/**
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* Cesium - https://github.com/AnalyticalGraphicsInc/cesium
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*
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* Copyright 2011-2017 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
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*/
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define(['exports', './when-8d13db60'], function (exports, when) { 'use strict';
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/**
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* Constructs an exception object that is thrown due to a developer error, e.g., invalid argument,
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* argument out of range, etc. This exception should only be thrown during development;
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* it usually indicates a bug in the calling code. This exception should never be
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* caught; instead the calling code should strive not to generate it.
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* <br /><br />
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* On the other hand, a {@link RuntimeError} indicates an exception that may
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* be thrown at runtime, e.g., out of memory, that the calling code should be prepared
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* to catch.
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*
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* @alias DeveloperError
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* @constructor
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* @extends Error
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*
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* @param {String} [message] The error message for this exception.
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*
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* @see RuntimeError
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*/
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function DeveloperError(message) {
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/**
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* 'DeveloperError' indicating that this exception was thrown due to a developer error.
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* @type {String}
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* @readonly
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*/
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this.name = 'DeveloperError';
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/**
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* The explanation for why this exception was thrown.
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* @type {String}
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* @readonly
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*/
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this.message = message;
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//Browsers such as IE don't have a stack property until you actually throw the error.
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var stack;
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try {
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throw new Error();
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} catch (e) {
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stack = e.stack;
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}
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/**
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* The stack trace of this exception, if available.
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* @type {String}
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* @readonly
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*/
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this.stack = stack;
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}
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if (when.defined(Object.create)) {
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DeveloperError.prototype = Object.create(Error.prototype);
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DeveloperError.prototype.constructor = DeveloperError;
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}
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DeveloperError.prototype.toString = function() {
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var str = this.name + ': ' + this.message;
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if (when.defined(this.stack)) {
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str += '\n' + this.stack.toString();
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}
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return str;
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};
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/**
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* @private
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*/
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DeveloperError.throwInstantiationError = function() {
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throw new DeveloperError('This function defines an interface and should not be called directly.');
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};
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/**
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* Contains functions for checking that supplied arguments are of a specified type
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* or meet specified conditions
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* @private
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*/
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var Check = {};
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/**
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* Contains type checking functions, all using the typeof operator
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*/
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Check.typeOf = {};
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function getUndefinedErrorMessage(name) {
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return name + ' is required, actual value was undefined';
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}
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function getFailedTypeErrorMessage(actual, expected, name) {
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return 'Expected ' + name + ' to be typeof ' + expected + ', actual typeof was ' + actual;
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}
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/**
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* Throws if test is not defined
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value that is to be checked
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* @exception {DeveloperError} test must be defined
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*/
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Check.defined = function (name, test) {
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if (!when.defined(test)) {
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throw new DeveloperError(getUndefinedErrorMessage(name));
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}
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};
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/**
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* Throws if test is not typeof 'function'
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @exception {DeveloperError} test must be typeof 'function'
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*/
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Check.typeOf.func = function (name, test) {
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if (typeof test !== 'function') {
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throw new DeveloperError(getFailedTypeErrorMessage(typeof test, 'function', name));
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}
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};
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/**
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* Throws if test is not typeof 'string'
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @exception {DeveloperError} test must be typeof 'string'
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*/
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Check.typeOf.string = function (name, test) {
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if (typeof test !== 'string') {
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throw new DeveloperError(getFailedTypeErrorMessage(typeof test, 'string', name));
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}
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};
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/**
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* Throws if test is not typeof 'number'
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @exception {DeveloperError} test must be typeof 'number'
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*/
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Check.typeOf.number = function (name, test) {
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if (typeof test !== 'number') {
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throw new DeveloperError(getFailedTypeErrorMessage(typeof test, 'number', name));
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}
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};
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/**
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* Throws if test is not typeof 'number' and less than limit
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @param {Number} limit The limit value to compare against
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* @exception {DeveloperError} test must be typeof 'number' and less than limit
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*/
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Check.typeOf.number.lessThan = function (name, test, limit) {
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Check.typeOf.number(name, test);
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if (test >= limit) {
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throw new DeveloperError('Expected ' + name + ' to be less than ' + limit + ', actual value was ' + test);
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}
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};
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/**
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* Throws if test is not typeof 'number' and less than or equal to limit
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @param {Number} limit The limit value to compare against
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* @exception {DeveloperError} test must be typeof 'number' and less than or equal to limit
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*/
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Check.typeOf.number.lessThanOrEquals = function (name, test, limit) {
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Check.typeOf.number(name, test);
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if (test > limit) {
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throw new DeveloperError('Expected ' + name + ' to be less than or equal to ' + limit + ', actual value was ' + test);
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}
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};
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/**
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* Throws if test is not typeof 'number' and greater than limit
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @param {Number} limit The limit value to compare against
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* @exception {DeveloperError} test must be typeof 'number' and greater than limit
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*/
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Check.typeOf.number.greaterThan = function (name, test, limit) {
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Check.typeOf.number(name, test);
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if (test <= limit) {
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throw new DeveloperError('Expected ' + name + ' to be greater than ' + limit + ', actual value was ' + test);
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}
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};
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/**
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* Throws if test is not typeof 'number' and greater than or equal to limit
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @param {Number} limit The limit value to compare against
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* @exception {DeveloperError} test must be typeof 'number' and greater than or equal to limit
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*/
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Check.typeOf.number.greaterThanOrEquals = function (name, test, limit) {
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Check.typeOf.number(name, test);
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if (test < limit) {
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throw new DeveloperError('Expected ' + name + ' to be greater than or equal to' + limit + ', actual value was ' + test);
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}
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};
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/**
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* Throws if test is not typeof 'object'
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @exception {DeveloperError} test must be typeof 'object'
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*/
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Check.typeOf.object = function (name, test) {
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if (typeof test !== 'object') {
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throw new DeveloperError(getFailedTypeErrorMessage(typeof test, 'object', name));
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}
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};
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/**
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* Throws if test is not typeof 'boolean'
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*
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* @param {String} name The name of the variable being tested
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* @param {*} test The value to test
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* @exception {DeveloperError} test must be typeof 'boolean'
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*/
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Check.typeOf.bool = function (name, test) {
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if (typeof test !== 'boolean') {
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throw new DeveloperError(getFailedTypeErrorMessage(typeof test, 'boolean', name));
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}
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};
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/**
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* Throws if test1 and test2 is not typeof 'number' and not equal in value
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*
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* @param {String} name1 The name of the first variable being tested
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* @param {String} name2 The name of the second variable being tested against
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* @param {*} test1 The value to test
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* @param {*} test2 The value to test against
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* @exception {DeveloperError} test1 and test2 should be type of 'number' and be equal in value
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*/
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Check.typeOf.number.equals = function (name1, name2, test1, test2) {
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Check.typeOf.number(name1, test1);
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Check.typeOf.number(name2, test2);
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if (test1 !== test2) {
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throw new DeveloperError(name1 + ' must be equal to ' + name2 + ', the actual values are ' + test1 + ' and ' + test2);
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}
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};
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exports.Check = Check;
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exports.DeveloperError = DeveloperError;
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});
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