2023 day 10

2023/10/part2/lib/lib_test.go

@@ -0,0 +1,88 @@
+
+package part2
+
+import (
+	"testing"
+	"reflect"
+)
+
+var inputMap = []string{
+	"...........",
+	".S-------7.",
+	".|F-----7|.",
+	".||.....||.",
+	".||.....||.",
+	".|L-7.F-J|.",
+	".|..|.|..|.",
+	".L--J.L--J.",
+	"...........",
+}
+
+var complexMap = []string{
+	"FF7FSF7F7F7F7F7F---7",
+	"L|LJ||||||||||||F--J",
+	"FL-7LJLJ||||||LJL-77",
+	"F--JF--7||LJLJ7F7FJ-",
+	"L---JF-JLJ.||-FJLJJ7",
+	"|F|F-JF---7F7-L7L|7|",
+	"|FFJF7L7F-JF7|JL---7",
+	"7-L-JL7||F7|L7F-7F7|",
+	"L.L7LFJ|||||FJL7||LJ",
+	"L7JLJL-JLJLJL--JLJ.L",
+}
+
+var anotherMap = []string{
+	".F----7F7F7F7F-7....",
+	".|F--7||||||||FJ....",
+	".||.FJ||||||||L7....",
+	"FJL7L7LJLJ||LJ.L-7..",
+	"L--J.L7...LJS7F-7L7.",
+	"....F-J..F7FJ|L7L7L7",
+	"....L7.F7||L7|.L7L7|",
+	".....|FJLJ|FJ|F7|.LJ",
+	"....FJL-7.||.||||...",
+	"....L---J.LJ.LJLJ...",
+}
+
+var basicMap = []string{
+	".....",
+	".S-7.",
+	".|.|.",
+	".L-J.",
+	".....",
+}
+
+func TestGetLoop(t *testing.T) {
+	loop := GetLoop(basicMap)
+	equal(t, loop, Loop{
+		{1,1}:true,
+		{2,1}:true,
+		{3,1}:true,
+		{3,2}:true,
+		{3,3}:true,
+		{2,3}:true,
+		{1,3}:true,
+		{1,2}:true,
+	})
+}
+
+func TestGetVolume(t *testing.T) {
+	v := GetVolume(inputMap)
+	equal(t, v, 4)
+}
+
+func TestGetVolumeComplex(t *testing.T) {
+	v := GetVolume(complexMap)
+	equal(t, v, 10)
+}
+
+func TestGetVolumeAgain(t *testing.T) {
+	v := GetVolume(anotherMap)
+	equal(t, v, 8)
+}
+
+func equal(t *testing.T, actual any, target any) {
+	if !reflect.DeepEqual(actual, target) {
+		t.Errorf("expected %v, got %v", target, actual)
+	}
+}