mirror of
https://github.com/tc39/test262.git
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d0b5137c15
* Rename & improve "length" test * Use verifyProperty in "name" test * Rename & improve property descriptor test * Remove duplicated test https://github.com/tc39/test262/blob/master/test/built-ins/Object/prototype/toString/proxy-array.js * Rename proxy value test * Rename & improve String object unwrapping test * Rename & improve Number object unwrapping test * Rename & improve Boolean object unwrapping test * Rename & merge replacer returns undefined tests * Rename & merge replacer function tests * Rename replacer array revoked proxy test * Add cross-realm replacer array revoked proxy test * Add array proxy replacer test * Add replacer array keys order test * Add empty replacer array test * Add non-finite numbers serialization test * Add replacer array abrupt completion test * Add replacer array with duplicates test * Add replacer array ignores undefined test * Add replacer array unwraps strings test * Add replacer array unwraps numbers test * Rename & merge circular object tests * Add circular array test * Rename & merge top-level primitives tests * Rename string escape tests * Rename BigInt tests * Rename & improve function value test * Add replacer function abrupt test * Rename & merge wrong space type tests * Rename float number space test * Rename & improve Number object space test * Rename & improve String object space test * Rename basic numeric space test * Rename string space slice test * Add replacer array numbers test * Add toJSON abrupt completions test * Add not callable toJSON test * Add toJSON call arguments test * Add replacer array wrong types test * Rename & improve string space test * Rename & improve replacer wrong type test * Add built-in object requirements test * Add basic toJSON result test * Add abrupt array value test * Add abrupt object value test * Rename & merge space number clamp tests * Add replacer function wrapper test * Add symbol value test * Add negative zero value test * Add replacer function & toJSON test * Add circular object from toJSON test * Add circular array from toJSON test * Add circular object from replacer test * Add circular array from replacer test * Add replacer function arguments test * Split & improve proxy value test * Split & improve revoked proxy value test
50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. 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-serializejsonarray
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description: >
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Proxy of an array is treated as an array.
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info: |
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JSON.stringify ( value [ , replacer [ , space ] ] )
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[...]
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12. Return ? SerializeJSONProperty(the empty String, wrapper).
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SerializeJSONProperty ( key, holder )
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[...]
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10. If Type(value) is Object and IsCallable(value) is false, then
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a. Let isArray be ? IsArray(value).
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b. If isArray is true, return ? SerializeJSONArray(value).
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SerializeJSONArray ( value )
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[...]
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6. Let len be ? LengthOfArrayLike(value).
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7. Let index be 0.
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8. Repeat, while index < len
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a. Let strP be ? SerializeJSONProperty(! ToString(index), value).
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features: [Proxy]
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---*/
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var arrayProxy = new Proxy([], {
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get: function(_target, key) {
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if (key === 'length') return 2;
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return Number(key);
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},
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});
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assert.sameValue(
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JSON.stringify(arrayProxy), '[0,1]', 'proxy for an array'
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);
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assert.sameValue(
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JSON.stringify([[arrayProxy]]), '[[[0,1]]]', 'proxy for an array (nested)'
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);
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var arrayProxyProxy = new Proxy(arrayProxy, {});
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assert.sameValue(
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JSON.stringify([[arrayProxyProxy]]),
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'[[[0,1]]]',
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'proxy for a proxy for an array (nested)'
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);
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