}), Object.seal({})));
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assertTrue(%HaveSameMap(Object.seal({a: 1}), Object.seal({a: 1})));
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assertTrue(%HaveSameMap(Object.seal([]), Object.seal([])));
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assertTrue(%HaveSameMap(Object.seal([1,2]), Object.seal([1,2])));
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// refreezing an already frozen obj does not keep adding transitions
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assertTrue(%HaveSameMap(Object.freeze({}), Object.freeze( Object.freeze({}) )));
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assertTrue(%HaveSameMap(Object.freeze({a: 1}), Object.freeze( Object.freeze({a: 1}) )));
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assertTrue(%HaveSameMap(Object.freeze([]), Object.freeze( Object.freeze([]) )));
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assertTrue(%HaveSameMap(Object.freeze([1,2]), Object.freeze( Object.freeze([1,2]) )));
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// resealing a sealed object is idempotent
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assertTrue(%HaveSameMap(Object.seal({}), Object.seal( Object.seal({}) )));
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assertTrue(%HaveSameMap(Object.seal({a: 1}), Object.seal( Object.seal({a: 1}) )));
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assertTrue(%HaveSameMap(Object.seal([]), Object.seal( Object.seal([]) )));
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assertTrue(%HaveSameMap(Object.seal([1,2]), Object.seal( Object.seal([1,2]) )));
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// sealing a frozen object is idempotent
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assertTrue(%HaveSameMap(Object.freeze({}), Object.seal( Object.freeze({}) )));
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assertTrue(%HaveSameMap(Object.freeze({a: 1}), Object.seal( Object.freeze({a: 1}) )));
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assertTrue(%HaveSameMap(Object.freeze([]), Object.seal( Object.freeze([]) )));
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assertTrue(%HaveSameMap(Object.freeze([1,2]), Object.seal( Object.freeze([1,2]) )));
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// freezing a sealed empty is idempotent
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assertTrue(%HaveSameMap(Object.freeze(Object.seal({})), Object.seal({})));
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// sealing a unextensible empty object is idempotent
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assertTrue(%HaveSameMap(Object.seal(Object.preventExtensions({})), Object.preventExtensions({})));
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