131 lines
3.4 KiB
JavaScript
131 lines
3.4 KiB
JavaScript
/**
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* Tests class naming
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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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Class = common.require( 'class' )
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;
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/**
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* Classes may be named by passing the name as the first argument to the module
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*/
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( function testClassAcceptsName()
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{
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assert.doesNotThrow( function()
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{
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var cls = Class( 'Foo', {} );
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assert.equal(
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Class.isClass( cls ),
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true,
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"Class defined with name is returned as a valid class"
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);
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}, Error, "Class accepts name" );
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// the second argument must be an object
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assert.throws( function()
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{
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Class( 'Foo', 'Bar' );
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}, TypeError, "Second argument to named class must be the definition" );
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} )();
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/**
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* By default, anonymous classes should just state that they are a class when
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* they are converted to a string
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*/
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( function testConvertingAnonymousClassToStringYieldsClassString()
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{
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// concrete
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assert.equal(
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Class( {} ).toString(),
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'[object Class]',
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"Converting anonymous class to string yields class string"
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);
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// abstract
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assert.equal(
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Class( { 'abstract foo': [] } ).toString(),
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'[object AbstractClass]',
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"Converting abstract anonymous class to string yields class string"
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);
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} )();
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/**
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* If the class is named, then the name should be presented when it is converted
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* to a string
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*/
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( function testConvertingNamedClassToStringYieldsClassStringContainingName()
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{
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var name = 'Foo';
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// concrete
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assert.equal(
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Class( name, {} ).toString(),
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'[object Class <' + name + '>]',
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"Converting named class to string yields string with name of class"
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);
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// abstract
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assert.equal(
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Class( name, { 'abstract foo': [] } ).toString(),
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'[object AbstractClass <' + name + '>]',
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"Converting abstract named class to string yields string with name " +
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"of class"
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);
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} )();
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/**
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* Class instances are displayed differently than uninstantiated classes.
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* Mainly, they output that they are an object, in addition to the class name.
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*/
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( function testConvertingClassInstanceToStringYieldsInstanceString()
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{
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var name = 'Foo',
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anon = Class( {} )(),
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named = Class( name, {} )()
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;
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// anonymous
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assert.equal(
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anon.toString(),
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'[object #<anonymous>]',
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"Converting anonymous class instance to string yields string " +
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"indiciating that the class is anonymous"
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);
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// named
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assert.equal(
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named.toString(),
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'[object #<' + name + '>]',
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"Converting named class instance to string yields string with name " +
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"of class"
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);
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} )();
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