@theia/core/src/common/application-error.spec.ts

Theia is a cloud & desktop IDE framework implemented in TypeScript.

// *****************************************************************************
// Copyright (C) 2022 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
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import { ApplicationError } from './application-error';
import { expect } from 'chai';

describe('ApplicationError', () => {

    it('should not be able to use the same code twice', () => {
        const code = 12345;
        ApplicationError.declare(code, (message, data) => ({ message, data }));
        expect(() => ApplicationError.declare(code, (message, data) => ({ message, data }))).throw();
    });
});