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node_modules/selenium-webdriver/lib/goog/labs/testing/assertthat.js
Maintainability
78.02
Lines of code
40
Difficulty
12.14
Estimated Errors
0.20
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// Copyright 2012 The Closure Library Authors. All Rights Reserved. // // 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. /** * @fileoverview Provides main functionality of assertThat. assertThat calls the * matcher's matches method to test if a matcher matches assertThat's arguments. */ goog.provide('goog.labs.testing.MatcherError'); goog.provide('goog.labs.testing.assertThat'); goog.require('goog.asserts'); goog.require('goog.debug.Error'); goog.require('goog.labs.testing.Matcher'); /** * Asserts that the actual value evaluated by the matcher is true. * * @param {*} actual The object to assert by the matcher. * @param {!goog.labs.testing.Matcher} matcher A matcher to verify values. * @param {string=} opt_reason Description of what is asserted. * */ goog.labs.testing.assertThat = function(actual, matcher, opt_reason) { if (!matcher.matches(actual)) { // Prefix the error description with a reason from the assert ? var prefix = opt_reason ? opt_reason + ': ' : ''; var desc = prefix + matcher.describe(actual); // some sort of failure here throw new goog.labs.testing.MatcherError(desc); } }; /** * Error thrown when a Matcher fails to match the input value. * @param {string=} opt_message The error message. * @constructor * @extends {goog.debug.Error} * @final */ goog.labs.testing.MatcherError = function(opt_message) { goog.labs.testing.MatcherError.base(this, 'constructor', opt_message); }; goog.inherits(goog.labs.testing.MatcherError, goog.debug.Error);