import { TileCoordinate } from './TileCoordinate'

describe('TileCoordinate', () => {
  test('getParent', () => {
    const tile = new TileCoordinate()
    tile.set(0, 0, 1)
    expect(tile.getParent()).toMatchObject({ x: 0, y: 0, z: 0 })
    tile.set(1, 0, 1)
    expect(tile.getParent()).toMatchObject({ x: 0, y: 0, z: 0 })
    tile.set(0, 1, 1)
    expect(tile.getParent()).toMatchObject({ x: 0, y: 0, z: 0 })
    tile.set(1, 1, 1)
    expect(tile.getParent()).toMatchObject({ x: 0, y: 0, z: 0 })
    tile.set(2, 0, 1)
    expect(tile.getParent()).toMatchObject({ x: 1, y: 0, z: 0 })
    tile.set(3, 0, 1)
    expect(tile.getParent()).toMatchObject({ x: 1, y: 0, z: 0 })
    tile.set(2, 1, 1)
    expect(tile.getParent()).toMatchObject({ x: 1, y: 0, z: 0 })
    tile.set(3, 1, 1)
    expect(tile.getParent()).toMatchObject({ x: 1, y: 0, z: 0 })
  })

  test('traverseChildren', () => {
    const tile = new TileCoordinate()
    const child = new TileCoordinate()
    const iterator = tile.traverseChildren(1, child)
    expect(iterator.next().done).toBe(false)
    expect(child).toMatchObject({ x: 0, y: 0, z: 1 })
    expect(iterator.next().done).toBe(false)
    expect(child).toMatchObject({ x: 1, y: 0, z: 1 })
    expect(iterator.next().done).toBe(false)
    expect(child).toMatchObject({ x: 0, y: 1, z: 1 })
    expect(iterator.next().done).toBe(false)
    expect(child).toMatchObject({ x: 1, y: 1, z: 1 })
    expect(iterator.next().done).toBe(true)
  })
})