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easejs/test/Class/ParentTest.js

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/**
* Tests class parent invocation
*
* Copyright (C) 2010, 2011, 2013 Mike Gerwitz
*
* 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/>.
*
* TODO: This should test the appropriate functionality directly, not
* through the class module.
*/
require( 'common' ).testCase(
{
setUp: function()
{
this.Sut = this.require( 'class' );
},
/**
* An overridden parent method should never be invoked without
* explicitly requesting such.
*/
'Subtype does not invoke overridden parent method by default':
function()
{
var called = false;
this.Sut( { 'virtual foo': function() { called = true; } } )
.extend( { 'override foo': function() {} } )
().foo();
this.assertOk( !called );
},
/**
* We provide a __super reference for invoking the parent method; all
* arguments should be forwarded.
*/
'Subtype can invoke parent method with arguments': function()
{
var args = null,
expected1 = "foobar",
expected2 = "baz";
this.Sut( { 'virtual foo': function( a, b ) { args = [ a, b ]; } } )
.extend( {
'override foo': function( a, b ) { this.__super( a, b ); }
} )
().foo( expected1, expected2 );
this.assertNotEqual( args, null );
this.assertEqual( args[ 0 ], expected1 );
this.assertEqual( args[ 1 ], expected2 );
},
} );