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We then created a pico, named "math", installed in it the round_test ruleset, and visited the Testing tab of the UI:

Using this testing jig, we were satisfied that we were getting good results, documented here:

...

  t.is(
    await kmath.round({}, [0.46]), 0
  )
  t.is(
    await kmath.round({}, [-0.46]), -0
  )
  t.is(
    await kmath.round({}, [-0.46, 1]), -0.5
  )
  t.is(
    await kmath.round({}, [4066, 0]), 4066
  )
  t.is(
    await kmath.round({}, [4066, -1]), 4070
  )
  t.is(
    await kmath.round({}, [4066, -2]), 4100
  )
  t.is(
    await kmath.round({}, [4066, -3]), 4000
  )
  t.is(
    await kmath.round({}, [4066, -4]), 0
  )
  await terr('round', {}, [], 'Error: math:round needs a number')

To run the tests, from within the pico-engine-core folder, use 

$ npm run test

Requesting a review

On the GitHub web site, viewing our pull request, we select a reviewer (near the upper-right corner) and click on that person's name to request a review. Assuming everything is satisfactory, they will accept our change and merge it into the master branch.

While awaiting the review, you can return to the master branch using this command:

git checkout master

See the git cheatsheet for more information.

Cleaning up

Once your pull request has been reviewed and merged into the master branch, you need to do a little clean-up.

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