Fix #2581, Adding bytes read check #2584
Merged
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Checklist (Please check before submitting)
Describe the contribution
Fixes #2581
Testing performed
Added a unit test to simulate scenario where the file read operation reads fewer bytes than expected.
Expected behavior changes
When a read operation fails, the system now exits the function early, preventing potential undefined behavior.
System(s) tested on
OS: Ubuntu 18.04
Contributor Info - All information REQUIRED for consideration of pull request
Tvisha Andharia - GSFC 582 intern