chore: save day18 (#12)

Reviewed-on: #12

aoc_test.go

@@ -0,0 +1,93 @@
+package aoc_test
+
+import (
+	"testing"
+
+	"github.com/matryer/is"
+	aoc "go.sour.is/advent-of-code"
+)
+
+func TestReverse(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.Reverse([]int{1, 2, 3, 4}), []int{4, 3, 2, 1})
+}
+
+func TestLCM(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.LCM([]int{}...), 0)
+	is.Equal(aoc.LCM(5), 5)
+	is.Equal(aoc.LCM(5, 3), 15)
+	is.Equal(aoc.LCM(5, 3, 2), 30)
+}
+
+func TestReadStringToInts(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.ReadStringToInts([]string{"1", "2", "3"}), []int{1, 2, 3})
+}
+
+func TestRepeat(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.Repeat(5, 3), []int{5, 5, 5})
+}
+
+func TestPower2(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.Power2(0), 1)
+	is.Equal(aoc.Power2(1), 2)
+	is.Equal(aoc.Power2(2), 4)
+}
+
+func TestABS(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(aoc.ABS(1), 1)
+	is.Equal(aoc.ABS(0), 0)
+	is.Equal(aoc.ABS(-1), 1)
+}
+
+func TestTranspose(t *testing.T) {
+	is := is.New(t)
+
+	is.Equal(
+		aoc.Transpose(
+			[][]int{
+				{1, 1},
+				{0, 0},
+				{1, 1},
+			},
+		),
+		[][]int{
+			{1, 0, 1},
+			{1, 0, 1},
+		},
+	)
+}
+
+func TestList(t *testing.T) {
+	is := is.New(t)
+
+	lis := aoc.NewList[int](nil)
+	lis.Add(5, 0)
+
+	a, _ := lis.Head().Value()
+
+	is.Equal(a, 5)
+}
+
+func TestGraph(t *testing.T) {
+	g := aoc.Graph[int, uint](7)
+	g.AddEdge(0, 1, 2)
+	g.AddEdge(0, 2, 6)
+	g.AddEdge(1, 3, 5)
+	g.AddEdge(2, 3, 8)
+	g.AddEdge(3, 4, 10)
+	g.AddEdge(3, 5, 15)
+	g.AddEdge(4, 6, 2)
+	g.AddEdge(5, 6, 6)
+	// g.Dijkstra(0)
+}