/* This file is automatically rebuilt by the Cesium build process. */
define(['exports', './when-f31b6bd1'], function (exports, when) { 'use strict';

  /**
   * Constructs an exception object that is thrown due to a developer error, e.g., invalid argument,
   * argument out of range, etc.  This exception should only be thrown during development;
   * it usually indicates a bug in the calling code.  This exception should never be
   * caught; instead the calling code should strive not to generate it.
   * <br /><br />
   * On the other hand, a {@link RuntimeError} indicates an exception that may
   * be thrown at runtime, e.g., out of memory, that the calling code should be prepared
   * to catch.
   *
   * @alias DeveloperError
   * @constructor
   * @extends Error
   *
   * @param {String} [message] The error message for this exception.
   *
   * @see RuntimeError
   */
  function DeveloperError(message) {
    /**
     * 'DeveloperError' indicating that this exception was thrown due to a developer error.
     * @type {String}
     * @readonly
     */
    this.name = "DeveloperError";

    /**
     * The explanation for why this exception was thrown.
     * @type {String}
     * @readonly
     */
    this.message = message;

    //Browsers such as IE don't have a stack property until you actually throw the error.
    var stack;
    try {
      throw new Error();
    } catch (e) {
      stack = e.stack;
    }

    /**
     * The stack trace of this exception, if available.
     * @type {String}
     * @readonly
     */
    this.stack = stack;
  }

  if (when.defined(Object.create)) {
    DeveloperError.prototype = Object.create(Error.prototype);
    DeveloperError.prototype.constructor = DeveloperError;
  }

  DeveloperError.prototype.toString = function () {
    var str = this.name + ": " + this.message;

    if (when.defined(this.stack)) {
      str += "\n" + this.stack.toString();
    }

    return str;
  };

  /**
   * @private
   */
  DeveloperError.throwInstantiationError = function () {
    throw new DeveloperError(
      "This function defines an interface and should not be called directly."
    );
  };

  /**
   * Contains functions for checking that supplied arguments are of a specified type
   * or meet specified conditions
   * @private
   */
  var Check = {};

  /**
   * Contains type checking functions, all using the typeof operator
   */
  Check.typeOf = {};

  function getUndefinedErrorMessage(name) {
    return name + " is required, actual value was undefined";
  }

  function getFailedTypeErrorMessage(actual, expected, name) {
    return (
      "Expected " +
      name +
      " to be typeof " +
      expected +
      ", actual typeof was " +
      actual
    );
  }

  /**
   * Throws if test is not defined
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value that is to be checked
   * @exception {DeveloperError} test must be defined
   */
  Check.defined = function (name, test) {
    if (!when.defined(test)) {
      throw new DeveloperError(getUndefinedErrorMessage(name));
    }
  };

  /**
   * Throws if test is not typeof 'function'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'function'
   */
  Check.typeOf.func = function (name, test) {
    if (typeof test !== "function") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "function", name)
      );
    }
  };

  /**
   * Throws if test is not typeof 'string'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'string'
   */
  Check.typeOf.string = function (name, test) {
    if (typeof test !== "string") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "string", name)
      );
    }
  };

  /**
   * Throws if test is not typeof 'number'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'number'
   */
  Check.typeOf.number = function (name, test) {
    if (typeof test !== "number") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "number", name)
      );
    }
  };

  /**
   * Throws if test is not typeof 'number' and less than limit
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @param {Number} limit The limit value to compare against
   * @exception {DeveloperError} test must be typeof 'number' and less than limit
   */
  Check.typeOf.number.lessThan = function (name, test, limit) {
    Check.typeOf.number(name, test);
    if (test >= limit) {
      throw new DeveloperError(
        "Expected " +
          name +
          " to be less than " +
          limit +
          ", actual value was " +
          test
      );
    }
  };

  /**
   * Throws if test is not typeof 'number' and less than or equal to limit
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @param {Number} limit The limit value to compare against
   * @exception {DeveloperError} test must be typeof 'number' and less than or equal to limit
   */
  Check.typeOf.number.lessThanOrEquals = function (name, test, limit) {
    Check.typeOf.number(name, test);
    if (test > limit) {
      throw new DeveloperError(
        "Expected " +
          name +
          " to be less than or equal to " +
          limit +
          ", actual value was " +
          test
      );
    }
  };

  /**
   * Throws if test is not typeof 'number' and greater than limit
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @param {Number} limit The limit value to compare against
   * @exception {DeveloperError} test must be typeof 'number' and greater than limit
   */
  Check.typeOf.number.greaterThan = function (name, test, limit) {
    Check.typeOf.number(name, test);
    if (test <= limit) {
      throw new DeveloperError(
        "Expected " +
          name +
          " to be greater than " +
          limit +
          ", actual value was " +
          test
      );
    }
  };

  /**
   * Throws if test is not typeof 'number' and greater than or equal to limit
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @param {Number} limit The limit value to compare against
   * @exception {DeveloperError} test must be typeof 'number' and greater than or equal to limit
   */
  Check.typeOf.number.greaterThanOrEquals = function (name, test, limit) {
    Check.typeOf.number(name, test);
    if (test < limit) {
      throw new DeveloperError(
        "Expected " +
          name +
          " to be greater than or equal to " +
          limit +
          ", actual value was " +
          test
      );
    }
  };

  /**
   * Throws if test is not typeof 'object'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'object'
   */
  Check.typeOf.object = function (name, test) {
    if (typeof test !== "object") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "object", name)
      );
    }
  };

  /**
   * Throws if test is not typeof 'boolean'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'boolean'
   */
  Check.typeOf.bool = function (name, test) {
    if (typeof test !== "boolean") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "boolean", name)
      );
    }
  };

  /**
   * Throws if test is not typeof 'bigint'
   *
   * @param {String} name The name of the variable being tested
   * @param {*} test The value to test
   * @exception {DeveloperError} test must be typeof 'bigint'
   */
  Check.typeOf.bigint = function (name, test) {
    if (typeof test !== "bigint") {
      throw new DeveloperError(
        getFailedTypeErrorMessage(typeof test, "bigint", name)
      );
    }
  };

  /**
   * Throws if test1 and test2 is not typeof 'number' and not equal in value
   *
   * @param {String} name1 The name of the first variable being tested
   * @param {String} name2 The name of the second variable being tested against
   * @param {*} test1 The value to test
   * @param {*} test2 The value to test against
   * @exception {DeveloperError} test1 and test2 should be type of 'number' and be equal in value
   */
  Check.typeOf.number.equals = function (name1, name2, test1, test2) {
    Check.typeOf.number(name1, test1);
    Check.typeOf.number(name2, test2);
    if (test1 !== test2) {
      throw new DeveloperError(
        name1 +
          " must be equal to " +
          name2 +
          ", the actual values are " +
          test1 +
          " and " +
          test2
      );
    }
  };

  exports.Check = Check;
  exports.DeveloperError = DeveloperError;

});
