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49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
// Copyright (C) 2024 Igalia S.L. 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-json.israwjson
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description: >
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JSON.isRawJSON meets the requirements for built-in objects
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info: |
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JSON.isRawJSON ( O )
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18 ECMAScript Standard Built-in Objects
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...
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Unless specified otherwise, a built-in object that is callable as a function
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is a built-in function object with the characteristics described in 10.3.
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Unless specified otherwise, the [[Extensible]] internal slot of a built-in
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object initially has the value true. Every built-in function object has a
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[[Realm]] internal slot whose value is the Realm Record of the realm for
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which the object was initially created.
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...
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Unless otherwise specified every built-in function and every built-in
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constructor has the Function prototype object, which is the initial value of
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the expression Function.prototype (20.2.3), as the value of its [[Prototype]]
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internal slot.
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...
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Built-in function objects that are not identified as constructors do not
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implement the [[Construct]] internal method unless otherwise specified in the
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description of a particular function.
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features: [json-parse-with-source]
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---*/
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assert(Object.isExtensible(JSON.isRawJSON), "JSON.isRawJSON is extensible");
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assert.sameValue(
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typeof JSON.isRawJSON,
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'function',
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'The value of `typeof JSON.isRawJSON` is "function"'
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);
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assert.sameValue(
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Object.getPrototypeOf(JSON.isRawJSON),
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Function.prototype,
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'Object.getPrototypeOf(JSON.isRawJSON) must return the value of "Function.prototype"'
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);
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assert.sameValue(
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Object.getOwnPropertyDescriptor(JSON.isRawJSON, "prototype"),
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undefined,
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"JSON.isRawJSON has no own prototype property"
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);
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