This repository contains tests to validate the implementability of the W3C's EPUB 3.3 specifications, specifically core EPUB 3.3 (the spec for the EPUB format itself) and EPUB Reading Systems 3.3 (the spec for applications that read EPUB files). Our objective is to test every normative statement (that is, every MUST or SHOULD or MAY, etc.).

The test reports describe all the tests, including implementation results and how to contribute.