I was looking for a set of files to test a JSON parser and found a link to [http://www.json.org/JSON_checker/test.zip]. Although not mentioned on the front page (there are no interior links, not even a contact!), I used the files anyway. However, some of them have problems.
I also found [https://code.google.com/archive/p/json-test-suite/downloads] but haven't looked at it yet.
Issues with the tests
- fail1.json says a string can't be a top level value, but RFC 7159 says otherwise
- fail26.json looks like it should have literal tabs (escaped), but the file has spaces.
- fail18.json checks for depth, but there's no requirement that something fail for that. Some parsers do limit that, but it's not a JSON spec
You can use my work under the Artistic License 2.0.
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