105 lines
2.4 KiB
JavaScript
105 lines
2.4 KiB
JavaScript
/**
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* Tests class getter/setter inheritance
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of 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 Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later 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 Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser 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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* @author Mike Gerwitz
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* @package test
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*/
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// don't perform these tests if getters/setters are unsupported
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if ( Object.prototype.__defineGetter__ === undefined )
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{
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return;
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}
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var common = require( './common' ),
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assert = require( 'assert' ),
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Class = common.require( 'class' ),
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foo_def = {},
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sub_foo_def = {}
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;
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// to prevent syntax errors in browsers that do not support getters/setters in
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// object notation
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foo_def.__defineGetter__( 'foo', function ()
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{
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return this._foo;
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} );
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foo_def.__defineSetter__( 'foo', function ( val )
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{
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this._foo = ''+( val );
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} );
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foo_def.__defineGetter__( 'bar', function ()
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{
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return 'durp';
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} );
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foo_def.__defineSetter__( 'bar', function ( val )
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{
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} );
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sub_foo_def.__defineGetter__( 'bar', function ()
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{
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return this.bar2;
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} );
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sub_foo_def.__defineSetter__( 'bar', function ( val )
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{
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this.bar2 = val;
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} );
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var Foo = Class.extend( foo_def ),
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SubFoo = Foo.extend( sub_foo_def );
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var foo = new Foo(),
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sub = new SubFoo(),
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val = 'val';
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// ensure we have our act together before continuing
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foo.foo = val;
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assert.equal(
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foo.foo,
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val,
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"Sanity check"
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);
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// foo should be inherited as-is (if this doesn't work, someone went out of
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// their way to break it, as it works by default!)
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sub.foo = val = 'val2';
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assert.equal(
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sub.foo,
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val,
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"Subtypes should inherit getter/setters"
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);
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sub.bar = val = 'val3';
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assert.equal(
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sub.bar,
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val,
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"Subtypes should be able to override getter/setters"
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);
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assert.equal(
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sub.bar2,
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val,
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"Subtypes should be able to override getter/setters (check 2)"
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);
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