diff options
Diffstat (limited to 'site')
| -rw-r--r-- | site/dev/testing/testing.md | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/site/dev/testing/testing.md b/site/dev/testing/testing.md index 1ed56235bf..356c74236b 100644 --- a/site/dev/testing/testing.md +++ b/site/dev/testing/testing.md @@ -127,8 +127,13 @@ can be found at dm_output/8888/image/mandrill_132x132_12x12.astc-5-subsets.png. dm.json is used by our automated testing system, so you can ignore it if you like. It contains a listing of each test run and a checksum of the image -generated for that run. (Boring technical detail: it is not a checksum of the -.png file, but rather a checksum of the raw pixels used to create that .png.) +generated for that run. + +### Detail <a name="digests"></a> +Boring technical detail: The checksum is not a checksum of the +.png file, but rather a checksum of the raw pixels used to create that .png. +That means it is possible for two different configurations to produce +the same exact .png, but have their checksums differ. Unit tests don't generally output anything but a status update when they pass. If a test fails, DM will print out its assertion failures, both at the time |