# imagenorm test fixtures

Go has no encoder for HEIC or WebP, so these small samples are committed rather
than generated at test time. They are used by `TestNormalizeAllFormats` to prove
every accepted format round-trips to JPEG (and, mainly, to catch a dropped blank
import — see the package doc).

- `sample.heic` — a 240×160 gradient, created from a Go-generated PNG with macOS
  `sips -s format heic`. HEVC still-image profile.
- `sample.webp` — a 16×16 image copied from CPython's stdlib test corpus
  (`Lib/test/test_email/data/python.webp`), verified to decode with
  `golang.org/x/image/webp` before committing. Used only as a decode fixture.

Neither contains anything meaningful; they exist purely to be decoded.