8385891: Introduce a test for GZIPInputStream whose underlying stream is a blocking InputStream

[jaikiran]

Can I please get a review of this change which proposes to introduce a new jtreg test to cover the case where the underlying InputStream of a GZIPInputStream blocks?

This test should help us catch any future regressions like the one reported recently in https://bugs.openjdk.org/browse/JDK-8377896. In fact, this test when run against a JDK version which has the changes from http://bugs.openjdk.org/browse/JDK-7036144, does indeed reproduce the JDK-8377896 issue.

The test passes in the current mainline.

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Issue

• JDK-8385891: Introduce a test for GZIPInputStream whose underlying stream is a blocking InputStream (Enhancement - P4)

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Update a local copy of the PR:
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$ git pull https://git.openjdk.org/jdk.git pull/31369/head

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$ git pr checkout 31369

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