UCD 17 draft Blocks bugs

[markusicu]

fix bugs reported in ReportID: ID20241210012540 / PAG issue 356

• https://github.com/unicode-org/properties/issues/356

[eggrobin]

Blocks.txt should really be regenerated, that would at least solve the sorting issue.

We should probably also test that blocks start in 0 and end in F.

[markusicu]

We should probably also test that blocks start in 0 and end in F.

• test that each block is xxx0..yyyF #987

[markusicu]

@eggrobin I am now getting the same NPE that you are working on in your PR. Ok if I ignore it here?

Error:  Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 38.871 s <<< FAILURE! - in org.unicode.text.UCD.TestTestUnicodeInvariants
Error:  org.unicode.text.UCD.TestTestUnicodeInvariants.testAdditionComparisons  Time elapsed: 0.001 s  <<< ERROR!
java.lang.NullPointerException
	at org.unicode.text.UCD.TestTestUnicodeInvariants.testAdditionComparisons(TestTestUnicodeInvariants.java:47)

[eggrobin]

I am now getting the same NPE that you are working on in your PR. Ok if I ignore it here?

Yes, please ignore it (and I eventually fixed it in the other PR, so go approve that one :-p)