78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
/**
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* Tests factory for visibility object factory
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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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*/
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var common = require( './common' ),
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assert = require( 'assert' ),
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util = common.require( 'util' ),
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sut = common.require( 'VisibilityObjectFactoryFactory' ),
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VisibilityObjectFactory = common.require( 'VisibilityObjectFactory' ),
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FallbackVisibilityObjectFactory =
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common.require( 'FallbackVisibilityObjectFactory' )
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;
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/**
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* By default, if supported by our environment, we should use the standard
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* factory to provide proper visibility support.
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*/
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( function testReturnsStandardIfNotFallingBack()
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{
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// don't bother with the test if we don't support the standard visibility
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// object
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if ( util.definePropertyFallback() )
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{
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return;
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}
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assert.ok(
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( sut.fromEnvironment() instanceof VisibilityObjectFactory ),
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"Creates standard VisibilityObjectFactory if supported"
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);
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} )();
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/**
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* If not supported by our environment, we should be permitted to fall back to a
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* working implementation that sacrifices visibility support.
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*/
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( function testReturnsFallbackFactoryIfFallingBack()
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{
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var old = util.definePropertyFallback();
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// force fallback
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util.definePropertyFallback( true );
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assert.ok(
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( sut.fromEnvironment() instanceof FallbackVisibilityObjectFactory ),
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"Creates fallback VisibilityObjectFactory if falling back"
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);
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// restore fallback
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util.definePropertyFallback( old );
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} )();
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