text: /**
   * Copyright (c) 2002-2020 "Neo4j,"
   * Neo4j Sweden AB [http://neo4j.com]
   *
   * This file is part of Neo4j.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  import { assertNumber, assertNumberOrInteger } from './internal/util'
  
  const POINT_IDENTIFIER_PROPERTY = '__isPoint__'
  
  /**
   * Represents a single two or three-dimensional point in a particular coordinate reference system.
   * Created `Point` objects are frozen with `Object.freeze()` in constructor and thus immutable.
   */
  export class Point {
    /**
     * @constructor
     * @param {Integer|number} srid - The coordinate reference system identifier.
     * @param {number} x - The `x` coordinate of the point.
     * @param {number} y - The `y` coordinate of the point.
     * @param {number} [z=undefined] - The `z` coordinate of the point or `undefined` if point has 2 dimensions.
     */
    constructor (srid, x, y, z) {
      /**
       * The coordinate reference system identifier.
       * @type {Integer|number}
       */
      this.srid = assertNumberOrInteger(srid, 'SRID')
      /**
       * The `x` coordinate of the point.
       * @type {number}
       */
      this.x = assertNumber(x, 'X coordinate')
      /**
       * The `y` coordinate of the point.
       * @type {number}
       */
      this.y = assertNumber(y, 'Y coordinate')
      /**
       * The `z` coordinate of the point or `undefined` if point is 2-dimensional.
       * @type {number}
       */
      this.z = z === null || z === undefined ? z : assertNumber(z, 'Z coordinate')
      Object.freeze(this)
    }
  
    /**
     * @ignore
     */
    toString () {
      return this.z || this.z === 0
        ? `Point{srid=${formatAsFloat(this.srid)}, x=${formatAsFloat(
            this.x
          )}, y=${formatAsFloat(this.y)}, z=${formatAsFloat(this.z)}}`
        : `Point{srid=${formatAsFloat(this.srid)}, x=${formatAsFloat(
            this.x
          )}, y=${formatAsFloat(this.y)}}`
    }
  }
  
  function formatAsFloat (number) {
    return Number.isInteger(number) ? number + '.0' : number.toString()
  }
  
  Object.defineProperty(Point.prototype, POINT_IDENTIFIER_PROPERTY, {
    value: true,
    enumerable: false,
    configurable: false,
    writable: false
  })
  
  /**
   * Test if given object is an instance of {@link Point} class.
   * @param {Object} obj the object to test.
   * @return {boolean} `true` if given object is a {@link Point}, `false` otherwise.
   */
  export function isPoint (obj) {
    return (obj && obj[POINT_IDENTIFIER_PROPERTY]) === true
  }
  