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Add the JSON global object with both methods following the sentinel NativeFunction + interpreter interception pattern. The implementation includes a dedicated recursive descent JSON parser (strict spec: no trailing commas, no single quotes, no hex/octal, surrogate pair support), JSON.stringify with replacer function/array, space indentation, toJSON, boxed primitive unwrapping, and circular reference detection via ptr_eq. Safety: depth-limited to 512 levels for both parse and stringify to prevent stack overflow from malicious input. Space string truncation uses char boundaries to avoid panics on multi-byte UTF-8. 138 unit tests, 2 conformance tests (js262). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
22 lines
606 B
JavaScript
22 lines
606 B
JavaScript
// JSON.parse basic tests
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console.log(JSON.parse("null") === null);
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console.log(JSON.parse("true"));
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console.log(JSON.parse("false"));
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console.log(JSON.parse("42"));
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console.log(JSON.parse("-2.75"));
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console.log(JSON.parse('"hello"'));
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var obj = JSON.parse('{"a": 1, "b": "two"}');
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console.log(obj.a);
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console.log(obj.b);
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var arr = JSON.parse("[1, 2, 3]");
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console.log(arr.length);
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console.log(arr[0]);
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console.log(arr[2]);
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// Roundtrip
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var orig = {x: 1, y: [true, null, "z"]};
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var rt = JSON.parse(JSON.stringify(orig));
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console.log(rt.x);
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console.log(rt.y[0]);
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console.log(rt.y[1]);
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console.log(rt.y[2]);
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