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Life: tests

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He4eT 2019-09-23 17:52:21 +05:00
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import test from 'ava'
import {
countNeighbours,
deadOrAlive,
lifeStep
} from '../src/life'
test('Count neighbours', t => {
const grid = [
[0, 0, 0],
[0, 0, 1],
[0, 1, 0]]
const cn = countNeighbours(grid)
t.deepEqual(cn([0, 0]), [0, 0])
t.deepEqual(cn([0, 1]), [1, 0])
t.deepEqual(cn([0, 2]), [1, 0])
t.deepEqual(cn([1, 1]), [2, 0])
t.deepEqual(cn([2, 2]), [2, 0])
t.deepEqual(cn([1, 2]), [1, 1])
})
test('Dead or alive: from 0 to...', t => {
t.is(deadOrAlive([0, 0]), 0)
t.is(deadOrAlive([2, 0]), 0)
t.is(deadOrAlive([3, 0]), 1)
t.is(deadOrAlive([4, 0]), 0)
t.is(deadOrAlive([8, 0]), 0)
})
test('Dead or alive: from 1 to...', t => {
t.is(deadOrAlive([0, 1]), 0)
t.is(deadOrAlive([1, 1]), 0)
t.is(deadOrAlive([2, 1]), 1)
t.is(deadOrAlive([3, 1]), 1)
t.is(deadOrAlive([4, 1]), 0)
t.is(deadOrAlive([5, 1]), 0)
})
test('Life step: block', t => {
const block = [
[0, 0, 0, 0],
[0, 1, 1, 0],
[0, 1, 1, 0],
[0, 0, 0, 0]]
t.deepEqual(lifeStep(block), block)
})
test('Life step: blinker', t => {
const blinker1 = [
[0, 0, 0, 0, 0],
[0, 0, 1, 0, 0],
[0, 0, 1, 0, 0],
[0, 0, 1, 0, 0],
[0, 0, 0, 0, 0]]
const blinker2 = [
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 1, 1, 1, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]]
t.deepEqual(lifeStep(blinker1), blinker2)
t.deepEqual(lifeStep(blinker2), blinker1)
})