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Day14Spec.scala
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Day14Spec.scala
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package com.kensai.aoc.aoc2020
import Day14._
import com.kensai.aoc.lib.Lib.readInputFile
import org.junit.runner.RunWith
import org.scalatest.GivenWhenThen
import org.scalatest.flatspec._
import org.scalatest.matchers.should.Matchers._
import org.scalatestplus.junit.JUnitRunner
@RunWith(classOf[JUnitRunner])
class Day14Spec extends AnyFlatSpec with GivenWhenThen {
private lazy val puzzleInputs = readInputFile(
"src/test/resources/2020/Day14.input"
)
private lazy val specInputs = readInputFile(
"src/test/resources/2020/Day14Spec.input"
)
"doComputePart1 for spec" should "return Map(7 -> 101, 8 -> 64)" in {
val inputMask = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X"
Given(s"Input is Mask($inputMask)")
val input = Input(
mask = Mask(inputMask),
instructions = List(
Instruction(8, 11),
Instruction(7, 101),
Instruction(8, 0)
)
)
When("doComputePart1")
val result = doComputePart1(input)
Then(s"Result is Map(7 -> 101, 8 -> 64)")
result shouldBe Map(7 -> 101, 8 -> 64)
}
"parse for spec" should "return " in {
Given(s"Input is spec")
When("parse")
val result = parse(specInputs)
Then(s"Result is ")
val expected = Input(
mask = Mask("XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X"),
instructions = List(
Instruction(8, 11),
Instruction(7, 101),
Instruction(8, 0)
)
)
result shouldBe List(expected)
}
"parse for puzzle" should "return at least 2 expected" in {
Given(s"Input is puzzle")
When("parse")
val result = parse(puzzleInputs)
Then(s"Result is ")
val expected1 = Input(
mask = Mask("X00X0X0110010001010X0000000010001111"),
instructions = List(
Instruction(36604, 2508973),
Instruction(14290, 80919),
Instruction(6865, 15237),
Instruction(45983, 393572789)
)
)
result should contain(expected1)
val expected2 = Input(
mask = Mask("X101001X0XX00111000110X0010000110110"),
instructions = List(
Instruction(300, 253232),
Instruction(5315, 56368),
Instruction(64425, 18227),
Instruction(20919, 4682858),
Instruction(39194, 54595),
Instruction(32891, 32798017)
)
)
result should contain(expected2)
}
"compute for spec" should "return 165" in {
Given(s"Input is spec")
When("computePart1")
val result = computePart1(specInputs)
Then(s"Result is 165")
result shouldBe 165
}
"computePart1 for puzzle" should "return solution" in {
Given(s"Input is puzzle")
When("compute")
val result = computePart1(puzzleInputs)
Then(s"Result is 5055782549997")
result shouldBe 5055782549997L
}
"mask.computeAddresses for " should "return Set(26L, 27L, 58L, 59L)" in {
val mask = Mask("000000000000000000000000000000X1001X")
Given(s"Input is $mask")
When("compute")
val result = mask.computeAddresses(42L)
Then(s"Result is Set(26L, 27L, 58L, 59L)")
result shouldBe Set(26L, 27L, 58L, 59L)
}
"doComputePart2 for (42, 100)" should "return Map(26L -> 100L, 27L -> 100L, 58L -> 100L, 59L -> 100L)" in {
val inputMask = "000000000000000000000000000000X1001X"
Given(s"Input is Mask($inputMask)")
val input = Input(
mask = Mask(inputMask),
instructions = List(
Instruction(42, 100)
)
)
When("doComputePart2")
val result = doComputePart2(input)
Then(s"Result is Map(26L -> 100L, 27L -> 100L, 58L -> 100L, 59L -> 100L)")
result shouldBe Map(26L -> 100L, 27L -> 100L, 58L -> 100L, 59L -> 100L)
}
"doComputePart2 for (26, 1)" should "return Map(16L -> 1, 17L -> 1, 18L -> 1L, 19L -> 1L, 24L -> 1L, 25L -> 1L, 26L -> 1L, 27L -> 1L)" in {
val inputMask = "00000000000000000000000000000000X0XX"
Given(s"Input is Mask($inputMask)")
val input = Input(
mask = Mask(inputMask),
instructions = List(
Instruction(26, 1)
)
)
When("doComputePart2")
val result = doComputePart2(input)
Then(
s"Result is Map(16L -> 1, 17L -> 1, 18L -> 1L, 19L -> 1L, 24L -> 1L, 25L -> 1L, 26L -> 1L, 27L -> 1L)"
)
result shouldBe Map(
16L -> 1,
17L -> 1,
18L -> 1L,
19L -> 1L,
24L -> 1L,
25L -> 1L,
26L -> 1L,
27L -> 1L
)
}
"computePart2 for spec" should "return 208" in {
Given(s"Input is spec")
val input1 = Input(
mask = Mask("000000000000000000000000000000X1001X"),
instructions = List(
Instruction(42, 100)
)
)
val input2 = Input(
mask = Mask("00000000000000000000000000000000X0XX"),
instructions = List(
Instruction(26, 1)
)
)
When("computePart2")
val result = computePart2(List(input1, input2))
Then(s"Result is 208")
result shouldBe 208L
}
"computePart2 for puzzle" should "return solution" in {
Given(s"Input is spec")
When("computePart2")
val result = computePart2(puzzleInputs)
Then(s"Result is 4795970362286")
result shouldBe 4795970362286L
}
}