2024 Day 03 Part 1

src/main/kotlin/no/rodland/advent_2024/Day03.kt

@@ -0,0 +1,30 @@
+package no.rodland.advent_2024
+
+import no.rodland.advent.Day
+
+// template generated: 03/12/2024
+// Fredrik Rødland 2024
+
+class Day03(val input: List<String>) : Day<Long, Long, List<Pair<Int, Int>>> {
+    private val multRegEx = "mul\\((\\d{1,3}),(\\d{1,3})\\)".toRegex()
+
+    private val parsed = input.parse()
+
+    override fun partOne(): Long {
+        return parsed.sumOf { (a, b) -> a * b }.toLong()
+    }
+
+    override fun partTwo(): Long {
+        return 2
+    }
+
+    override fun List<String>.parse(): List<Pair<Int, Int>> {
+        return flatMap { line ->
+            multRegEx.findAll(line).toList().map { mr ->
+                mr.groupValues[1].toInt() to mr.groupValues[2].toInt()
+            }
+        }
+    }
+
+    override val day = "03".toInt()
+}

src/main/script/download_aoc_input.sh

@@ -22,4 +22,7 @@ git add "src/test/resources/${YEAR}/input_${DAY}_test.txt"
 git commit -a -m "${YEAR} - Day ${DAY} - input/init"
 cd - || exit
 
-tail -10 "$PUZZLE_FILE"
+tail -10 "$PUZZLE_FILE"
+echo
+echo "TEST-FILE: $PUZZLE_FILE_TEST"
+echo "FILE:      $PUZZLE_FILE"

src/test/kotlin/no/rodland/advent_2024/Day03Test.kt

@@ -0,0 +1,82 @@
+package no.rodland.advent_2024
+
+import no.rodland.advent.*
+import org.junit.jupiter.api.Nested
+import org.junit.jupiter.api.Test
+import readFile
+
+//
+//  run: download_aoc_input.sh to download input
+//
+
+@Suppress("ClassName")
+@DisableSlow
+internal class Day03Test {
+    private val data03 = "2024/input_03.txt".readFile()
+    private val test03 = "2024/input_03_test.txt".readFile()
+
+    private val resultTestOne = 161L
+    private val resultTestTwo = 2L
+    private val resultOne = 187825547L
+    private val resultTwo = 2L
+
+    val test = defaultTestSuiteParseOnInit(
+        Day03(data03),
+        Day03(test03),
+        resultTestOne,
+        resultOne,
+        resultTestTwo,
+        resultTwo,
+        { Day03(data03) },
+        { Day03(test03) },
+    )
+
+    @Nested
+    inner class Init {
+        @Test
+        fun `03,-,example,1`() {
+            report(AOCTest({ "123".toInt() }, Unit, 123, 5, "03".toInt(), Part.TWO, false, "example"))
+        }
+
+        @Test
+        fun `03,-,example,2`() {
+            report(test.initTest.copy())
+        }
+
+        @Test
+        fun `03,-,test,init`() {
+            report(test.initTest)
+        }
+
+        @Test
+        fun `03,-,live,init`() {
+            report(test.initLive)
+        }
+    }
+
+    @Nested
+    inner class `Part 1` {
+        @Test
+        fun `03,1,test`() {
+            report(test.testPart1)
+        }
+
+        @Test
+        fun `03,1,live,1`() {
+            report(test.livePart1)
+        }
+    }
+
+    @Nested
+    inner class `Part 2` {
+        @Test
+        fun `03,2,test`() {
+            report(test.testPart2)
+        }
+
+        @Test
+        fun `03,2,live,1`() {
+            report(test.livePart2)
+        }
+    }
+}

src/test/resources/2024/input_03_test.txt

@@ -0,0 +1 @@
+xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))