GitHub user YouriAckx opened a pull request:
https://github.com/apache/groovy/pull/402
Extra test cases for Collection .intersect() and .disjoint()
`Collection.intersect()` was partly broken (or at least utterly
inconsistent) between versions `2.4.2` and `2.4.6`. Simple test case:
def foo = [[0, 0], [0, 1]]
def bar = [[0, 1], [1, 1]]
assert [[0, 1]] == foo.intersect(bar)
would fail in the aforementioned versions as `[]` would be returned. This
is fixed in `2.4.7` but to avoid future regressions, it is nice to have test
covering this case, as suggested by @glaforge and @sbglasius on
[Twitter](https://twitter.com/YouriAckx/status/769230038847918080?lang=en).
A basic search didn't reveal any similar test cases (some `Foo`
intersection comparison can be found but it can be seen as a different test
case).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/YouriAckx/groovy intersect
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/groovy/pull/402.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #402
----
commit 881bee52e77a9d7bae1688992b689faf9039664c
Author: Youri Ackx <[email protected]>
Date: 2016-08-28T11:30:00Z
Added test cases for Collection .intersect() and .disjoint()
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