Array assertions

[lutovich]

Overview

This commit introduces all possible variants of assertArrayEquals method for:

• primitive types
• float arrays within the given float delta
• double arrays within the given double delta
• object arrays, which are examined deeply like in Arrays#deepEquals()

---

I hereby agree to the terms of the JUnit Contributor License Agreement.

[lutovich]

Array assertions are in Assertions class and not in a dedicated helper like ArrayAssertions because:

1. this reminds JUnit 4 and might feel more native to users
2. they reuse private helper methods from Assertions to format values, compare numbers, etc.

At the same time, users mostly static import all assertion methods anyway so ArrayAssertions could be a good place. This will keep JUnit code a bit cleaner and make Assertions class a bit smaller. Item (2) could be solved by some helper class that holds all message formatting functionality.

Please let me know if array assertions should be moved to a separate class.

[sbrannen]

in progress

[sbrannen]

This has been merged into master in 0ef3701.

[sbrannen]

@lutovich,

Thanks for the contribution.

Well implemented and thoroughly tested! 👍

Regarding creating a new ArrayAssertions class, I agree that Assertions has become quite large in the meanwhile, but let's hold off on that for now.