No bug - Add paragraph about the size of reftests.

This commit is contained in:
L. David Baron 2014-04-09 21:47:57 -07:00
parent 5de13f836a
commit 6844a6d30a

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@ -8,6 +8,15 @@ in the same format. The tests are run based on a manifest file, and for
each test, PASS or FAIL is reported, and UNEXPECTED is reported if the
result (PASS or FAIL) was not the expected result noted in the manifest.
Images of the display of both tests are captured, and most test types
involve comparing these images (e.g., test types == or !=) to determine
whether the test passed. The captures of the tests are taken in a
viewport that is 800 pixels wide and 1000 pixels tall, so any content
outside that area will be ignored (except for any scrollbars that are
displayed). Ideally, however, tests should be written so that they fit
within 600x600, since we may in the future want to switch to 600x600 to
match http://lists.w3.org/Archives/Public/www-style/2012Sep/0562.html .
Why this way?
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