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❌ Build ds-cassandra-pr-gate/PR-2152 rejected by Butler2 regressions found Found 2 new test failures
Found 3 known test failures |
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This commit attempts to improve quality of RebufferingInputStream and its implementations by the following changes: - `reBuffer` contract has been documented - `reBuffer` implementations no longer throw to indicate EOF - `reBuffer` implementations fill at least 1 byte when not on EOF - `reBuffer` implementations do not leave null buffer after exiting normally - state Preconditions have been added to `reBuffer` - `readFully` has been rewritten to rely on the Java contract of `read` which is allowed to read less than `len` bytes, instead of assuming non-standard behaviour present in the old `read` implementation - `read` has been significantly simplified, yet it still obeys the Java InputStream contract - some code has been made final / moved to private to disallow accidental breakage of contracts in subclasses Those are not just code-style changes. In particular the following contract violating behaviors should be impossible now: - `read` throwing EOFException - `readFully` throwing EOFException before reaching the real end of stream Additionally, a comprehensive test suite has been added for `RebufferingInputStream`, which tests its logic in isolation from its concrete implementations.
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scottfines
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Jan 13, 2026
scottfines
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I'm too new to be comfortable approving PRs just yet, but FWIW this looks good to me.
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This commit attempts to improve quality of RebufferingInputStream
and its implementations by the following changes:
reBuffercontract has been documentedreBufferimplementations no longer throw to indicate EOFreBufferimplementations fill at least 1 byte when not on EOFreBufferimplementations do not leave null buffer after exitingnormally
reBufferreadFullyhas been rewritten to rely on the Java contract ofreadwhich is allowed to read less than
lenbytes, instead of assumingnon-standard behaviour present in the old
readimplementationreadhas been significantly simplified, yet it still obeysthe Java InputStream contract
accidental breakage of contracts in subclasses
Those are not just code-style changes. In particular the following
contract violating behaviors should be impossible now:
readthrowing EOFExceptionreadFullythrowing EOFException before reaching the realend of stream