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https://issues.apache.org/jira/browse/LUCENE-7009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15132461#comment-15132461
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Uwe Schindler commented on LUCENE-7009:
---------------------------------------
Very cool! Thanks :-)
I was about to add something similar for the well-known "success=false...
success=true" try-catch-block to oal.util.
> Add expectThrows utility to LuceneTestCase
> ------------------------------------------
>
> Key: LUCENE-7009
> URL: https://issues.apache.org/jira/browse/LUCENE-7009
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Ryan Ernst
> Assignee: Ryan Ernst
> Fix For: master
>
> Attachments: LUCENE-7009.patch
>
>
> In junit5, a neat assertion method is added which makes testing expected
> failures a little more straightforward. The block of code that is
> expected to throw is passed in with a lambda expression, and the caught
> exception returned for inspection. The usage looks something like this:
> {code}
> IOException e = expectThrows(IOException.class, () -> {
> throw new IOException("some io error");
> });
> // assert stuff here about the exception
> {code}
> We should add this to LuceneTestCase until junit5 is available.
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