Some sample JSON files to test your parser
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json-checker
LICENSE
README.md

README.md

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

Some links

  • RFC 7159 - The JavaScript Object Notation (JSON) Data Interchange Format
  • JSON.org

License

You can use my work under the Artistic License 2.0.

These files came to me with no note of a license, but the JSON Checker code. I don't think this is a valid license since the terms "Good" and "Evil" aren't defined. Some people already think JavaScript is evil. So how woudl that work?

/*
Copyright (c) 2005 JSON.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

The Software shall be used for Good, not Evil.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/