shithub: jbig2

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jbig2dec: Make tests expect that some test files return white image.

Previously these tests would just error out and jbig2dec would not
return any output file at all. Now, jbig2dec parses as much as
possible, while emitting warning/error messages. In the case of a
few of the test files the end result is a white image.

--- a/test_jbig2dec.py

+++ b/test_jbig2dec.py

@@ -60,6 +60,7 @@

   # hashes of known test inputs

   known_NOTHING_DECODED = "da39a3ee5e6b4b0d3255bfef95601890afd80709"

+  known_WHITE_PAGE_DECODED = "28a6bd83a8a3a36910fbc1f5ce06c962e4332911"

   known_042_DECODED = "ebfdf6e2fc5ff3ee2271c2fa19de0e52712046e8"

   known_amb_DECODED = "3d4b7992d506894662b53415bd3d0d2a2f8b7953"

@@ -103,10 +104,10 @@

 			known_042_DECODED),

                    ('../ubc/042_13.jb2',

 			"7d428bd542f58591b254d9827f554b0552c950a7",

-			known_NOTHING_DECODED),

+			known_WHITE_PAGE_DECODED),

                    ('../ubc/042_14.jb2',

 			"c40fe3a02acb6359baf9b40fc9c49bc0800be589",

-			known_NOTHING_DECODED),

+			known_WHITE_PAGE_DECODED),

                    ('../ubc/042_15.jb2',

 			"a9e39fc1ecb178aec9f05039514d75ea3246246c",

 			known_042_DECODED),