Chris Nauroth created HADOOP-19400:
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Summary: Expand specification and contract test coverage for
InputStream reads.
Key: HADOOP-19400
URL: https://issues.apache.org/jira/browse/HADOOP-19400
Project: Hadoop Common
Issue Type: Improvement
Components: documentation, fs, test
Reporter: Chris Nauroth
Assignee: Chris Nauroth
This issue is a spin-off from HADOOP-19389, specifically [this code review
discussion|https://github.com/apache/hadoop/pull/7291#discussion_r1920495312].
We can enhance the FS specification and contract tests to cover expected
semantics of the {{InputStream}} single-byte and multi-byte read methods:
* Multi-byte read should validate the arguments passed to it, according to the
pattern established in the JDK base {{InputStream}} class.
* You should get the same bytes whether going through single-byte or multi-byte
read.
* It is legal to mix calls to single-byte and multi-byte read, and this should
also yield the same bytes.
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