40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
/**
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* Tests to ensure interfaces can only extend from interfaces
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*
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* Interface can extend from any object, so long as it only contains abstract
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* methods. However, the system checks for situations that don't make sense in
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* order to provide more meaningful error messages.
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Mike Gerwitz
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* @package test
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*/
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var common = require( './common' ),
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assert = require( 'assert' ),
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Class = common.require( 'class' );
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Interface = common.require( 'interface' );
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assert.throws( function()
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{
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Interface.extend( Class.extend(), {} );
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}, TypeError, "Interfaces cannot extend from classes" );
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