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direction_test.go
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package aoc_test
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/teivah/go-aoc"
)
func TestLocation(t *testing.T) {
l := aoc.NewLocation(1, 1, aoc.Right)
assert.Equal(t, "dir=right, pos=row=1, col=1", l.String())
assert.Equal(t, aoc.Location{Dir: aoc.Up, Pos: aoc.Position{Row: 0, Col: 1}}, l.Turn(aoc.Left, 1))
assert.Equal(t, aoc.Location{Dir: aoc.Up, Pos: aoc.Position{Row: -1, Col: 1}}, l.Turn(aoc.Left, 2))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Rev(1))
assert.Equal(t, aoc.Location{Dir: aoc.Right, Pos: aoc.Position{Row: 1, Col: 2}}, l.Straight(1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Move(aoc.Left, 1))
assert.Equal(t, aoc.Location{Dir: aoc.DownLeft, Pos: aoc.Position{Row: 2, Col: 0}}, l.Move(aoc.DownLeft, 1))
l = aoc.NewLocation(1, 1, aoc.Left)
assert.Equal(t, aoc.Location{Dir: aoc.Down, Pos: aoc.Position{Row: 2, Col: 1}}, l.Turn(aoc.Left, 1))
assert.Equal(t, aoc.Location{Dir: aoc.Down, Pos: aoc.Position{Row: 3, Col: 1}}, l.Turn(aoc.Left, 2))
assert.Equal(t, aoc.Location{Dir: aoc.Right, Pos: aoc.Position{Row: 1, Col: 2}}, l.Rev(1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Straight(1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Move(aoc.Left, 1))
l = aoc.NewLocation(1, 1, aoc.Up)
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Turn(aoc.Left, 1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: -1}}, l.Turn(aoc.Left, 2))
assert.Equal(t, aoc.Location{Dir: aoc.Down, Pos: aoc.Position{Row: 2, Col: 1}}, l.Rev(1))
assert.Equal(t, aoc.Location{Dir: aoc.Up, Pos: aoc.Position{Row: 0, Col: 1}}, l.Straight(1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Move(aoc.Left, 1))
l = aoc.NewLocation(1, 1, aoc.Down)
assert.Equal(t, aoc.Location{Dir: aoc.Right, Pos: aoc.Position{Row: 1, Col: 2}}, l.Turn(aoc.Left, 1))
assert.Equal(t, aoc.Location{Dir: aoc.Right, Pos: aoc.Position{Row: 1, Col: 3}}, l.Turn(aoc.Left, 2))
assert.Equal(t, aoc.Location{Dir: aoc.Up, Pos: aoc.Position{Row: 0, Col: 1}}, l.Rev(1))
assert.Equal(t, aoc.Location{Dir: aoc.Down, Pos: aoc.Position{Row: 2, Col: 1}}, l.Straight(1))
assert.Equal(t, aoc.Location{Dir: aoc.Left, Pos: aoc.Position{Row: 1, Col: 0}}, l.Move(aoc.Left, 1))
}
func TestName(t *testing.T) {
positions := map[aoc.Position]struct{}{
aoc.NewPosition(-1, 1): {},
aoc.NewPosition(2, 2): {},
}
fmt.Printf("%v\n", aoc.MapPositionsToString(positions))
}