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/**
* Tests factory for visibility object factory
*
* Copyright (C) 2011, 2012, 2013 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
require( 'common' ).testCase(
{
caseSetUp: function()
{
this.sut = this.require( 'VisibilityObjectFactoryFactory' );
this.VisibilityObjectFactory =
this.require( 'VisibilityObjectFactory' );
this.FallbackVisibilityObjectFactory =
this.require( 'FallbackVisibilityObjectFactory' );
this.util = this.require( 'util' );
},
/**
* By default, if supported by our environment, we should use the standard
* factory to provide proper visibility support.
*/
'Returns standard factory if not falling back': function()
{
// don't bother with the test if we don't support the standard visibility
// object
if ( this.util.definePropertyFallback() )
{
return;
}
this.assertOk(
( this.sut.fromEnvironment()
instanceof this.VisibilityObjectFactory ),
"Creates standard VisibilityObjectFactory if supported"
);
},
/**
* If not supported by our environment, we should be permitted to fall back to a
* working implementation that sacrifices visibility support.
*/
'Returns fallback factory if falling back': function()
{
var old = this.util.definePropertyFallback();
// force fallback
this.util.definePropertyFallback( true );
this.assertOk(
( this.sut.fromEnvironment()
instanceof this.FallbackVisibilityObjectFactory
),
"Creates fallback VisibilityObjectFactory if falling back"
);
// restore fallback
this.util.definePropertyFallback( old );
},
} );