1/* 2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16function assertThrowError(actualValue, expected) { 17 let result = false; 18 let message = ''; 19 let err; 20 if (typeof actualValue !== 'function') { 21 throw new Error('actualValue is not a function'); 22 } 23 try { 24 actualValue(); 25 return { 26 pass: result, 27 message: ' An error is not thrown while it is expected!' 28 }; 29 } catch (e) { 30 err = e; 31 } 32 if (err instanceof Error) { 33 let type = typeof expected[0]; 34 if (type === 'function') { 35 result = err.constructor.name === expected[0].name; 36 message = 'expected throw failed , ' + err.constructor.name + ' is not ' + expected[0].name; 37 } else if (type === 'string') { 38 result = err.message.includes(expected[0]); 39 message = 'expected throw failed , ' + err.message + ' is not ' + expected[0]; 40 } 41 } 42 return { 43 pass: result, 44 message: message 45 }; 46} 47 48export default assertThrowError; 49