152 lines
3.9 KiB
JavaScript
152 lines
3.9 KiB
JavaScript
/**
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* Tests property builder
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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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var common = require( './common' ),
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assert = require( 'assert' ),
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mb_common = require( __dirname + '/inc-member_builder-common' ),
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builder = common.require( 'member_builder' ),
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util = common.require( 'util' )
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;
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mb_common.value = { baj: 'baz' };
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mb_common.buildMember = builder.buildProp
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// do assertions common to all member builders
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mb_common.assertCommon();
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( function testCannotOverrideMethodWithProperty()
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{
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// add a method
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mb_common.buildMember = builder.buildMethod;
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mb_common.value = function() {};
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mb_common.buildMemberQuick();
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assert.throws( function()
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{
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// reset
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mb_common.buildMember = builder.buildProp;
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// attempt to override with property
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mb_common.value = 'foo';
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mb_common.buildMemberQuick( {}, true );
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}, TypeError, "Cannot override method with property" );
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} )();
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/**
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* Abstract properties do not make sense. Simple as that.
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*/
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( function testCannotDeclareAbstractProperty()
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{
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assert.throws( function()
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{
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mb_common.buildMemberQuick( { 'abstract': true } );
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}, TypeError, "Cannot declare abstract property" );
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} )();
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/**
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* While getters act as properties, it doesn't make sense to override
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* getters/setters with properties because they are fundamentally different.
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*/
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( function testCannotOverrideGetters()
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{
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if ( util.definePropertyFallback() )
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{
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return;
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}
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mb_common.members[ 'public' ] = {};
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Object.defineProperty( mb_common.members[ 'public' ], mb_common.name, {
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get: function() {},
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} );
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try
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{
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mb_common.value = 'foo';
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mb_common.buildMemberQuick( {}, true );
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}
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catch ( e )
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{
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assert.ok( e.message.search( mb_common.name ) !== -1,
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"Property override getter failure should contain property name"
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);
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// ensure we have the correct error
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assert.ok( e.message.search( 'getter' ) !== -1,
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"Proper error is thrown for getter override failure"
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);
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return;
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}
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assert.fail(
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"Should not be permitted to override getters with properties"
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);
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} )();
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/**
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* While setters act as properties, it doesn't make sense to override
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* getters/setters with properties because they are fundamentally different.
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*/
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( function testCannotOverrideSetters()
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{
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if ( util.definePropertyFallback() )
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{
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return;
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}
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mb_common.members[ 'public' ] = {};
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Object.defineProperty( mb_common.members[ 'public' ], mb_common.name, {
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set: function() {},
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} );
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try
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{
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mb_common.value = 'foo';
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mb_common.buildMemberQuick( {}, true );
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}
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catch ( e )
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{
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assert.ok( e.message.search( mb_common.name ) !== -1,
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"Property override setter failure should contain method name"
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);
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// ensure we have the correct error
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assert.ok( e.message.search( 'setter' ) !== -1,
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"Proper error is thrown for setter override failure"
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);
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return;
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}
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assert.fail(
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"Should not be permitted to override setters with properties"
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);
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} )();
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