aoc/2023/10/part1/lib/lib_test.go
2023-12-10 19:09:44 +00:00

132 lines
2.1 KiB
Go

package part1
import (
"testing"
"reflect"
"bufio"
"strings"
)
const basicInput =
".....\n" +
".S-7.\n" +
".|.|.\n" +
".L-J.\n" +
".....\n"
var basicMap = []string{
".....",
".S-7.",
".|.|.",
".L-J.",
".....",
}
const complexInput =
"7-F7-\n" +
".FJ|7\n" +
"SJLL7\n" +
"|F--J\n" +
"LJ.LJ\n"
var complexMap = []string{
"7-F7-",
".FJ|7",
"SJLL7",
"|F--J",
"LJ.LJ",
}
func TestReadMap(t *testing.T) {
reader := bufio.NewScanner(strings.NewReader(basicInput));
pipes := ReadMap(reader)
equal(t, pipes, basicMap)
}
func TestReadMapComplex(t *testing.T) {
reader := bufio.NewScanner(strings.NewReader(complexInput));
pipes := ReadMap(reader)
equal(t, pipes, complexMap)
}
func TestFindStart(t *testing.T) {
x,y := FindStart(basicMap)
equal(t, x, 1)
equal(t, y, 1)
}
func TestFindStartComplex(t *testing.T) {
x,y := FindStart(complexMap)
equal(t, x, 0)
equal(t, y, 2)
}
func TestFindFirstBasic(t *testing.T) {
x,y := 1,1
side,newX,newY := FindFirst(basicMap, x,y)
equal(t, side, 0)
equal(t, newX, 2)
equal(t, newY, 1)
}
func TestFindFirstComplex(t *testing.T) {
x,y := 0, 2
side,newX,newY := FindFirst(complexMap, x,y)
equal(t, side, 1)
equal(t, newX, 1)
equal(t, newY, 2)
}
func TestGetSide(t *testing.T) {
side,ok := GetSide(basicMap, 1,1, 2,1)
equal(t, side, 0)
equal(t, ok, true)
}
func TestFindNext(t *testing.T) {
cx,cy := 2,1
s,nx,ny := FindNext(basicMap, 0, cx,cy)
equal(t, nx, 3)
equal(t, ny, 1)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 3)
equal(t, ny, 2)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 3)
equal(t, ny, 3)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 2)
equal(t, ny, 3)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 1)
equal(t, ny, 3)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 1)
equal(t, ny, 2)
s,nx,ny = FindNext(basicMap, s, nx,ny)
equal(t, nx, 1)
equal(t, ny, 1)
}
func TestLoopSize(t *testing.T) {
size := LoopSize(basicMap)
equal(t, size, 8)
size = LoopSize(complexMap)
equal(t, size, 16)
}
func equal(t *testing.T, actual any, target any) {
if !reflect.DeepEqual(actual, target) {
t.Errorf("expected %v, got %v", target, actual)
}
}