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16.test.js
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const { describeDay } = require('../test-utils')
const I = require('iter-tools')
const COMPLEX_INPUT_1 = (12345678)
.toString()
.padStart(8, '0')
.split('')
.map((x) => parseInt(x, 10))
const COMPLEX_INPUT_2 = (48226158)
.toString()
.padStart(8, '0')
.split('')
.map((x) => parseInt(x, 10))
const COMPLEX_INPUT_3 = (34040438)
.toString()
.padStart(8, '0')
.split('')
.map((x) => parseInt(x, 10))
const COMPLEX_INPUT_4 = (3415518)
.toString()
.padStart(8, '0')
.split('')
.map((x) => parseInt(x, 10))
const COMPLEX_INPUT_5 = (1029498)
.toString()
.padStart(8, '0')
.split('')
.map((x) => parseInt(x, 10))
const PATTERN = [0, 1, 0, -1]
describeDay(
2019,
16,
'23135243',
'21130597',
({ makePattern, applyPattern, phase }) => {
describe('makePattern', () => {
test('Repeat once', () => {
expect.assertions(1)
expect([...I.take(10, makePattern([1, 2, 3], 1))]).toEqual([
2, 3, 1, 2, 3, 1, 2, 3, 1, 2,
])
})
test('Repeat twice', () => {
expect.assertions(1)
expect([...I.take(10, makePattern([1, 2, 3], 2))]).toEqual([
1, 2, 2, 3, 3, 1, 1, 2, 2, 3,
])
})
})
describe('applyPattern', () => {
test('Simple input', () => {
expect.assertions(1)
expect(applyPattern([9, 8, 7, 6, 5], makePattern([3, 1, 2], 1))).toBe(2)
})
test('Complex input', () => {
expect.assertions(32)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 1))).toEqual(
COMPLEX_INPUT_2[0],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 2))).toEqual(
COMPLEX_INPUT_2[1],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 3))).toEqual(
COMPLEX_INPUT_2[2],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 4))).toEqual(
COMPLEX_INPUT_2[3],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 5))).toEqual(
COMPLEX_INPUT_2[4],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 6))).toEqual(
COMPLEX_INPUT_2[5],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 7))).toEqual(
COMPLEX_INPUT_2[6],
)
expect(applyPattern(COMPLEX_INPUT_1, makePattern(PATTERN, 8))).toEqual(
COMPLEX_INPUT_2[7],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 1))).toEqual(
COMPLEX_INPUT_3[0],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 2))).toEqual(
COMPLEX_INPUT_3[1],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 3))).toEqual(
COMPLEX_INPUT_3[2],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 4))).toEqual(
COMPLEX_INPUT_3[3],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 5))).toEqual(
COMPLEX_INPUT_3[4],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 6))).toEqual(
COMPLEX_INPUT_3[5],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 7))).toEqual(
COMPLEX_INPUT_3[6],
)
expect(applyPattern(COMPLEX_INPUT_2, makePattern(PATTERN, 8))).toEqual(
COMPLEX_INPUT_3[7],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 1))).toEqual(
COMPLEX_INPUT_4[0],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 2))).toEqual(
COMPLEX_INPUT_4[1],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 3))).toEqual(
COMPLEX_INPUT_4[2],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 4))).toEqual(
COMPLEX_INPUT_4[3],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 5))).toEqual(
COMPLEX_INPUT_4[4],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 6))).toEqual(
COMPLEX_INPUT_4[5],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 7))).toEqual(
COMPLEX_INPUT_4[6],
)
expect(applyPattern(COMPLEX_INPUT_3, makePattern(PATTERN, 8))).toEqual(
COMPLEX_INPUT_4[7],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 1))).toEqual(
COMPLEX_INPUT_5[0],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 2))).toEqual(
COMPLEX_INPUT_5[1],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 3))).toEqual(
COMPLEX_INPUT_5[2],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 4))).toEqual(
COMPLEX_INPUT_5[3],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 5))).toEqual(
COMPLEX_INPUT_5[4],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 6))).toEqual(
COMPLEX_INPUT_5[5],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 7))).toEqual(
COMPLEX_INPUT_5[6],
)
expect(applyPattern(COMPLEX_INPUT_4, makePattern(PATTERN, 8))).toEqual(
COMPLEX_INPUT_5[7],
)
})
})
describe('phase', () => {
test('Complex input', () => {
expect.assertions(4)
expect([...phase(PATTERN, COMPLEX_INPUT_1)]).toEqual(COMPLEX_INPUT_2)
expect([...phase(PATTERN, COMPLEX_INPUT_2)]).toEqual(COMPLEX_INPUT_3)
expect([...phase(PATTERN, COMPLEX_INPUT_3)]).toEqual(COMPLEX_INPUT_4)
expect([...phase(PATTERN, COMPLEX_INPUT_4)]).toEqual(COMPLEX_INPUT_5)
})
})
},
)