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easejs/test/MemberBuilder/MethodTest.js

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/**
* Tests method builder
*
* Copyright (C) 2010 Mike Gerwitz
*
* This file is part of ease.js.
*
* ease.js is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Mike Gerwitz
* @package test
*/
var common = require( 'common' ),
assert = require( 'assert' ),
mb_common = require( __dirname + '/../inc-member_builder-common' ),
util = common.require( 'util' ),
// stub factories used for testing
stubFactory = common.require( '/MethodWrapperFactory' )(
function( func ) { return func; }
),
builder = common.require( '/MemberBuilder' )( stubFactory, stubFactory )
;
mb_common.funcVal = 'foobar';
mb_common.value = function() { return mb_common.funcVal; };
// must wrap to call in proper context
var builder_method = mb_common.buildMember = function()
{
builder.buildMethod.apply( builder, arguments );
}
// do assertions common to all member builders
mb_common.assertCommon();
/**
* Unlike languages like C++, ease.js does not automatically mark overridden
* methods as virtual. C# and some other languages offer a 'seal' keyword or
* similar in order to make overridden methods non-virtual. In that sense,
* ease.js will "seal" overrides by default.
*/
( function testOverriddenMethodsAreNotVirtualByDefault()
{
// build a virtual method
mb_common.value = function() {};
mb_common.buildMemberQuick( { 'virtual': true } );
// override it (non-virtual)
mb_common.buildMemberQuick( { 'override': true }, true );
// attempt to override again (should fail)
try
{
mb_common.buildMemberQuick( {}, true );
}
catch ( e )
{
return;
}
assert.fail( "Overrides should not be declared as virtual by default" );
} )();