90 lines
2.5 KiB
Go
90 lines
2.5 KiB
Go
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package tins2021
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"opslag.de/schobers/geom"
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)
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func TestTilesNotTraversableWhenNoTile(t *testing.T) {
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tiles := Tiles{}
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pos := geom.ZeroPt
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tiles[pos] = &Tile{}
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for _, dir := range AllDirections {
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_, ok := tiles.CanMove(pos, dir)
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assert.False(t, ok)
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}
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}
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func TestTilesIsTraversableInDirection(t *testing.T) {
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tiles := Tiles{}
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center := geom.Pt(1, 1)
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tiles[center] = &Tile{}
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for _, dir := range AllDirections {
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tiles[AdjacentPosition(center, dir)] = &Tile{}
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}
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tiles[geom.Pt(1, 2)] = &Tile{}
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for _, dir := range AllDirections {
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pos, ok := tiles.CanMove(center, dir)
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assert.True(t, ok)
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assert.Equal(t, AdjacentPosition(center, dir), pos)
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}
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}
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func TestTilesNotTraversableWhenGoingUpFromInversedTile(t *testing.T) {
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tiles := Tiles{}
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center := geom.Pt(1, 1)
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tiles[center] = &Tile{Inversed: true}
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leftUp := AdjacentPosition(center, DirectionUpLeft)
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rightUp := AdjacentPosition(center, DirectionUpRight)
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tiles[leftUp] = &Tile{}
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tiles[rightUp] = &Tile{}
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_, ok := tiles.CanMove(center, DirectionUpLeft)
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assert.False(t, ok)
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_, ok = tiles.CanMove(center, DirectionUpLeft)
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assert.False(t, ok)
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}
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func TestTilesNotTraversableWhenGoingDownToInversedTile(t *testing.T) {
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tiles := Tiles{}
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center := geom.Pt(1, 1)
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tiles[center] = &Tile{}
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leftDown := AdjacentPosition(center, DirectionDownLeft)
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rightDown := AdjacentPosition(center, DirectionDownRight)
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tiles[leftDown] = &Tile{Inversed: true}
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tiles[rightDown] = &Tile{Inversed: true}
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_, ok := tiles.CanMove(center, DirectionDownLeft)
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assert.False(t, ok)
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_, ok = tiles.CanMove(center, DirectionDownLeft)
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assert.False(t, ok)
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}
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func TestTilesTraversableWhenGoingDownFromInversedTile(t *testing.T) {
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tiles := Tiles{}
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center := geom.Pt(1, 1)
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tiles[center] = &Tile{Inversed: true}
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leftDown := AdjacentPosition(center, DirectionDownLeft)
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rightDown := AdjacentPosition(center, DirectionDownRight)
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tiles[leftDown] = &Tile{}
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tiles[rightDown] = &Tile{}
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_, ok := tiles.CanMove(center, DirectionDownLeft)
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assert.True(t, ok)
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_, ok = tiles.CanMove(center, DirectionDownLeft)
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assert.True(t, ok)
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}
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func TestTilesTraversableWhenGoingUpToInversedTile(t *testing.T) {
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tiles := Tiles{}
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center := geom.Pt(1, 1)
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tiles[center] = &Tile{}
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leftUp := AdjacentPosition(center, DirectionUpLeft)
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rightUp := AdjacentPosition(center, DirectionUpRight)
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tiles[leftUp] = &Tile{Inversed: true}
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tiles[rightUp] = &Tile{Inversed: true}
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_, ok := tiles.CanMove(center, DirectionUpLeft)
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assert.True(t, ok)
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_, ok = tiles.CanMove(center, DirectionUpLeft)
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assert.True(t, ok)
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}
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