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// |reftest| shell-option(--enable-json-parse-with-source) skip-if(!JSON.hasOwnProperty('isRawJSON')||!xulRuntime.shell) -- json-parse-with-source is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: V8 mjsunit test for JSON.parse with source snapshotting
includes: [deepEqual.js]
features: [json-parse-with-source]
---*/
const replacements = [42,
['foo'],
{foo:'bar'},
'foo'];
function TestArrayForwardModify(replacement) {
let alreadyReplaced = false;
let expectedKeys = ['0','1',''];
// lol who designed reviver semantics
if (typeof replacement === 'object') {
expectedKeys.splice(1, 0, ...Object.keys(replacement));
}
const o = JSON.parse('[1, 2]', function (k, v, { source }) {
assert.sameValue(expectedKeys.shift(), k);
if (k === '0') {
if (!alreadyReplaced) {
this[1] = replacement;
alreadyReplaced = true;
}
} else if (k !== '') {
assert.sameValue(undefined, source);
}
return this[k];
});
assert.sameValue(0, expectedKeys.length);
assert.deepEqual([1, replacement], o);
}
function TestObjectForwardModify(replacement) {
let alreadyReplaced = false;
let expectedKeys = ['p','q',''];
if (typeof replacement === 'object') {
expectedKeys.splice(1, 0, ...Object.keys(replacement));
}
const o = JSON.parse('{"p":1, "q":2}', function (k, v, { source }) {
assert.sameValue(expectedKeys.shift(), k);
if (k === 'p') {
if (!alreadyReplaced) {
this.q = replacement;
alreadyReplaced = true;
}
} else if (k !== '') {
assert.sameValue(undefined, source);
}
return this[k];
});
assert.sameValue(0, expectedKeys.length);
assert.deepEqual({p:1, q:replacement}, o);
}
for (const r of replacements) {
TestArrayForwardModify(r);
TestObjectForwardModify(r);
}
(function TestArrayAppend() {
let log = [];
const o = JSON.parse('[1,[]]', function (k, v, { source }) {
log.push([k, v, source]);
if (v === 1) {
this[1].push('barf');
}
return this[k];
});
assert.deepEqual([['0', 1, '1'],
['0', 'barf', undefined],
['1', ['barf'], undefined],
['', [1, ['barf']], undefined]],
log);
})();
(function TestObjectAddProperty() {
let log = [];
const o = JSON.parse('{"p":1,"q":{}}', function (k, v, { source }) {
log.push([k, v, source]);
if (v === 1) {
this.q.added = 'barf';
}
return this[k];
});
assert.deepEqual([['p', 1, '1'],
['added', 'barf', undefined],
['q', {added:'barf'}, undefined],
['', {p:1, q:{added:'barf'}}, undefined]],
log);
})();
reportCompare(0, 0);
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