mirror of https://github.com/tc39/test262.git
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
// Copyright (C) 2019 Aleksey Shvayka. 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-serializejsonproperty
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description: >
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Replacer function is called on result of toJSON method.
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info: |
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JSON.stringify ( value [ , replacer [ , space ] ] )
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[...]
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4. If Type(replacer) is Object, then
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a. If IsCallable(replacer) is true, then
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i. Let ReplacerFunction be replacer.
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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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2. If Type(value) is Object, then
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a. Let toJSON be ? Get(value, "toJSON").
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b. If IsCallable(toJSON) is true, then
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i. Set value to ? Call(toJSON, value, « key »).
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3. If ReplacerFunction is not undefined, then
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a. Set value to ? Call(ReplacerFunction, holder, « key, value »).
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---*/
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assert.sameValue(
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JSON.stringify({
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toJSON: function() {
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return 'toJSON';
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},
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}, function(_key, value) {
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return value + '|replacer';
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}),
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'"toJSON|replacer"'
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);
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assert.sameValue(
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JSON.stringify({
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toJSON: function() {
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return {calls: 'toJSON'};
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},
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}, function(_key, value) {
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if (value && value.calls) {
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value.calls += '|replacer';
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}
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return value;
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}),
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'{"calls":"toJSON|replacer"}'
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);
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