120 lines
3.1 KiB
JavaScript
120 lines
3.1 KiB
JavaScript
/**
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* Tests class getter/setter inheritance
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*
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* Copyright (C) 2014 Free Software Foundation, Inc.
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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
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU 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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require( 'common' ).testCase(
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{
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caseSetUp: function()
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{
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this.Sut = this.require( 'class' );
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this.util = this.require( 'util' );
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},
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setUp: function()
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{
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// don't perform these tests if getters/setters are unsupported
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if ( this.util.definePropertyFallback() )
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{
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this.skip();
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}
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var foo_def = {},
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sub_foo_def = {};
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// to prevent syntax errors in environments that do not support
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// getters/setters in object notation
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Object.defineProperty( foo_def, 'foo', {
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get: function ()
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{
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return this._foo;
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},
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set: function ( val )
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{
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this._foo = ''+( val );
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},
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enumerable: true,
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} );
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Object.defineProperty( foo_def, 'virtual bar', {
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get: function ()
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{
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return 'durp';
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},
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set: function ( val )
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{
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},
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enumerable: true,
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} );
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Object.defineProperty( sub_foo_def, 'override bar', {
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get: function ()
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{
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return this.bar2;
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},
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set: function ( val )
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{
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this.bar2 = val;
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},
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enumerable: true,
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} );
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// this is important since the system may freeze the object, so we
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// must have declared it in advance
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foo_def.bar2 = '';
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var Foo = this.Sut.extend( foo_def ),
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SubFoo = Foo.extend( sub_foo_def );
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this.sub = new SubFoo();
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},
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/**
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* Getters/setters should be inherited from the prototype as-is (if this
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* doesn't work, someone went out of their way to break it, as it works
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* by default!)
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*/
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'Subtypes inherit getters/setters': function()
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{
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var val = 'foo';
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this.sub.foo = val;
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this.assertEqual( this.sub.foo, val );
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},
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/**
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* Just as methods can be overridden, so should getters/setters, which
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* act as methods do.
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*/
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'Subtypes should be able to override getters/setters': function()
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{
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var val = 'bar';
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this.sub.bar = val;
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this.assertEqual( this.sub.bar, val );
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this.assertEqual( this.sub.bar2, val );
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},
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} );
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