Parsing add-only parts of unified diffs generated by "diff -U 0 ..." fails

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What steps will reproduce the problem?
1. Create patch:
   diff -U 0 uc_original.txt uc_insert_revised.txt > uc_insert_patch.txt
2. Copy *.txt files to test/mocks and EmptyContextUnifiedDiffTest.java to 
diffutils/
3. Run JUnit on EmptyContextUnifiedDiffTest

What is the expected output? What do you see instead?

testUnifiedContextInsert shouldn't fail.

What version of the product are you using? On what operating system?
diffutils-1.2.1.jar
diff (GNU diffutils) 3.0
Ubuntu 10.10

I have included a patch to fix this issue.

Original issue reported on code.google.com by jharj...@gmail.com on 15 Jun 2011 at 8:40

Attachments:

• uc_original.txt
• uc_insert_revised.txt
• uc_insert_patch.txt
• EmptyContextUnifiedDiffTest.java
• DiffUtils.java.patch