95 lines
3.2 KiB
JavaScript
95 lines
3.2 KiB
JavaScript
/**
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* Tests class builder visibility implementation
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*
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* See also: test-class-visibility.js
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*
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* Copyright (C) 2011, 2012, 2013 Mike Gerwitz
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*
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* This file is part of GNU 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 General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* 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 General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* 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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// XXX: get rid of this disgusting mess; we're mid-refactor and all these
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// dependencies should not be necessary for testing
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ClassBuilder = common.require( '/ClassBuilder' ),
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MethodWrapperFactory = common.require( '/MethodWrapperFactory' ),
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wrappers = common.require( '/MethodWrappers' ).standard
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;
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require( 'common' ).testCase(
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{
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setUp: function()
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{
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this.builder = ClassBuilder(
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this.require( '/MemberBuilder' )(
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MethodWrapperFactory( wrappers.wrapNew ),
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MethodWrapperFactory( wrappers.wrapOverride ),
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MethodWrapperFactory( wrappers.wrapProxy ),
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this.getMock( 'MemberBuilderValidator' )
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),
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this.require( '/VisibilityObjectFactoryFactory' ).fromEnvironment()
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);
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},
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/**
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* As discussed in GH#15, there's a bit of an issue when passing around
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* 'this' from within a method. For example, passing 'this' as an argument
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* or invoking a method with it as the context will effectively defeat
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* encapsulation. Unfortunately, there's really no way around that. Maybe a
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* more elegant solution will arise in the future. For now, not likely.
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*
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* We need to provide a means to reference the actual instance. __inst is
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* that solution.
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*/
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'Self property references instance rather than property object': function()
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{
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var result = null,
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ref = null,
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foo = this.builder.build( {
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'public __construct': function()
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{
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// rather than returning, assign to external var so that we can
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// rest assured that the return value wasn't manipulated
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result = this.__inst;
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ref = this;
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}
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} )();
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this.assertDeepEqual( result, foo,
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"this.__inst returns reference to actual instance"
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);
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// the property should be read-only
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if ( util.definePropertyFallback() === false )
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{
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assert.equal(
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Object.getOwnPropertyDescriptor( ref, '__inst' ).writable,
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false,
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"this.__inst is not writable"
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);
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}
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},
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} );
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