Protect against overflow/underflow for integer record types #110
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@@ Coverage Diff @@
## master #110 +/- ##
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- Coverage 87.03% 86.90% -0.14%
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Files 14 14
Lines 972 985 +13
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+ Hits 846 856 +10
- Misses 126 129 +3
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Thinking about it, in its current form this PR does mean you can no longer signal a boolOut/mbbOut record is in an invalid state by setting an out-of-range number to trigger the "ILLEGAL VALUE" error handling in EPICS. That's related to issue #53. I don't know if this is a significant concern. |
Long records restricted to int32 min/max, bool to 0 or 1, mbb to 0-15.
This will cause data validation to occur for caput'd values Also fix tests (previously we were putting invalid values to bool records)
Note we have to skip mbbOut record testing, as for some reason cothread caput succeeds for this record type but not for the others
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Long, Bool and MBB record types are now protected from out of range values -
.set()will throw an exception, andcaput()will fail to store the new value. This means records can no longer be put into invalid values, or suffer from integer overflow/underflow.Also correct an oversight in
get_field_offsets, to properly raise a Python exception when the record type cannot be found.Closes #66