RFR: 8300259: Add test coverage for processing of pending block files in signed JARs

[Alan Bateman]

On Mon, 16 Jan 2023 11:44:36 GMT, Eirik Bjorsnos <duke at openjdk.org> wrote:

> This PR adds test coverage for pending block files in signed JAR files
> 
> A signed JAR has pending block files if the block file [RSA, DSA, EC] comes before the corresponding signature file [SF] in the JAR. 
> 
> JarVerifier.processEntry supports processing of such pending block files, but this code path does not seem to be exercised by current test.
> 
> The new test PendingBlocksJar checks that signed JARs  with pending blocks are processed correctly, both for the valid and invalid cases.

test/jdk/java/util/jar/JarFile/PendingBlocksJar.java line 45:

> 43: import java.util.zip.ZipOutputStream;
> 44: 
> 45: public class PendingBlocksJar {

Would it be possible to rename this to something like SignedJarPendingBlocks or something like that so that it's clear that this is a test for signed JARs? Or maybe we created a sub-directory and move the tests for signed JARs there.

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PR: https://git.openjdk.org/jdk/pull/12009