import {describe, expect, it} from '@jest/globals'
import {type InsertTextOperation, type Range} from 'slate'

import {moveRangeByOperation} from '../ranges'

describe('moveRangeByOperation', () => {
  it('should move range when inserting text in front of it', () => {
    const range: Range = {anchor: {path: [0, 0], offset: 1}, focus: {path: [0, 0], offset: 3}}
    const operation: InsertTextOperation = {
      type: 'insert_text',
      path: [0, 0],
      offset: 0,
      text: 'foo',
    }
    const newRange = moveRangeByOperation(range, operation)
    expect(newRange).toEqual({anchor: {path: [0, 0], offset: 4}, focus: {path: [0, 0], offset: 6}})
  })
})