What is it that causes some tests to require baseline images (and not text files) for comparison, while others require text and not image baselines?
(I know that I can specifically SKIP comparison against IMAGE and/or TEXT using test_expectations.txt... but even without the use of test_expectations, I believe that some tests are compared against only text or only image.) As an example, I see that this test has only image baselines and no text baselines: $ ls LayoutTests/platform/*/fast/canvas/canvas-text-baseline*.png | wc -l 10 $ ls LayoutTests/platform/*/fast/canvas/canvas-text-baseline*.txt | wc -l ls: cannot access LayoutTests/platform/*/fast/canvas/canvas-text-baseline*.txt: No such file or directory 0 while this test has only text baselines and no image baselines: $ ls LayoutTests/platform/*/fast/canvas/canvas-lineWidth*.png | wc -l ls: cannot access LayoutTests/platform/*/fast/canvas/canvas-lineWidth*.png: No such file or directory 0 $ ls LayoutTests/platform/*/fast/canvas/canvas-lineWidth*.txt | wc -l 5 Is there something inherent in each test that indicates whether its results will be compared against image and/or text baselines? Or is it simply a matter of what baseline files are found to compare against?
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